{"id":1857,"date":"2023-04-27T21:29:56","date_gmt":"2023-04-27T12:29:56","guid":{"rendered":"https:\/\/edu.ujhb.org\/?p=1857"},"modified":"2023-04-27T21:29:56","modified_gmt":"2023-04-27T12:29:56","slug":"pandas%e5%85%a5%e9%97%a8%ef%bc%88%e4%b8%ad%e6%96%87%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/edu.ujhb.org\/?p=1857","title":{"rendered":"Pandas\u5165\u95e8\uff08\u4e2d\u6587\u7248\uff09"},"content":{"rendered":"\n<p>\u6211\u662f\u8981\u505aIT\u6559\u7a0b\u7684\u89c6\u9891\uff0c\u4f60\u80fd\u5426\u6839\u636e\u7f51\u7ad9\u7684\u5185\u5bb9\uff0c\u4e3a\u6211\u5b89\u6392\u89c6\u9891\u6559\u7a0b\u7684\u6587\u5b57\u5185\u5bb9\u3002\u6211\u4eec\u5148\u4ecePandas\u6559\u7a0b\u5f00\u59cb\uff0c\u4f60\u5148\u4e3a\u6211\u5217\u51fa\u8981\u8bb2\u89e3\u7684\u5185\u5bb9\u4e00\u89c8\u3002<\/p>\n\n\n\n<p>\u5f53\u7136\u53ef\u4ee5\uff01\u4ee5\u4e0b\u662f\u57fa\u4e8ePandas\u6559\u7a0b\u7684\u4e00\u4e9b\u5efa\u8bae\u6027\u89c6\u9891\u6559\u7a0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Pandas\u7b80\u4ecb\u4e0e\u5b89\u88c5\n<ul class=\"wp-block-list\">\n<li>Pandas\u5e93\u7684\u6982\u8ff0<\/li>\n\n\n\n<li>\u4e3a\u4ec0\u4e48\u4f7f\u7528Pandas<\/li>\n\n\n\n<li>\u5b89\u88c5Pandas\u5e93<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Pandas\u6570\u636e\u7ed3\u6784\n<ul class=\"wp-block-list\">\n<li>Series\uff08\u4e00\u7ef4\u6570\u7ec4\uff09<\/li>\n\n\n\n<li>DataFrame\uff08\u4e8c\u7ef4\u6570\u7ec4\uff09<\/li>\n\n\n\n<li>\u57fa\u672c\u6570\u636e\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u5bfc\u5165\u4e0e\u5bfc\u51fa\n<ul class=\"wp-block-list\">\n<li>\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/li>\n\n\n\n<li>\u4eceExcel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/li>\n\n\n\n<li>\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/li>\n\n\n\n<li>\u5c06\u6570\u636e\u5199\u5165Excel\u6587\u4ef6<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u9009\u62e9\u4e0e\u7d22\u5f15\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528\u6807\u7b7e\u9009\u62e9\u6570\u636e<\/li>\n\n\n\n<li>\u4f7f\u7528\u4f4d\u7f6e\u9009\u62e9\u6570\u636e<\/li>\n\n\n\n<li>\u4f7f\u7528\u6761\u4ef6\u9009\u62e9\u6570\u636e<\/li>\n\n\n\n<li>\u5207\u7247\u64cd\u4f5c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u6e05\u6d17\n<ul class=\"wp-block-list\">\n<li>\u7f3a\u5931\u503c\u5904\u7406<\/li>\n\n\n\n<li>\u91cd\u590d\u503c\u5904\u7406<\/li>\n\n\n\n<li>\u5f02\u5e38\u503c\u5904\u7406<\/li>\n\n\n\n<li>\u5b57\u7b26\u4e32\u5904\u7406<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u53d8\u5f62\u4e0e\u5408\u5e76\n<ul class=\"wp-block-list\">\n<li>\u5217\u64cd\u4f5c\uff08\u589e\u52a0\/\u5220\u9664\/\u91cd\u547d\u540d\uff09<\/li>\n\n\n\n<li>\u884c\u64cd\u4f5c\uff08\u589e\u52a0\/\u5220\u9664\/\u91cd\u6392\uff09<\/li>\n\n\n\n<li>\u6570\u636e\u900f\u89c6\u8868<\/li>\n\n\n\n<li>\u6570\u636e\u5206\u7ec4\uff08Groupby\uff09<\/li>\n\n\n\n<li>\u6570\u636e\u5408\u5e76\uff08Merge\u3001Join\u3001Concat\uff09<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u7edf\u8ba1\u4e0e\u5206\u6790\n<ul class=\"wp-block-list\">\n<li>\u63cf\u8ff0\u6027\u7edf\u8ba1<\/li>\n\n\n\n<li>\u6392\u5e8f<\/li>\n\n\n\n<li>\u76f8\u5173\u6027\u5206\u6790<\/li>\n\n\n\n<li>\u7a97\u53e3\u51fd\u6570<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6570\u636e\u53ef\u89c6\u5316\n<ul class=\"wp-block-list\">\n<li>\u4f7f\u7528Pandas\u5185\u7f6e\u7ed8\u56fe\u529f\u80fd<\/li>\n\n\n\n<li>\u96c6\u6210Matplotlib\u8fdb\u884c\u9ad8\u7ea7\u7ed8\u56fe<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Pandas\u5b9e\u6218\u6848\u4f8b\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u8bb2\u89e3<\/li>\n\n\n\n<li>\u6f14\u793a\u5b8c\u6574\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u6d41\u7a0b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Pandas\u8fdb\u9636\u6280\u5de7\u4e0e\u6700\u4f73\u5b9e\u8df5<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pandas\u6027\u80fd\u4f18\u5316<\/li>\n\n\n\n<li>\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/li>\n\n\n\n<li>Pandas\u7684\u53d1\u5c55\u4e0e\u672a\u6765<\/li>\n<\/ul>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u6839\u636e\u81ea\u5df1\u7684\u9700\u6c42\u548c\u65f6\u95f4\u5b89\u6392\uff0c\u5bf9\u8fd9\u4e9b\u5185\u5bb9\u8fdb\u884c\u8c03\u6574\u548c\u4f18\u5316\u3002\u5e0c\u671b\u8fd9\u4e9b\u5185\u5bb9\u80fd\u5e2e\u52a9\u60a8\u5236\u4f5c\u51fa\u9ad8\u8d28\u91cf\u7684IT\u6559\u7a0b\u89c6\u9891\uff01<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caPandas\u5e93\u7684\u6982\u8ff0<\/p>\n\n\n\n<p>The previous model used in this conversation is unavailable. We&#8217;ve switched you to the latest default model<\/p>\n\n\n\n<p>Pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684Python\u5e93\uff0c\u7528\u4e8e\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u5730\u5904\u7406\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5305\u62ec\u7ed3\u6784\u5316\u3001\u534a\u7ed3\u6784\u5316\u548c\u975e\u7ed3\u6784\u5316\u6570\u636e\u3002Pandas\u7684\u6570\u636e\u7ed3\u6784\u88ab\u79f0\u4e3a\u201cDataFrame\u201d\u548c\u201cSeries\u201d\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Series\uff1a\u4e00\u7ef4\u6570\u7ec4\uff0c\u7c7b\u4f3c\u4e8ePython\u4e2d\u7684\u5217\u8868\u6216Numpy\u4e2d\u7684\u6570\u7ec4\u3002\u6bcf\u4e2aSeries\u5bf9\u8c61\u5305\u542b\u4e00\u4e2a\u6570\u636e\u5e8f\u5217\u548c\u4e00\u4e2a\u4e0e\u4e4b\u76f8\u5173\u7684\u7d22\u5f15\u5e8f\u5217\u3002<\/li>\n\n\n\n<li>DataFrame\uff1a\u4e8c\u7ef4\u8868\u683c\u6570\u636e\u7ed3\u6784\uff0c\u5305\u542b\u591a\u4e2a\u884c\u548c\u5217\uff0c\u6bcf\u4e2a\u5217\u53ef\u4ee5\u662f\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\uff08\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u548c\u5e03\u5c14\u503c\uff09\u3002DataFrame\u53ef\u4ee5\u4ece\u5404\u79cd\u4e0d\u540c\u7684\u6570\u636e\u6e90\u521b\u5efa\uff0c\u5982CSV\u6587\u4ef6\u3001Excel\u6587\u4ef6\u3001SQL\u6570\u636e\u5e93\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<p>Pandas\u5177\u6709\u8bb8\u591a\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u8f7b\u677e\u5730\u5b8c\u6210\u6570\u636e\u6e05\u7406\u3001\u6570\u636e\u8f6c\u6362\u3001\u6570\u636e\u5206\u6790\u548c\u6570\u636e\u53ef\u89c6\u5316\u4efb\u52a1\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6570\u636e\u9009\u62e9\u548c\u5207\u7247\uff1a\u901a\u8fc7\u7d22\u5f15\u6216\u6807\u7b7e\u9009\u62e9\u7279\u5b9a\u7684\u884c\u3001\u5217\u6216\u5355\u5143\u683c\u3002<\/li>\n\n\n\n<li>\u7f3a\u5931\u503c\u5904\u7406\uff1a\u5904\u7406\u7f3a\u5931\u6216NaN\u503c\uff0c\u5305\u62ec\u586b\u5145\u3001\u5220\u9664\u6216\u63d2\u503c\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u8f6c\u6362\uff1a\u8f6c\u6362\u6570\u636e\u7c7b\u578b\u3001\u5220\u9664\u91cd\u590d\u9879\u3001\u6392\u5e8f\u548c\u5206\u7ec4\u7b49\u3002<\/li>\n\n\n\n<li>\u7edf\u8ba1\u5206\u6790\uff1a\u5305\u62ec\u63cf\u8ff0\u6027\u7edf\u8ba1\u3001\u805a\u5408\u7edf\u8ba1\u3001\u76f8\u5173\u6027\u5206\u6790\u548c\u5047\u8bbe\u68c0\u9a8c\u7b49\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u53ef\u89c6\u5316\uff1a\u4f7f\u7528\u5185\u7f6e\u7684\u53ef\u89c6\u5316\u5de5\u5177\u6216\u4e0eMatplotlib\u7b49\u5176\u4ed6\u5e93\u7ed3\u5408\u4f7f\u7528\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u662f\u4e00\u79cd\u529f\u80fd\u5f3a\u5927\u4e14\u6613\u4e8e\u4f7f\u7528\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u8ba9\u6570\u636e\u5206\u6790\u548c\u6570\u636e\u5904\u7406\u4efb\u52a1\u53d8\u5f97\u66f4\u52a0\u9ad8\u6548\u548c\u6709\u8da3\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4e3a\u4ec0\u4e48\u4f7f\u7528Pandas<\/p>\n\n\n\n<p>\u4f7f\u7528Pandas\u7684\u539f\u56e0\u6709\u4ee5\u4e0b\u51e0\u4e2a\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u65b9\u4fbf\u7684\u6570\u636e\u5904\u7406\uff1aPandas\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u4e14\u7075\u6d3b\u7684\u6570\u636e\u7ed3\u6784\uff0c\u5982DataFrame\u548cSeries\uff0c\u53ef\u7528\u4e8e\u5904\u7406\u5404\u79cd\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u4f8b\u5982\u8868\u683c\u6570\u636e\u3001\u65f6\u95f4\u5e8f\u5217\u6570\u636e\u548c\u6df7\u5408\u6570\u636e\u7b49\u3002\u8fd9\u4e9b\u6570\u636e\u7ed3\u6784\u548c\u65b9\u6cd5\u4f7f\u5f97\u6570\u636e\u7684\u6e05\u6d17\u3001\u8f6c\u6362\u548c\u5206\u6790\u53d8\u5f97\u66f4\u52a0\u7b80\u5355\u3001\u5feb\u901f\u548c\u9ad8\u6548\u3002<\/li>\n\n\n\n<li>\u5feb\u901f\u6570\u636e\u5206\u6790\uff1aPandas\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u7edf\u8ba1\u548c\u5206\u6790\u529f\u80fd\uff0c\u5305\u62ec\u805a\u5408\u3001\u900f\u89c6\u3001\u7edf\u8ba1\u7b49\u7b49\uff0c\u53ef\u4ee5\u5728\u6570\u636e\u96c6\u4e2d\u5feb\u901f\u67e5\u627e\u7279\u5b9a\u7684\u6570\u636e\uff0c\u5e76\u53ef\u89c6\u5316\u5206\u6790\u7ed3\u679c\u3002\u8fd9\u4e9b\u5206\u6790\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u5730\u7406\u89e3\u6570\u636e\uff0c\u53d1\u73b0\u9690\u85cf\u5728\u6570\u636e\u4e2d\u7684\u6a21\u5f0f\u3001\u8d8b\u52bf\u548c\u5f02\u5e38\u3002<\/li>\n\n\n\n<li>\u7075\u6d3b\u6027\uff1aPandas\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u6570\u636e\u9009\u62e9\u3001\u5207\u7247\u548c\u8fc7\u6ee4\u65b9\u6cd5\uff0c\u53ef\u5e2e\u52a9\u7528\u6237\u5feb\u901f\u5730\u5b9a\u4f4d\u5230\u9700\u8981\u7684\u6570\u636e\uff0c\u8fdb\u884c\u7279\u5b9a\u7684\u5904\u7406\u3002\u5b83\u8fd8\u652f\u6301\u5404\u79cd\u4e0d\u540c\u7684\u6570\u636e\u6e90\uff0c\u5982CSV\u3001Excel\u3001SQL\u3001JSON\u3001HTML\u7b49\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u8f7b\u677e\u5730\u4ece\u591a\u4e2a\u6570\u636e\u6e90\u4e2d\u83b7\u53d6\u6570\u636e\u3002<\/li>\n\n\n\n<li>\u6613\u4e8e\u5b66\u4e60\u548c\u4f7f\u7528\uff1aPandas\u662fPython\u8bed\u8a00\u4e2d\u6700\u53d7\u6b22\u8fce\u548c\u5e7f\u6cdb\u4f7f\u7528\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u5e93\u4e4b\u4e00\uff0c\u5b83\u6709\u7740\u5f3a\u5927\u7684\u793e\u533a\u652f\u6301\u548c\u5e7f\u6cdb\u7684\u6587\u6863\u8d44\u6e90\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u5feb\u5730\u638c\u63e1\u548c\u4f7f\u7528Pandas\u3002<\/li>\n\n\n\n<li>\u5f00\u653e\u6e90\u4ee3\u7801\uff1aPandas\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u8f6f\u4ef6\u5e93\uff0c\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528\u3001\u4fee\u6539\u548c\u5171\u4eab\u5b83\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u5728\u4e0d\u65ad\u53d1\u5c55\u7684\u751f\u6001\u7cfb\u7edf\u4e2d\u83b7\u53d6\u66f4\u591a\u7684\u529f\u80fd\u548c\u589e\u5f3a\u7684\u6027\u80fd\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u662f\u4e00\u4e2a\u5f3a\u5927\u800c\u7075\u6d3b\u7684Python\u5e93\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u66f4\u8f7b\u677e\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002\u5b83\u63d0\u4f9b\u4e86\u6613\u4e8e\u4f7f\u7528\u7684\u6570\u636e\u7ed3\u6784\u548c\u65b9\u6cd5\uff0c\u4ee5\u53ca\u4e30\u5bcc\u7684\u7edf\u8ba1\u548c\u5206\u6790\u5de5\u5177\uff0c\u4f7f\u5f97\u7528\u6237\u53ef\u4ee5\u66f4\u5feb\u5730\u63a2\u7d22\u548c\u7406\u89e3\u6570\u636e\uff0c\u53d1\u73b0\u6570\u636e\u4e2d\u7684\u6a21\u5f0f\u548c\u8d8b\u52bf\uff0c\u4ece\u800c\u505a\u51fa\u66f4\u597d\u7684\u51b3\u7b56\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5b89\u88c5Pandas\u5e93<\/p>\n\n\n\n<p>\u5b89\u88c5Pandas\u5e93\u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Python\u73af\u5883\u3002\u5982\u679c\u60a8\u8fd8\u6ca1\u6709\u5b89\u88c5Python\uff0c\u53ef\u4ee5\u4ece\u5b98\u65b9\u7f51\u7ad9<a href=\"https:\/\/www.python.org\/downloads\/\">https:\/\/www.python.org\/downloads\/<\/a> \u4e0b\u8f7d\u5e76\u5b89\u88c5\u6700\u65b0\u7684Python\u7248\u672c\u3002<\/li>\n\n\n\n<li>\u6253\u5f00\u7ec8\u7aef\u6216\u547d\u4ee4\u63d0\u793a\u7b26\uff0c\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u68c0\u67e5pip\u662f\u5426\u5df2\u5b89\u88c5\u5e76\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\uff1acssCopy code<code>pip install --upgrade pip<\/code><\/li>\n\n\n\n<li>\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5Pandas\u5e93\uff1aCopy code<code>pip install pandas<\/code><\/li>\n\n\n\n<li>\u5982\u679c\u60a8\u9700\u8981\u5b89\u88c5\u7279\u5b9a\u7248\u672c\u7684Pandas\u5e93\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1aCopy code<code>pip install pandas==\u7248\u672c\u53f7 <\/code>\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff0c\u5c06\u201c\u7248\u672c\u53f7\u201d\u66ff\u6362\u4e3a\u60a8\u9700\u8981\u5b89\u88c5\u7684\u5177\u4f53\u7248\u672c\u53f7\uff0c\u4f8b\u5982\uff1aCopy code<code>pip install pandas==1.3.3<\/code><\/li>\n\n\n\n<li>\u7b49\u5f85\u5b89\u88c5\u5b8c\u6210\u3002\u4e00\u65e6\u5b89\u88c5\u5b8c\u6210\uff0c\u60a8\u5c31\u53ef\u4ee5\u5728Python\u4ee3\u7801\u4e2d\u5bfc\u5165Pandas\u5e93\u5e76\u4f7f\u7528\u5b83\u3002javascriptCopy code<code>import pandas as pd <\/code>\u6ce8\u610f\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u60a8\u559c\u6b22\u7684\u540d\u79f0\u6765\u5bfc\u5165Pandas\u5e93\uff0c\u4f46\u901a\u5e38\u5efa\u8bae\u4f7f\u7528\u201cpd\u201d\u4f5c\u4e3a\u522b\u540d\uff0c\u56e0\u4e3a\u5b83\u662fPandas\u5e93\u7684\u5e38\u89c1\u7ea6\u5b9a\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5b89\u88c5Pandas\u5e93\u975e\u5e38\u7b80\u5355\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7pip\u5305\u7ba1\u7406\u5668\u8f7b\u677e\u5b8c\u6210\u3002\u4e00\u65e6\u5b89\u88c5\u5b8c\u6210\uff0c\u60a8\u5c31\u53ef\u4ee5\u5f00\u59cb\u4f7f\u7528Pandas\u5e93\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caPandas\u6570\u636e\u7ed3\u6784Series\uff08\u4e00\u7ef4\u6570\u7ec4\uff09<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0cSeries\u662f\u4e00\u79cd\u4e00\u7ef4\u6807\u8bb0\u6570\u7ec4\uff0c\u7c7b\u4f3c\u4e8ePython\u4e2d\u7684\u5217\u8868\u6216Numpy\u4e2d\u7684\u4e00\u7ef4\u6570\u7ec4\u3002\u6bcf\u4e2aSeries\u5bf9\u8c61\u5305\u542b\u4e24\u4e2a\u6570\u7ec4\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7d22\u5f15\u6570\u7ec4\uff1a\u7528\u4e8e\u6807\u8bc6\u6bcf\u4e2a\u6570\u636e\u70b9\uff0c\u53ef\u4ee5\u662f\u6570\u5b57\u3001\u65e5\u671f\u6216\u5b57\u7b26\u4e32\u7b49\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u6570\u7ec4\uff1a\u5305\u542b\u5b9e\u9645\u7684\u6570\u636e\u70b9\uff0c\u53ef\u4ee5\u662f\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5e03\u5c14\u503c\u3001\u751a\u81f3\u662fPython\u5bf9\u8c61\u3002<\/li>\n<\/ol>\n\n\n\n<p>Series\u5bf9\u8c61\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u521b\u5efa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\n\n# \u4ece\u5217\u8868\u4e2d\u521b\u5efaSeries\nmy_list = [1, 2, 3, 4]\ns = pd.Series(my_list)\n\n# \u4eceNumpy\u6570\u7ec4\u4e2d\u521b\u5efaSeries\nimport numpy as np\nmy_array = np.array([1, 2, 3, 4])\ns = pd.Series(my_array)\n\n# \u4ece\u5b57\u5178\u4e2d\u521b\u5efaSeries\nmy_dict = {'a': 1, 'b': 2, 'c': 3, 'd': 4}\ns = pd.Series(my_dict)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3a\u201cs\u201d\u7684Series\u5bf9\u8c61\uff0c\u5e76\u5206\u522b\u4ece\u5217\u8868\u3001Numpy\u6570\u7ec4\u548c\u5b57\u5178\u4e2d\u521b\u5efa\u4e86\u8be5\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>Series\u5bf9\u8c61\u5177\u6709\u4ee5\u4e0b\u91cd\u8981\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>values\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>index\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u4e2d\u7684\u7d22\u5f15\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>name\uff1a\u53ef\u9009\u53c2\u6570\uff0c\u7528\u4e8e\u4e3aSeries\u5bf9\u8c61\u6307\u5b9a\u540d\u79f0\u3002<\/li>\n<\/ol>\n\n\n\n<p>Series\u5bf9\u8c61\u8fd8\u5177\u6709\u8bb8\u591a\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5904\u7406\u548c\u5206\u6790\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684Series\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>head()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u7684\u524dn\u4e2a\u5143\u7d20\uff0c\u9ed8\u8ba4\u503c\u4e3a5\u3002<\/li>\n\n\n\n<li>tail()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u7684\u6700\u540en\u4e2a\u5143\u7d20\uff0c\u9ed8\u8ba4\u503c\u4e3a5\u3002<\/li>\n\n\n\n<li>describe()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u4fe1\u606f\uff0c\u5982\u5747\u503c\u3001\u6807\u51c6\u5dee\u3001\u6700\u5927\u503c\u3001\u6700\u5c0f\u503c\u7b49\u3002<\/li>\n\n\n\n<li>idxmax()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u4e2d\u5177\u6709\u6700\u5927\u503c\u7684\u7d22\u5f15\u3002<\/li>\n\n\n\n<li>idxmin()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u4e2d\u5177\u6709\u6700\u5c0f\u503c\u7684\u7d22\u5f15\u3002<\/li>\n\n\n\n<li>sort_values()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u7684\u6392\u5e8f\u526f\u672c\uff0c\u6309\u503c\u6392\u5e8f\u3002<\/li>\n\n\n\n<li>unique()\uff1a\u8fd4\u56deSeries\u5bf9\u8c61\u4e2d\u552f\u4e00\u503c\u7684\u6570\u7ec4\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cSeries\u662f\u4e00\u79cd\u65b9\u4fbf\u7684\u6570\u636e\u7ed3\u6784\uff0c\u7528\u4e8e\u5904\u7406\u4e00\u7ef4\u6570\u636e\uff0c\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u63d0\u4f9b\u4e86\u8bb8\u591a\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u5e2e\u52a9\u7528\u6237\u66f4\u6709\u6548\u5730\u5206\u6790\u548c\u5904\u7406\u6570\u636e\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caPandas\u6570\u636e\u7ed3\u6784DataFrame\uff08\u4e8c\u7ef4\u6570\u7ec4\uff09<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0cDataFrame\u662f\u4e00\u79cd\u4e8c\u7ef4\u8868\u683c\u6570\u636e\u7ed3\u6784\uff0c\u5b83\u5305\u542b\u591a\u4e2a\u884c\u548c\u5217\uff0c\u5e76\u4e14\u6bcf\u4e2a\u5217\u53ef\u4ee5\u662f\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u3002DataFrame\u53ef\u4ee5\u770b\u4f5c\u662f\u7531\u591a\u4e2aSeries\u5bf9\u8c61\u7ec4\u6210\u7684\u5b57\u5178\uff0c\u5176\u4e2d\u6bcf\u4e2aSeries\u5bf9\u8c61\u4ee3\u8868\u4e00\u5217\u6570\u636e\uff0c\u6240\u6709\u5217\u7684\u957f\u5ea6\u76f8\u540c\u3002<\/p>\n\n\n\n<p>DataFrame\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u521b\u5efa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">luaCopy code<code>import pandas as pd\n\n# \u4ece\u5217\u8868\u4e2d\u521b\u5efaDataFrame\nmy_list = [[1, 2, 3], [4, 5, 6], [7, 8, 9]]\ndf = pd.DataFrame(my_list)\n\n# \u4ece\u5b57\u5178\u4e2d\u521b\u5efaDataFrame\nmy_dict = {'Name': ['Alice', 'Bob', 'Charlie'], 'Age': [25, 30, 35], 'City': ['New York', 'Paris', 'London']}\ndf = pd.DataFrame(my_dict)\n\n# \u4eceNumpy\u6570\u7ec4\u4e2d\u521b\u5efaDataFrame\nimport numpy as np\nmy_array = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])\ndf = pd.DataFrame(my_array, columns=['A', 'B', 'C'])\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5206\u522b\u4ece\u5217\u8868\u3001\u5b57\u5178\u548cNumpy\u6570\u7ec4\u4e2d\u521b\u5efa\u4e86DataFrame\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p>DataFrame\u5bf9\u8c61\u5177\u6709\u4ee5\u4e0b\u91cd\u8981\u5c5e\u6027\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>values\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>index\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u4e2d\u7684\u884c\u7d22\u5f15\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>columns\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u4e2d\u7684\u5217\u7d22\u5f15\u6570\u7ec4\u3002<\/li>\n\n\n\n<li>shape\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u7684\u5f62\u72b6\uff0c\u5373\u884c\u6570\u548c\u5217\u6570\u3002<\/li>\n<\/ol>\n\n\n\n<p>DataFrame\u5bf9\u8c61\u8fd8\u5177\u6709\u8bb8\u591a\u5b9e\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5904\u7406\u548c\u5206\u6790\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684DataFrame\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>head()\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u7684\u524dn\u884c\uff0c\u9ed8\u8ba4\u503c\u4e3a5\u3002<\/li>\n\n\n\n<li>tail()\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u7684\u540en\u884c\uff0c\u9ed8\u8ba4\u503c\u4e3a5\u3002<\/li>\n\n\n\n<li>describe()\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u4fe1\u606f\uff0c\u5982\u5747\u503c\u3001\u6807\u51c6\u5dee\u3001\u6700\u5927\u503c\u3001\u6700\u5c0f\u503c\u7b49\u3002<\/li>\n\n\n\n<li>info()\uff1a\u8fd4\u56deDataFrame\u5bf9\u8c61\u7684\u6458\u8981\u4fe1\u606f\uff0c\u5305\u62ec\u6570\u636e\u7c7b\u578b\u3001\u7f3a\u5931\u503c\u3001\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7b49\u3002<\/li>\n\n\n\n<li>loc[]\uff1a\u6309\u6807\u7b7e\u9009\u62e9\u884c\u548c\u5217\u3002<\/li>\n\n\n\n<li>iloc[]\uff1a\u6309\u4f4d\u7f6e\u9009\u62e9\u884c\u548c\u5217\u3002<\/li>\n\n\n\n<li>drop()\uff1a\u5220\u9664\u6307\u5b9a\u884c\u6216\u5217\u3002<\/li>\n\n\n\n<li>sort_values()\uff1a\u6309\u503c\u6392\u5e8f\u3002<\/li>\n\n\n\n<li>groupby()\uff1a\u6309\u5217\u5206\u7ec4\u5e76\u8fdb\u884c\u805a\u5408\u8ba1\u7b97\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cDataFrame\u662fPandas\u4e2d\u6700\u91cd\u8981\u7684\u6570\u636e\u7ed3\u6784\u4e4b\u4e00\uff0c\u7528\u4e8e\u5904\u7406\u548c\u5206\u6790\u4e8c\u7ef4\u6570\u636e\u3002\u5b83\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u63d0\u4f9b\u4e86\u8bb8\u591a\u5b9e\u7528\u7684\u65b9\u6cd5\u548c\u51fd\u6570\uff0c\u53ef\u5e2e\u52a9\u7528\u6237\u66f4\u6709\u6548\u5730\u5206\u6790\u548c\u5904\u7406\u6570\u636e\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91caPandas\u57fa\u672c\u6570\u636e\u64cd\u4f5c<\/p>\n\n\n\n<p>Pandas\u5e93\u63d0\u4f9b\u4e86\u8bb8\u591a\u57fa\u672c\u7684\u6570\u636e\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u5904\u7406\u548c\u64cd\u4f5cSeries\u548cDataFrame\u6570\u636e\u7ed3\u6784\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u57fa\u672c\u6570\u636e\u64cd\u4f5c\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9009\u62e9\u6570\u636e\uff1aPandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u9009\u62e9DataFrame\u4e2d\u7684\u7279\u5b9a\u884c\u548c\u5217\uff0c\u5305\u62ec\u6807\u7b7e\u548c\u4f4d\u7f6e\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u4f7f\u7528loc[]\u65b9\u6cd5\u6309\u6807\u7b7e\u9009\u62e9\u6570\u636e\uff0c\u4f7f\u7528iloc[]\u65b9\u6cd5\u6309\u4f4d\u7f6e\u9009\u62e9\u6570\u636e\u3002bashCopy code<code># \u6309\u6807\u7b7e\u9009\u62e9\u6570\u636e df.loc[row_labels, column_labels] # \u6309\u4f4d\u7f6e\u9009\u62e9\u6570\u636e df.iloc[row_indices, column_indices]<\/code><\/li>\n\n\n\n<li>\u8d4b\u503c\u6570\u636e\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528Pandas\u7684.loc[]\u548c.iloc[]\u65b9\u6cd5\u6765\u8d4b\u503c\u65b0\u503c\u3002\u4f8b\u5982\uff0c\u5c06\u7279\u5b9a\u4f4d\u7f6e\u7684\u503c\u8d4b\u4e3a\u65b0\u503c\u3002cssCopy code<code># \u4f7f\u7528loc[]\u65b9\u6cd5\u8d4b\u503c\u65b0\u503c df.loc[row_label, column_label] = new_value # \u4f7f\u7528iloc[]\u65b9\u6cd5\u8d4b\u503c\u65b0\u503c df.iloc[row_index, column_index] = new_value<\/code><\/li>\n\n\n\n<li>\u8fc7\u6ee4\u6570\u636e\uff1aPandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fc7\u6ee4DataFrame\u4e2d\u7684\u6570\u636e\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u5e03\u5c14\u8868\u8fbe\u5f0f\u8fc7\u6ee4\u7279\u5b9a\u7684\u884c\u6216\u5217\u3002bashCopy code<code># \u8fc7\u6ee4\u7279\u5b9a\u884c df[df['column_name'] &gt; 5] # \u8fc7\u6ee4\u7279\u5b9a\u5217 df.loc[:, df.columns != 'column_name']<\/code><\/li>\n\n\n\n<li>\u6dfb\u52a0\u6570\u636e\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528Pandas\u7684.append()\u65b9\u6cd5\u5411DataFrame\u6dfb\u52a0\u65b0\u884c\u6216\u5217\u3002bashCopy code<code># \u6dfb\u52a0\u65b0\u884c new_row = {'column_name': 'value'} df = df.append(new_row, ignore_index=True) # \u6dfb\u52a0\u65b0\u5217 new_col = [1, 2, 3, 4] df['new_column_name'] = new_col<\/code><\/li>\n\n\n\n<li>\u5220\u9664\u6570\u636e\uff1a\u60a8\u53ef\u4ee5\u4f7f\u7528Pandas\u7684.drop()\u65b9\u6cd5\u5220\u9664DataFrame\u4e2d\u7684\u884c\u6216\u5217\u3002perlCopy code<code># \u5220\u9664\u7279\u5b9a\u884c df.drop(index=row_index) # \u5220\u9664\u7279\u5b9a\u5217 df.drop(columns=column_name)<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86\u8bb8\u591a\u57fa\u672c\u7684\u6570\u636e\u64cd\u4f5c\u65b9\u6cd5\uff0c\u53ef\u7528\u4e8e\u9009\u62e9\u3001\u8d4b\u503c\u3001\u8fc7\u6ee4\u3001\u6dfb\u52a0\u548c\u5220\u9664DataFrame\u4e2d\u7684\u6570\u636e\u3002\u8fd9\u4e9b\u65b9\u6cd5\u4f7f\u5f97\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u66f4\u52a0\u65b9\u4fbf\u548c\u9ad8\u6548\uff0c\u4f7f\u5f97\u7528\u6237\u80fd\u591f\u66f4\u5feb\u5730\u5b8c\u6210\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u4efb\u52a1\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/p>\n\n\n\n<p>Pandas\u53ef\u4ee5\u4ece\u591a\u79cd\u6570\u636e\u6e90\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5305\u62ecCSV\u6587\u4ef6\u3001Excel\u6587\u4ef6\u3001SQL\u6570\u636e\u5e93\u3001JSON\u6587\u4ef6\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n<p>CSV\uff08Comma Separated Values\uff09\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u6570\u636e\u683c\u5f0f\uff0c\u7528\u4e8e\u5b58\u50a8\u8868\u683c\u6570\u636e\u3002CSV\u6587\u4ef6\u5305\u542b\u4e00\u7cfb\u5217\u7684\u884c\u548c\u5217\uff0c\u6bcf\u884c\u4ee3\u8868\u4e00\u6761\u8bb0\u5f55\uff0c\u6bcf\u5217\u4ee3\u8868\u4e00\u79cd\u5c5e\u6027\u3002\u6bcf\u4e2a\u5b57\u6bb5\u4e4b\u95f4\u7528\u9017\u53f7\u5206\u9694\uff0c\u6bcf\u4e00\u884c\u7528\u6362\u884c\u7b26\u5206\u9694\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8bCSV\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">sqlCopy code<code>Name, Age, City\nAlice, 25, New York\nBob, 30, Paris\nCharlie, 35, London\n<\/code><\/pre>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528Pandas\u7684read_csv()\u51fd\u6570\u4eceCSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u4ece\u672c\u5730CSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\ndf = pd.read_csv('path\/to\/file.csv')\n\n# \u4ece\u7f51\u7edc\u4e0a\u7684CSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\nurl = 'http:\/\/path\/to\/file.csv'\ndf = pd.read_csv(url)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528read_csv()\u51fd\u6570\u4ece\u672c\u5730CSV\u6587\u4ef6\u548c\u7f51\u7edc\u4e0a\u7684CSV\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u53ef\u4ee5\u5c06CSV\u6587\u4ef6\u7684\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9read_csv()\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u5c06CSV\u6587\u4ef6\u7684URL\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9read_csv()\u51fd\u6570\u3002<\/p>\n\n\n\n<p>read_csv()\u51fd\u6570\u63d0\u4f9b\u4e86\u8bb8\u591a\u53ef\u9009\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u81ea\u5b9a\u4e49\u8bfb\u53d6\u8fc7\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684read_csv()\u51fd\u6570\u53c2\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>header\uff1a\u6307\u5b9aCSV\u6587\u4ef6\u662f\u5426\u5305\u542b\u6807\u9898\u884c\u3002\u9ed8\u8ba4\u4e3aTrue\uff0c\u8868\u793a\u5305\u542b\u6807\u9898\u884c\u3002<\/li>\n\n\n\n<li>sep\uff1a\u6307\u5b9aCSV\u6587\u4ef6\u4e2d\u5b57\u6bb5\u4e4b\u95f4\u7684\u5206\u9694\u7b26\u3002\u9ed8\u8ba4\u4e3a\u9017\u53f7\u3002<\/li>\n\n\n\n<li>index_col\uff1a\u6307\u5b9aCSV\u6587\u4ef6\u4e2d\u8981\u7528\u4f5c\u884c\u7d22\u5f15\u7684\u5217\u3002<\/li>\n\n\n\n<li>usecols\uff1a\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u5217\u3002<\/li>\n\n\n\n<li>dtype\uff1a\u6307\u5b9a\u6bcf\u5217\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>skiprows\uff1a\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u884c\u6570\u3002<\/li>\n\n\n\n<li>encoding\uff1a\u6307\u5b9aCSV\u6587\u4ef6\u7684\u7f16\u7801\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>na_values\uff1a\u6307\u5b9a\u8981\u5c06\u54ea\u4e9b\u503c\u8bc6\u522b\u4e3a\u7f3a\u5931\u503c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u65b9\u6cd5\u6765\u8bfb\u53d6\u548c\u5904\u7406CSV\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u3002\u4f7f\u7528Pandas\u7684read_csv()\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06CSV\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u52a0\u8f7d\u5230Pandas DataFrame\u5bf9\u8c61\u4e2d\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4eceExcel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e<\/p>\n\n\n\n<p>Pandas\u53ef\u4ee5\u4ece\u591a\u79cd\u6570\u636e\u6e90\u4e2d\u8bfb\u53d6\u6570\u636e\uff0c\u5305\u62ecExcel\u6587\u4ef6\u3001CSV\u6587\u4ef6\u3001SQL\u6570\u636e\u5e93\u3001JSON\u6587\u4ef6\u7b49\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4eceExcel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002<\/p>\n\n\n\n<p>Excel\u6587\u4ef6\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7535\u5b50\u8868\u683c\u6587\u4ef6\u683c\u5f0f\uff0c\u7528\u4e8e\u5b58\u50a8\u8868\u683c\u6570\u636e\u3002Excel\u6587\u4ef6\u5305\u542b\u591a\u4e2a\u5de5\u4f5c\u8868\uff0c\u6bcf\u4e2a\u5de5\u4f5c\u8868\u5305\u542b\u4e00\u7cfb\u5217\u7684\u884c\u548c\u5217\uff0c\u6bcf\u884c\u4ee3\u8868\u4e00\u6761\u8bb0\u5f55\uff0c\u6bcf\u5217\u4ee3\u8868\u4e00\u79cd\u5c5e\u6027\u3002Excel\u6587\u4ef6\u4e2d\u53ef\u4ee5\u5305\u542b\u591a\u4e2a\u5de5\u4f5c\u8868\uff0c\u6bcf\u4e2a\u5de5\u4f5c\u8868\u6709\u4e00\u4e2a\u540d\u79f0\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528Pandas\u7684read_excel()\u51fd\u6570\u4eceExcel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u4ece\u672c\u5730Excel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\ndf = pd.read_excel('path\/to\/file.xlsx', sheet_name='Sheet1')\n\n# \u4ece\u7f51\u7edc\u4e0a\u7684Excel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\nurl = 'http:\/\/path\/to\/file.xlsx'\ndf = pd.read_excel(url, sheet_name='Sheet1')\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528read_excel()\u51fd\u6570\u4ece\u672c\u5730Excel\u6587\u4ef6\u548c\u7f51\u7edc\u4e0a\u7684Excel\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e\u3002\u53ef\u4ee5\u5c06Excel\u6587\u4ef6\u7684\u8def\u5f84\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9read_excel()\u51fd\u6570\uff0c\u4e5f\u53ef\u4ee5\u5c06Excel\u6587\u4ef6\u7684URL\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9read_excel()\u51fd\u6570\u3002\u53ef\u4ee5\u4f7f\u7528sheet_name\u53c2\u6570\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u5de5\u4f5c\u8868\u540d\u79f0\u6216\u7d22\u5f15\u53f7\u3002<\/p>\n\n\n\n<p>read_excel()\u51fd\u6570\u63d0\u4f9b\u4e86\u8bb8\u591a\u53ef\u9009\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u81ea\u5b9a\u4e49\u8bfb\u53d6\u8fc7\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684read_excel()\u51fd\u6570\u53c2\u6570\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>header\uff1a\u6307\u5b9aExcel\u6587\u4ef6\u662f\u5426\u5305\u542b\u6807\u9898\u884c\u3002\u9ed8\u8ba4\u4e3a0\uff0c\u8868\u793a\u7b2c\u4e00\u884c\u4e3a\u6807\u9898\u884c\u3002<\/li>\n\n\n\n<li>index_col\uff1a\u6307\u5b9aExcel\u6587\u4ef6\u4e2d\u8981\u7528\u4f5c\u884c\u7d22\u5f15\u7684\u5217\u3002<\/li>\n\n\n\n<li>usecols\uff1a\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u5217\u3002<\/li>\n\n\n\n<li>dtype\uff1a\u6307\u5b9a\u6bcf\u5217\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>skiprows\uff1a\u6307\u5b9a\u8981\u8df3\u8fc7\u7684\u884c\u6570\u3002<\/li>\n\n\n\n<li>sheet_name\uff1a\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u5de5\u4f5c\u8868\u540d\u79f0\u6216\u7d22\u5f15\u53f7\u3002<\/li>\n\n\n\n<li>na_values\uff1a\u6307\u5b9a\u8981\u5c06\u54ea\u4e9b\u503c\u8bc6\u522b\u4e3a\u7f3a\u5931\u503c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u7075\u6d3b\u7684\u65b9\u6cd5\u6765\u8bfb\u53d6\u548c\u5904\u7406Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u3002\u4f7f\u7528Pandas\u7684read_excel()\u51fd\u6570\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06Excel\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u52a0\u8f7d\u5230Pandas DataFrame\u5bf9\u8c61\u4e2d\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6<\/p>\n\n\n\n<p>Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5c06\u6570\u636e\u4eceDataFrame\u5bf9\u8c61\u5199\u5165CSV\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528to_csv()\u51fd\u6570\uff1ato_csv()\u51fd\u6570\u662fPandas\u4e2d\u6700\u5e38\u7528\u7684\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u7684\u65b9\u6cd5\u3002\u8be5\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1aperlCopy code<code>df.to_csv('path\/to\/file.csv', index=False) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06DataFrame\u5bf9\u8c61df\u5199\u5165CSV\u6587\u4ef6\u4e2d\uff0c\u6587\u4ef6\u8def\u5f84\u4e3a&#8217;path\/to\/file.csv&#8217;\uff0c\u53c2\u6570index=False\u8868\u793a\u4e0d\u5305\u542b\u7d22\u5f15\u5217\u3002to_csv()\u51fd\u6570\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u53ef\u9009\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684to_csv()\u51fd\u6570\u53c2\u6570\uff1a\n<ul class=\"wp-block-list\">\n<li>sep\uff1a\u6307\u5b9a\u5b57\u6bb5\u4e4b\u95f4\u7684\u5206\u9694\u7b26\u3002\u9ed8\u8ba4\u4e3a\u9017\u53f7\u3002<\/li>\n\n\n\n<li>header\uff1a\u6307\u5b9a\u662f\u5426\u5305\u542b\u6807\u9898\u884c\u3002\u9ed8\u8ba4\u4e3aTrue\u3002<\/li>\n\n\n\n<li>index\uff1a\u6307\u5b9a\u662f\u5426\u5305\u542b\u7d22\u5f15\u5217\u3002\u9ed8\u8ba4\u4e3aTrue\u3002<\/li>\n\n\n\n<li>mode\uff1a\u6307\u5b9a\u5199\u5165\u6a21\u5f0f\u3002\u9ed8\u8ba4\u4e3a&#8217;w&#8217;\uff08\u8986\u76d6\u5199\u5165\uff09\u3002<\/li>\n\n\n\n<li>encoding\uff1a\u6307\u5b9a\u8f93\u51fa\u6587\u4ef6\u7684\u7f16\u7801\u65b9\u5f0f\u3002\u9ed8\u8ba4\u4e3a&#8217;utf-8&#8217;\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f7f\u7528CSVWriter\u5bf9\u8c61\uff1a\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684CSVWriter\u5bf9\u8c61\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u4ee3\u7801\uff1apythonCopy code<code>import csv with open('path\/to\/file.csv', mode='w', newline='') as file: writer = csv.writer(file) writer.writerow(['Name', 'Age', 'City']) writer.writerow(['Alice', 25, 'New York']) writer.writerow(['Bob', 30, 'Paris']) writer.writerow(['Charlie', 35, 'London']) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Python\u5185\u7f6e\u7684csv.writer\u5bf9\u8c61\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u4e2d\u3002\u9996\u5148\uff0c\u4f7f\u7528open()\u51fd\u6570\u6253\u5f00\u6587\u4ef6\u5e76\u521b\u5efaCSVWriter\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u4f7f\u7528writerow()\u65b9\u6cd5\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u4e2d\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86to_csv()\u51fd\u6570\uff0c\u662f\u5c06\u6570\u636e\u4eceDataFrame\u5bf9\u8c61\u5199\u5165CSV\u6587\u4ef6\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528Python\u5185\u7f6e\u7684CSVWriter\u5bf9\u8c61\u6765\u624b\u52a8\u5c06\u6570\u636e\u5199\u5165CSV\u6587\u4ef6\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5c06\u6570\u636e\u5199\u5165Excel\u6587\u4ef6<\/p>\n\n\n\n<p>Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5c06\u6570\u636e\u4eceDataFrame\u5bf9\u8c61\u5199\u5165Excel\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528to_excel()\u51fd\u6570\uff1ato_excel()\u51fd\u6570\u662fPandas\u4e2d\u6700\u5e38\u7528\u7684\u5c06\u6570\u636e\u5199\u5165Excel\u6587\u4ef6\u7684\u65b9\u6cd5\u3002\u8be5\u51fd\u6570\u7684\u8bed\u6cd5\u5982\u4e0b\uff1aperlCopy code<code>df.to_excel('path\/to\/file.xlsx', index=False) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06DataFrame\u5bf9\u8c61df\u5199\u5165Excel\u6587\u4ef6\u4e2d\uff0c\u6587\u4ef6\u8def\u5f84\u4e3a&#8217;path\/to\/file.xlsx&#8217;\uff0c\u53c2\u6570index=False\u8868\u793a\u4e0d\u5305\u542b\u7d22\u5f15\u5217\u3002to_excel()\u51fd\u6570\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u53ef\u9009\u53c2\u6570\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684to_excel()\u51fd\u6570\u53c2\u6570\uff1a\n<ul class=\"wp-block-list\">\n<li>sheet_name\uff1a\u6307\u5b9a\u8981\u5199\u5165\u7684\u5de5\u4f5c\u8868\u540d\u79f0\u3002<\/li>\n\n\n\n<li>header\uff1a\u6307\u5b9a\u662f\u5426\u5305\u542b\u6807\u9898\u884c\u3002\u9ed8\u8ba4\u4e3aTrue\u3002<\/li>\n\n\n\n<li>index\uff1a\u6307\u5b9a\u662f\u5426\u5305\u542b\u7d22\u5f15\u5217\u3002\u9ed8\u8ba4\u4e3aTrue\u3002<\/li>\n\n\n\n<li>startrow\uff1a\u6307\u5b9a\u4ece\u54ea\u4e00\u884c\u5f00\u59cb\u5199\u5165\u6570\u636e\u3002\u9ed8\u8ba4\u4e3a0\u3002<\/li>\n\n\n\n<li>startcol\uff1a\u6307\u5b9a\u4ece\u54ea\u4e00\u5217\u5f00\u59cb\u5199\u5165\u6570\u636e\u3002\u9ed8\u8ba4\u4e3a0\u3002<\/li>\n\n\n\n<li>mode\uff1a\u6307\u5b9a\u5199\u5165\u6a21\u5f0f\u3002\u9ed8\u8ba4\u4e3a&#8217;w&#8217;\uff08\u8986\u76d6\u5199\u5165\uff09\u3002<\/li>\n\n\n\n<li>encoding\uff1a\u6307\u5b9a\u8f93\u51fa\u6587\u4ef6\u7684\u7f16\u7801\u65b9\u5f0f\u3002\u9ed8\u8ba4\u4e3a&#8217;utf-8&#8217;\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f7f\u7528openpyxl\u5e93\uff1a\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528Python\u7684openpyxl\u5e93\u5c06\u6570\u636e\u5199\u5165Excel\u6587\u4ef6\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u4ee3\u7801\uff1apythonCopy code<code>from openpyxl import Workbook # \u521b\u5efa\u5de5\u4f5c\u7c3f\u5bf9\u8c61 wb = Workbook() # \u521b\u5efa\u5de5\u4f5c\u8868\u5bf9\u8c61 ws = wb.active # \u5199\u5165\u6570\u636e ws.append(['Name', 'Age', 'City']) ws.append(['Alice', 25, 'New York']) ws.append(['Bob', 30, 'Paris']) ws.append(['Charlie', 35, 'London']) # \u4fdd\u5b58\u6587\u4ef6 wb.save('path\/to\/file.xlsx') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Python\u7684openpyxl\u5e93\u521b\u5efa\u4e00\u4e2a\u5de5\u4f5c\u7c3f\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7.active\u5c5e\u6027\u83b7\u53d6\u5f53\u524d\u6d3b\u52a8\u7684\u5de5\u4f5c\u8868\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u4f7f\u7528append()\u65b9\u6cd5\u5c06\u6570\u636e\u9010\u884c\u5199\u5165\u5de5\u4f5c\u8868\u4e2d\u3002\u6700\u540e\uff0c\u4f7f\u7528save()\u65b9\u6cd5\u5c06\u5de5\u4f5c\u7c3f\u4fdd\u5b58\u4e3aExcel\u6587\u4ef6\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86to_excel()\u51fd\u6570\uff0c\u662f\u5c06\u6570\u636e\u4eceDataFrame\u5bf9\u8c61\u5199\u5165Excel\u6587\u4ef6\u7684\u6700\u5e38\u7528\u65b9\u6cd5\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528Python\u7684openpyxl\u5e93\u6765\u624b\u52a8\u5c06\u6570\u636e\u5199\u5165Excel\u6587\u4ef6\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u66f4\u9ad8\u7ea7\u7684\u81ea\u5b9a\u4e49\u8f93\u51fa\u683c\u5f0f\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u6807\u7b7e\u9009\u62e9\u6570\u636e<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6807\u7b7e\u9009\u62e9\u6570\u636e\uff0c\u4ee5\u4fbf\u4eceDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u83b7\u53d6\u7279\u5b9a\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u6807\u7b7e\u9009\u62e9\u6570\u636e\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528.loc[]\u65b9\u6cd5\uff1a.loc[]\u65b9\u6cd5\u7528\u4e8e\u901a\u8fc7\u6807\u7b7e\u9009\u62e9\u884c\u6216\u5217\u3002\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1acssCopy code<code>df.loc[row_labels, column_labels] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0crow_labels\u662f\u4e00\u4e2a\u884c\u6807\u7b7e\u5217\u8868\u6216\u5207\u7247\uff0ccolumn_labels\u662f\u4e00\u4e2a\u5217\u6807\u7b7e\u5217\u8868\u6216\u5207\u7247\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.loc[]\u65b9\u6cd5\u6309\u6807\u7b7e\u9009\u62e9\u7279\u5b9a\u884c\u548c\u5217\u7684\u6570\u636e\uff1abashCopy code<code># \u9009\u62e9\u7b2c2\u884c\u548c\u7b2c3\u5217\u7684\u6570\u636e df.loc[2, 'column_name'] # \u9009\u62e9\u7b2c1\u884c\u5230\u7b2c3\u884c\u548c\u7b2c2\u5217\u5230\u7b2c4\u5217\u4e4b\u95f4\u7684\u6570\u636e df.loc[1:3, 'column2':'column4'] # \u9009\u62e9\u6240\u6709\u884c\u548c\u7b2c1\u5217\u7684\u6570\u636e df.loc[:, 'column1']<\/code><\/li>\n\n\n\n<li>\u4f7f\u7528.loc[]\u65b9\u6cd5\u548c\u5e03\u5c14\u7d22\u5f15\uff1a.loc[]\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u4e0e\u5e03\u5c14\u7d22\u5f15\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4fbf\u9009\u62e9\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u6216\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.loc[]\u65b9\u6cd5\u548c\u5e03\u5c14\u7d22\u5f15\u6309\u6807\u7b7e\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c df.loc[df['Age'] &gt;= 30]<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528.loc[]\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5730\u6309\u6807\u7b7e\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u9009\u62e9\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u3001\u7075\u6d3b\u5730\u9009\u62e9\u548c\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u4f4d\u7f6e\u9009\u62e9\u6570\u636e<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4f4d\u7f6e\u9009\u62e9\u6570\u636e\uff0c\u4ee5\u4fbf\u4eceDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u83b7\u53d6\u7279\u5b9a\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u4f4d\u7f6e\u9009\u62e9\u6570\u636e\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528.iloc[]\u65b9\u6cd5\uff1a.iloc[]\u65b9\u6cd5\u7528\u4e8e\u901a\u8fc7\u6574\u6570\u4f4d\u7f6e\u9009\u62e9\u884c\u6216\u5217\u3002\u5b83\u7684\u57fa\u672c\u8bed\u6cd5\u5982\u4e0b\uff1acssCopy code<code>df.iloc[row_positions, column_positions] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0crow_positions\u662f\u4e00\u4e2a\u884c\u4f4d\u7f6e\u5217\u8868\u6216\u5207\u7247\uff0ccolumn_positions\u662f\u4e00\u4e2a\u5217\u4f4d\u7f6e\u5217\u8868\u6216\u5207\u7247\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.iloc[]\u65b9\u6cd5\u6309\u4f4d\u7f6e\u9009\u62e9\u7279\u5b9a\u884c\u548c\u5217\u7684\u6570\u636e\uff1amakefileCopy code<code># \u9009\u62e9\u7b2c2\u884c\u548c\u7b2c3\u5217\u7684\u6570\u636e df.iloc[1, 2] # \u9009\u62e9\u7b2c1\u884c\u5230\u7b2c3\u884c\u548c\u7b2c2\u5217\u5230\u7b2c4\u5217\u4e4b\u95f4\u7684\u6570\u636e df.iloc[0:3, 1:4] # \u9009\u62e9\u6240\u6709\u884c\u548c\u7b2c1\u5217\u7684\u6570\u636e df.iloc[:, 0]<\/code><\/li>\n\n\n\n<li>\u4f7f\u7528.iloc[]\u65b9\u6cd5\u548c\u5e03\u5c14\u7d22\u5f15\uff1a.iloc[]\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u4e0e\u5e03\u5c14\u7d22\u5f15\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u4fbf\u9009\u62e9\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u6216\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.iloc[]\u65b9\u6cd5\u548c\u5e03\u5c14\u7d22\u5f15\u6309\u4f4d\u7f6e\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c df.iloc[(df['Age'] &gt;= 30).values]<\/code><\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528.iloc[]\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5730\u6309\u4f4d\u7f6e\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\uff0c\u540c\u65f6\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u9009\u62e9\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u6570\u636e\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u3001\u7075\u6d3b\u5730\u9009\u62e9\u548c\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528\u6761\u4ef6\u9009\u62e9\u6570\u636e<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u9009\u62e9\u6570\u636e\uff0c\u4ee5\u4fbf\u4eceDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u83b7\u53d6\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u6761\u4ef6\u9009\u62e9\u6570\u636e\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\uff1a\u5e03\u5c14\u7d22\u5f15\u662f\u4e00\u79cd\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u6216\u5217\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u6309\u6761\u4ef6\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c df[df['Age'] &gt;= 30] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0cdf[&#8216;Age&#8217;] &gt;= 30\u662f\u4e00\u4e2a\u5e03\u5c14\u8868\u8fbe\u5f0f\uff0c\u8fd4\u56de\u4e00\u4e2a\u5e03\u5c14Series\u5bf9\u8c61\u3002\u5c06\u8fd9\u4e2a\u5e03\u5c14Series\u5bf9\u8c61\u4f20\u9012\u7ed9df[]\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528query()\u65b9\u6cd5\uff1aquery()\u65b9\u6cd5\u662f\u4e00\u79cd\u9009\u62e9DataFrame\u5bf9\u8c61\u4e2d\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528query()\u65b9\u6cd5\u6309\u6761\u4ef6\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c df.query('Age &gt;= 30') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c&#8217;Age &gt;= 30&#8217;\u662f\u4e00\u4e2a\u67e5\u8be2\u5b57\u7b26\u4e32\uff0c\u4f7f\u7528query()\u65b9\u6cd5\u53ef\u4ee5\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528isin()\u65b9\u6cd5\uff1aisin()\u65b9\u6cd5\u662f\u4e00\u79cd\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u5305\u542b\u7279\u5b9a\u503c\u7684\u884c\u6216\u5217\u7684\u65b9\u6cd5\u3002\u4f8b\u5982\uff0c\u4f7f\u7528isin()\u65b9\u6cd5\u6309\u6761\u4ef6\u9009\u62e9\u6240\u6709\u57ce\u5e02\u4e3a&#8217;New York&#8217;\u6216&#8217;Paris&#8217;\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u57ce\u5e02\u4e3a'New York'\u6216'Paris'\u7684\u884c df[df['City'].isin(['New York', 'Paris'])] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0cdf[&#8216;City&#8217;].isin([&#8216;New York&#8217;, &#8216;Paris&#8217;])\u662f\u4e00\u4e2a\u5e03\u5c14Series\u5bf9\u8c61\uff0c\u8fd4\u56de\u4e00\u4e2a\u5305\u542bTrue\u548cFalse\u7684Series\u5bf9\u8c61\u3002\u5c06\u8fd9\u4e2aSeries\u5bf9\u8c61\u4f20\u9012\u7ed9df[]\u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u9009\u62e9\u6240\u6709\u57ce\u5e02\u4e3a&#8217;New York&#8217;\u6216&#8217;Paris&#8217;\u7684\u884c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u3001query()\u65b9\u6cd5\u548cisin()\u65b9\u6cd5\u53ef\u4ee5\u8f7b\u677e\u5730\u6309\u6761\u4ef6\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u3001\u7075\u6d3b\u5730\u9009\u62e9\u548c\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5207\u7247\u64cd\u4f5c<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\uff0c\u4ee5\u4fbf\u4eceDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u83b7\u53d6\u7279\u5b9a\u884c\u6216\u5217\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4f7f\u7528.loc[]\u65b9\u6cd5\u548c\u5207\u7247\uff1a.loc[]\u65b9\u6cd5\u548c\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u6309\u6807\u7b7e\u5207\u7247\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u884c\u6216\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.loc[]\u65b9\u6cd5\u548c\u5207\u7247\u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e\uff1amakefileCopy code<code># \u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e df.loc[2:4, :] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528.loc[]\u65b9\u6cd5\u548c\u5207\u7247\u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e\uff0c\u5176\u4e2d&#8217;:&#8217;\u8868\u793a\u9009\u62e9\u6240\u6709\u5217\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528.iloc[]\u65b9\u6cd5\u548c\u5207\u7247\uff1a.iloc[]\u65b9\u6cd5\u548c\u5207\u7247\u53ef\u4ee5\u7528\u4e8e\u6309\u4f4d\u7f6e\u5207\u7247\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u884c\u6216\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528.iloc[]\u65b9\u6cd5\u548c\u5207\u7247\u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e\uff1amakefileCopy code<code># \u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e df.iloc[1:4, :] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528.iloc[]\u65b9\u6cd5\u548c\u5207\u7247\u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e\uff0c\u5176\u4e2d&#8217;:&#8217;\u8868\u793a\u9009\u62e9\u6240\u6709\u5217\u3002<\/li>\n\n\n\n<li>\u4f7f\u7528\u5207\u7247\u548c\u5e03\u5c14\u7d22\u5f15\uff1a\u5207\u7247\u548c\u5e03\u5c14\u7d22\u5f15\u53ef\u4ee5\u7528\u4e8e\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7b26\u5408\u7279\u5b9a\u6761\u4ef6\u7684\u884c\u6216\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5207\u7247\u548c\u5e03\u5c14\u7d22\u5f15\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff1abashCopy code<code># \u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c df[df['Age'] &gt;= 30][2:5] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528\u5e03\u5c14\u7d22\u5f15\u9009\u62e9\u6240\u6709\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e30\u5c81\u7684\u884c\uff0c\u7136\u540e\u4f7f\u7528\u5207\u7247\u9009\u62e9\u7b2c2\u5230\u7b2c4\u884c\u7684\u6570\u636e\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528\u5207\u7247\u64cd\u4f5c\u53ef\u4ee5\u8f7b\u677e\u5730\u9009\u62e9DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u7279\u5b9a\u884c\u6216\u5217\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u5feb\u901f\u3001\u7075\u6d3b\u5730\u9009\u62e9\u548c\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7f3a\u5931\u503c\u5904\u7406<\/p>\n\n\n\n<p>\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u5e38\u5e38\u4f1a\u9047\u5230\u7f3a\u5931\u503c\u7684\u60c5\u51b5\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u7f3a\u5931\u503c\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5904\u7406\u7f3a\u5931\u503c\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u67e5\u627e\u7f3a\u5931\u503c\uff1a\u4f7f\u7528isnull()\u65b9\u6cd5\u53ef\u4ee5\u67e5\u627eDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u7f3a\u5931\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528isnull()\u65b9\u6cd5\u67e5\u627eDataFrame\u5bf9\u8c61df\u4e2d\u7684\u7f3a\u5931\u503c\uff1ashellCopy code<code># \u67e5\u627edf\u4e2d\u7684\u7f3a\u5931\u503c df.isnull() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528isnull()\u65b9\u6cd5\u53ef\u4ee5\u67e5\u627edf\u4e2d\u7684\u7f3a\u5931\u503c\u3002<\/li>\n\n\n\n<li>\u586b\u5145\u7f3a\u5931\u503c\uff1a\u4f7f\u7528fillna()\u65b9\u6cd5\u53ef\u4ee5\u586b\u5145DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u7f3a\u5931\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528fillna()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u7684\u7f3a\u5931\u503c\u586b\u5145\u4e3a0\uff1ashellCopy code<code># \u5c06df\u4e2d\u7684\u7f3a\u5931\u503c\u586b\u5145\u4e3a0 df.fillna(0) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528fillna()\u65b9\u6cd5\u5c06df\u4e2d\u7684\u7f3a\u5931\u503c\u586b\u5145\u4e3a0\u3002<\/li>\n\n\n\n<li>\u5220\u9664\u7f3a\u5931\u503c\uff1a\u4f7f\u7528dropna()\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u7f3a\u5931\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528dropna()\u65b9\u6cd5\u5220\u9664DataFrame\u5bf9\u8c61df\u4e2d\u5305\u542b\u7f3a\u5931\u503c\u7684\u884c\uff1ashellCopy code<code># \u5220\u9664df\u4e2d\u5305\u542b\u7f3a\u5931\u503c\u7684\u884c df.dropna() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528dropna()\u65b9\u6cd5\u5220\u9664df\u4e2d\u5305\u542b\u7f3a\u5931\u503c\u7684\u884c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5904\u7406\u7f3a\u5931\u503c\u662f\u6570\u636e\u5206\u6790\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u4e4b\u4e00\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u7f3a\u5931\u503c\uff0c\u5305\u62ec\u67e5\u627e\u7f3a\u5931\u503c\u3001\u586b\u5145\u7f3a\u5931\u503c\u548c\u5220\u9664\u7f3a\u5931\u503c\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u3001\u7075\u6d3b\u5730\u5904\u7406\u7f3a\u5931\u503c\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u91cd\u590d\u503c\u5904\u7406<\/p>\n\n\n\n<p>\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u5e38\u5e38\u4f1a\u9047\u5230\u91cd\u590d\u503c\u7684\u60c5\u51b5\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u91cd\u590d\u503c\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u5904\u7406\u91cd\u590d\u503c\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u67e5\u627e\u91cd\u590d\u503c\uff1a\u4f7f\u7528duplicated()\u65b9\u6cd5\u53ef\u4ee5\u67e5\u627eDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u91cd\u590d\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528duplicated()\u65b9\u6cd5\u67e5\u627eDataFrame\u5bf9\u8c61df\u4e2d\u7684\u91cd\u590d\u503c\uff1ashellCopy code<code># \u67e5\u627edf\u4e2d\u7684\u91cd\u590d\u503c df.duplicated() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528duplicated()\u65b9\u6cd5\u53ef\u4ee5\u67e5\u627edf\u4e2d\u7684\u91cd\u590d\u503c\u3002<\/li>\n\n\n\n<li>\u5220\u9664\u91cd\u590d\u503c\uff1a\u4f7f\u7528drop_duplicates()\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u91cd\u590d\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528drop_duplicates()\u65b9\u6cd5\u5220\u9664DataFrame\u5bf9\u8c61df\u4e2d\u7684\u91cd\u590d\u884c\uff1ashellCopy code<code># \u5220\u9664df\u4e2d\u7684\u91cd\u590d\u884c df.drop_duplicates() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528drop_duplicates()\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664df\u4e2d\u7684\u91cd\u590d\u884c\u3002<\/li>\n\n\n\n<li>\u66ff\u6362\u91cd\u590d\u503c\uff1a\u4f7f\u7528replace()\u65b9\u6cd5\u53ef\u4ee5\u66ff\u6362DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u91cd\u590d\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528replace()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u7684\u91cd\u590d\u503c\u66ff\u6362\u4e3a0\uff1ashellCopy code<code># \u5c06df\u4e2d\u7684\u91cd\u590d\u503c\u66ff\u6362\u4e3a0 df.replace(df.duplicated(), 0) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528replace()\u65b9\u6cd5\u5c06df\u4e2d\u7684\u91cd\u590d\u503c\u66ff\u6362\u4e3a0\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5904\u7406\u91cd\u590d\u503c\u662f\u6570\u636e\u5206\u6790\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u4e4b\u4e00\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u91cd\u590d\u503c\uff0c\u5305\u62ec\u67e5\u627e\u91cd\u590d\u503c\u3001\u5220\u9664\u91cd\u590d\u503c\u548c\u66ff\u6362\u91cd\u590d\u503c\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u3001\u7075\u6d3b\u5730\u5904\u7406\u91cd\u590d\u503c\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5f02\u5e38\u503c\u5904\u7406<\/p>\n\n\n\n<p>\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u5f02\u5e38\u503c\uff08Outliers\uff09\u662f\u6307\u4e0e\u5176\u4ed6\u89c2\u6d4b\u503c\u660e\u663e\u4e0d\u540c\u7684\u89c2\u6d4b\u503c\uff0c\u5b83\u4eec\u53ef\u80fd\u4f1a\u5bf9\u6570\u636e\u5206\u6790\u548c\u5efa\u6a21\u4ea7\u751f\u8d1f\u9762\u5f71\u54cd\u3002\u56e0\u6b64\uff0c\u5f02\u5e38\u503c\u5904\u7406\u662f\u6570\u636e\u5206\u6790\u7684\u4e00\u4e2a\u91cd\u8981\u6b65\u9aa4\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u5f02\u5e38\u503c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u76f4\u65b9\u56fe\uff1a\u4f7f\u7528\u76f4\u65b9\u56fe\u53ef\u4ee5\u663e\u793aDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u6570\u636e\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u53ef\u4ee5\u4ece\u76f4\u65b9\u56fe\u4e2d\u770b\u51fa\u662f\u5426\u5b58\u5728\u5f02\u5e38\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528hist()\u65b9\u6cd5\u7ed8\u5236DataFrame\u5bf9\u8c61df\u4e2d\u67d0\u4e00\u5217\u7684\u76f4\u65b9\u56fe\uff1abashCopy code<code># \u7ed8\u5236df\u4e2dAge\u5217\u7684\u76f4\u65b9\u56fe df['Age'].hist() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528hist()\u65b9\u6cd5\u7ed8\u5236df\u4e2dAge\u5217\u7684\u76f4\u65b9\u56fe\u3002<\/li>\n\n\n\n<li>\u7bb1\u7ebf\u56fe\uff1a\u7bb1\u7ebf\u56fe\uff08Box Plot\uff09\u4e5f\u53ef\u4ee5\u7528\u6765\u663e\u793aDataFrame\u6216Series\u5bf9\u8c61\u4e2d\u6570\u636e\u7684\u5206\u5e03\u60c5\u51b5\uff0c\u53ef\u4ee5\u4ece\u7bb1\u7ebf\u56fe\u4e2d\u770b\u51fa\u662f\u5426\u5b58\u5728\u5f02\u5e38\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528boxplot()\u65b9\u6cd5\u7ed8\u5236DataFrame\u5bf9\u8c61df\u4e2d\u67d0\u4e00\u5217\u7684\u7bb1\u7ebf\u56fe\uff1abashCopy code<code># \u7ed8\u5236df\u4e2dAge\u5217\u7684\u7bb1\u7ebf\u56fe df['Age'].plot.box() <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528boxplot()\u65b9\u6cd5\u7ed8\u5236df\u4e2dAge\u5217\u7684\u7bb1\u7ebf\u56fe\u3002<\/li>\n\n\n\n<li>\u5254\u9664\u5f02\u5e38\u503c\uff1a\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u548cloc[]\u65b9\u6cd5\u6765\u5254\u9664DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u5f02\u5e38\u503c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528loc[]\u65b9\u6cd5\u5220\u9664DataFrame\u5bf9\u8c61df\u4e2d\u6240\u6709\u5e74\u9f84\u5927\u4e8e100\u5c81\u7684\u884c\uff1abashCopy code<code># \u5220\u9664df\u4e2d\u6240\u6709\u5e74\u9f84\u5927\u4e8e100\u5c81\u7684\u884c df = df.loc[df['Age'] &lt;= 100] <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528loc[]\u65b9\u6cd5\u5220\u9664df\u4e2d\u6240\u6709\u5e74\u9f84\u5927\u4e8e100\u5c81\u7684\u884c\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5f02\u5e38\u503c\u5904\u7406\u662f\u6570\u636e\u5206\u6790\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u4e4b\u4e00\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u5f02\u5e38\u503c\uff0c\u5305\u62ec\u4f7f\u7528\u76f4\u65b9\u56fe\u548c\u7bb1\u7ebf\u56fe\u68c0\u67e5\u5f02\u5e38\u503c\uff0c\u4f7f\u7528\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u548cloc[]\u65b9\u6cd5\u5254\u9664\u5f02\u5e38\u503c\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u5f02\u5e38\u503c\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5b57\u7b26\u4e32\u5904\u7406<\/p>\n\n\n\n<p>\u5728\u6570\u636e\u5206\u6790\u4e2d\uff0c\u5b57\u7b26\u4e32\u5904\u7406\u4e5f\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u6b65\u9aa4\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u5b57\u7b26\u4e32\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b57\u7b26\u4e32\u62c6\u5206\uff1a\u4f7f\u7528split()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u62c6\u5206\u4e3a\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u4f7f\u7528split()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u67d0\u4e00\u5217\u7684\u5b57\u7b26\u4e32\u6309\u7167\u7a7a\u683c\u8fdb\u884c\u62c6\u5206\uff1abashCopy code<code># \u5c06df\u4e2dName\u5217\u7684\u5b57\u7b26\u4e32\u6309\u7167\u7a7a\u683c\u8fdb\u884c\u62c6\u5206 df['Name'].str.split(' ', expand=True) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528split()\u65b9\u6cd5\u5c06df\u4e2dName\u5217\u7684\u5b57\u7b26\u4e32\u6309\u7167\u7a7a\u683c\u8fdb\u884c\u62c6\u5206\u3002<\/li>\n\n\n\n<li>\u5b57\u7b26\u4e32\u8fde\u63a5\uff1a\u4f7f\u7528join()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u4f7f\u7528join()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u67d0\u4e24\u5217\u7684\u5b57\u7b26\u4e32\u8fde\u63a5\uff1abashCopy code<code># \u5c06df\u4e2dFirstName\u548cLastName\u4e24\u5217\u7684\u5b57\u7b26\u4e32\u8fde\u63a5 df['FullName'] = df[['FirstName', 'LastName']].apply(lambda x: ''.join(x), axis=1) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528join()\u65b9\u6cd5\u5c06df\u4e2dFirstName\u548cLastName\u4e24\u5217\u7684\u5b57\u7b26\u4e32\u8fde\u63a5\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u50a8\u5728FullName\u5217\u4e2d\u3002<\/li>\n\n\n\n<li>\u5b57\u7b26\u4e32\u66ff\u6362\uff1a\u4f7f\u7528replace()\u65b9\u6cd5\u53ef\u4ee5\u5c06DataFrame\u6216Series\u5bf9\u8c61\u4e2d\u7684\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u5176\u4ed6\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u4f7f\u7528replace()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u67d0\u4e00\u5217\u7684\u5b57\u7b26\u4e32\u4e2d\u7684\u67d0\u4e2a\u5355\u8bcd\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u5355\u8bcd\uff1abashCopy code<code># \u5c06df\u4e2dCity\u5217\u4e2d\u7684\u5b57\u7b26\u4e32\u4e2d\u7684'NY'\u66ff\u6362\u4e3a'New York' df['City'] = df['City'].str.replace('NY', 'New York') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528replace()\u65b9\u6cd5\u5c06df\u4e2dCity\u5217\u4e2d\u7684\u5b57\u7b26\u4e32\u4e2d\u7684&#8217;NY&#8217;\u66ff\u6362\u4e3a&#8217;New York&#8217;\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u5b57\u7b26\u4e32\u5904\u7406\u662f\u6570\u636e\u5206\u6790\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u4e4b\u4e00\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5904\u7406\u5b57\u7b26\u4e32\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\u62c6\u5206\u3001\u5b57\u7b26\u4e32\u8fde\u63a5\u548c\u5b57\u7b26\u4e32\u66ff\u6362\u7b49\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u53d8\u5f62\u4e0e\u5408\u5e76\u5217\u64cd\u4f5c\uff08\u589e\u52a0\/\u5220\u9664\/\u91cd\u547d\u540d\uff09<\/p>\n\n\n\n<p>\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u5217\u64cd\u4f5c\u5728\u6570\u636e\u5206\u6790\u4e2d\u4e5f\u662f\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u5217\u64cd\u4f5c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u53d8\u5f62\uff1a\u4f7f\u7528Pandas\u4e2d\u7684reshape\u548cmelt\u7b49\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u53d8\u5f62\u3002reshape\u65b9\u6cd5\u53ef\u4ee5\u5c06DataFrame\u5bf9\u8c61\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\u6216\u8005\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528pivot_table()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\uff1aperlCopy code<code># \u5c06df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f df_pivot = df.pivot_table(index=['Name'], columns=['Month'], values='Amount') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528pivot_table()\u65b9\u6cd5\u5c06df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\uff0c\u5176\u4e2d&#8217;Name&#8217;\u4e3a\u884c\u7d22\u5f15\uff0c&#8217;Month&#8217;\u4e3a\u5217\u7d22\u5f15\uff0c&#8217;Amount&#8217;\u4e3a\u503c\u3002melt\u65b9\u6cd5\u53ef\u4ee5\u5c06DataFrame\u5bf9\u8c61\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528melt()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\uff1abashCopy code<code># \u5c06df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f df_melt = df.melt(id_vars=['Name'], var_name='Month', value_name='Amount') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528melt()\u65b9\u6cd5\u5c06df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\uff0c\u5176\u4e2d&#8217;Name&#8217;\u4e3a\u56fa\u5b9a\u5217\uff0c&#8217;Month&#8217;\u4e3a\u53ef\u53d8\u5217\uff0c&#8217;Amount&#8217;\u4e3a\u503c\u3002<\/li>\n\n\n\n<li>\u5408\u5e76\u5217\u64cd\u4f5c\uff1a\u4f7f\u7528Pandas\u4e2d\u7684concat\u3001merge\u7b49\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u5408\u5e76\u5217\u64cd\u4f5c\u3002concat\u65b9\u6cd5\u53ef\u4ee5\u5c06\u591a\u4e2aDataFrame\u5bf9\u8c61\u6cbf\u7740\u6307\u5b9a\u8f74\uff08\u884c\u6216\u5217\uff09\u8fdb\u884c\u5408\u5e76\u3002\u4f8b\u5982\uff0c\u4f7f\u7528concat()\u65b9\u6cd5\u5c06\u591a\u4e2aDataFrame\u5bf9\u8c61\u6cbf\u7740\u5217\u8f74\u8fdb\u884c\u5408\u5e76\uff1amakefileCopy code<code># \u6cbf\u7740\u5217\u8f74\u5408\u5e76df1\u548cdf2 df_concat = pd.concat([df1, df2], axis=1) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf1\u548cdf2\u90fd\u662fDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528concat()\u65b9\u6cd5\u5c06\u5b83\u4eec\u6cbf\u7740\u5217\u8f74\u8fdb\u884c\u5408\u5e76\u3002merge\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61\u6309\u7167\u6307\u5b9a\u7684\u5217\u8fdb\u884c\u5408\u5e76\u3002\u4f8b\u5982\uff0c\u4f7f\u7528merge()\u65b9\u6cd5\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61df1\u548cdf2\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76\uff1acsharpCopy code<code># \u5c06df1\u548cdf2\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76 df_merge = pd.merge(df1, df2, on='Name') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf1\u548cdf2\u90fd\u662fDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528merge()\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76\u3002<\/li>\n\n\n\n<li>\u589e\u52a0\u3001\u5220\u9664\u3001\u91cd\u547d\u540d\u5217\u64cd\u4f5c\uff1a\u4f7f\u7528Pandas\u4e2d\u7684assign\u3001drop\u3001rename\u7b49\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u589e\u52a0\u3001\u5220\u9664\u3001\u91cd\u547d\u540d\u5217\u64cd\u4f5c\u3002assign\u65b9\u6cd5\u53ef\u4ee5\u589e\u52a0\u65b0\u7684\u5217\u5230DataFrame\u5bf9\u8c61\u4e2d\u3002\u4f8b\u5982\uff0c\u4f7f\u7528assign()\u65b9\u6cd5\u589e\u52a0\u4e00\u5217\u8ba1\u7b97\u540e\u7684Age\u5217\u5230DataFrame\u5bf9\u8c61df\u4e2d\uff1abashCopy code<code># \u589e\u52a0\u4e00\u5217\u8ba1\u7b97\u540e\u7684Age\u5217\u5230df\u4e2d df = df.assign(Age_new = lambda x: x['Age'] + 10) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528assign()\u65b9\u6cd5\u589e\u52a0\u4e00\u5217\u8ba1\u7b97\u540e\u7684Age\u5217<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u5230DataFrame\u5bf9\u8c61df\u4e2d\uff0c\u5e76\u5c06\u7ed3\u679c\u5b58\u50a8\u5728Age_new\u5217\u4e2d\u3002<\/p>\n\n\n\n<p>drop\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664DataFrame\u5bf9\u8c61\u4e2d\u7684\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528drop()\u65b9\u6cd5\u5220\u9664DataFrame\u5bf9\u8c61df\u4e2d\u7684Age\u5217\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u5220\u9664df\u4e2d\u7684Age\u5217\ndf = df.drop(['Age'], axis=1)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528drop()\u65b9\u6cd5\u5220\u9664df\u4e2d\u7684Age\u5217\u3002<\/p>\n\n\n\n<p>rename\u65b9\u6cd5\u53ef\u4ee5\u91cd\u547d\u540dDataFrame\u5bf9\u8c61\u4e2d\u7684\u5217\u3002\u4f8b\u5982\uff0c\u4f7f\u7528rename()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4e2d\u7684Age\u5217\u91cd\u547d\u540d\u4e3aAge_new\u5217\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u5c06df\u4e2d\u7684Age\u5217\u91cd\u547d\u540d\u4e3aAge_new\u5217\ndf = df.rename(columns={'Age': 'Age_new'})\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528rename()\u65b9\u6cd5\u5c06df\u4e2d\u7684Age\u5217\u91cd\u547d\u540d\u4e3aAge_new\u5217\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u5217\u64cd\u4f5c\u5728\u6570\u636e\u5206\u6790\u4e2d\u975e\u5e38\u5e38\u89c1\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u5217\u64cd\u4f5c\uff0c\u5305\u62ecreshape\u3001melt\u3001concat\u3001merge\u3001assign\u3001drop\u548crename\u7b49\u65b9\u6cd5\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u53d8\u5f62\u4e0e\u5408\u5e76\u884c\u64cd\u4f5c\uff08\u589e\u52a0\/\u5220\u9664\/\u91cd\u6392\uff09<\/p>\n\n\n\n<p>\u9664\u4e86\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u5217\u64cd\u4f5c\u5916\uff0c\u6570\u636e\u5206\u6790\u4e2d\u4e5f\u5e38\u5e38\u9700\u8981\u8fdb\u884c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u884c\u64cd\u4f5c\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u884c\u64cd\u4f5c\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u53d8\u5f62\uff1a\u5728Pandas\u4e2d\uff0creshape\u548cmelt\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u6570\u636e\u53d8\u5f62\u3002reshape\u65b9\u6cd5\u53ef\u4ee5\u5c06DataFrame\u5bf9\u8c61\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\u6216\u8005\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528pivot_table()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\uff1aperlCopy code<code># \u5c06df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f df_pivot = df.pivot_table(index=['Name'], columns=['Month'], values='Amount') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528pivot_table()\u65b9\u6cd5\u5c06df\u4ece\u957f\u683c\u5f0f\u53d8\u6210\u5bbd\u683c\u5f0f\uff0c\u5176\u4e2d&#8217;Name&#8217;\u4e3a\u884c\u7d22\u5f15\uff0c&#8217;Month&#8217;\u4e3a\u5217\u7d22\u5f15\uff0c&#8217;Amount&#8217;\u4e3a\u503c\u3002melt\u65b9\u6cd5\u53ef\u4ee5\u5c06DataFrame\u5bf9\u8c61\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u4f7f\u7528melt()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\uff1abashCopy code<code># \u5c06df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f df_melt = df.melt(id_vars=['Name'], var_name='Month', value_name='Amount') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528melt()\u65b9\u6cd5\u5c06df\u4ece\u5bbd\u683c\u5f0f\u53d8\u6210\u957f\u683c\u5f0f\uff0c\u5176\u4e2d&#8217;Name&#8217;\u4e3a\u56fa\u5b9a\u5217\uff0c&#8217;Month&#8217;\u4e3a\u53ef\u53d8\u5217\uff0c&#8217;Amount&#8217;\u4e3a\u503c\u3002<\/li>\n\n\n\n<li>\u5408\u5e76\u884c\u64cd\u4f5c\uff1a\u5728Pandas\u4e2d\uff0cconcat\u3001merge\u548cappend\u65b9\u6cd5\u4e5f\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u5408\u5e76\u884c\u64cd\u4f5c\u3002concat\u65b9\u6cd5\u53ef\u4ee5\u5c06\u591a\u4e2aDataFrame\u5bf9\u8c61\u6cbf\u7740\u6307\u5b9a\u8f74\uff08\u884c\u6216\u5217\uff09\u8fdb\u884c\u5408\u5e76\u3002\u4f8b\u5982\uff0c\u4f7f\u7528concat()\u65b9\u6cd5\u5c06\u591a\u4e2aDataFrame\u5bf9\u8c61\u6cbf\u7740\u884c\u8f74\u8fdb\u884c\u5408\u5e76\uff1amakefileCopy code<code># \u6cbf\u7740\u884c\u8f74\u5408\u5e76df1\u548cdf2 df_concat = pd.concat([df1, df2]) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf1\u548cdf2\u90fd\u662fDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528concat()\u65b9\u6cd5\u5c06\u5b83\u4eec\u6cbf\u7740\u884c\u8f74\u8fdb\u884c\u5408\u5e76\u3002merge\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61\u6309\u7167\u6307\u5b9a\u7684\u5217\u8fdb\u884c\u5408\u5e76\u3002\u4f8b\u5982\uff0c\u4f7f\u7528merge()\u65b9\u6cd5\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61df1\u548cdf2\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76\uff1acsharpCopy code<code># \u5c06df1\u548cdf2\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76 df_merge = pd.merge(df1, df2, on='Name') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf1\u548cdf2\u90fd\u662fDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528merge()\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167Name\u5217\u8fdb\u884c\u5408\u5e76\u3002append\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e00\u4e2aDataFrame\u5bf9\u8c61\u9644\u52a0\u5230\u53e6\u4e00\u4e2aDataFrame\u5bf9\u8c61\u7684\u672b\u5c3e\u3002\u4f8b\u5982\uff0c\u4f7f\u7528append()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df1\u9644\u52a0\u5230DataFrame\u5bf9\u8c61df2\u7684\u672b\u5c3e\uff1abashCopy code<code># \u5c06df1\u9644\u52a0\u5230df2\u7684\u672b\u5c3e df = df2.append(df1) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf1\u548cdf2\u90fd\u662fDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528append()\u65b9\u6cd5\u5c06df1\u9644\u52a0\u5230df2\u7684\u672b\u5c3e\u3002<\/li>\n\n\n\n<li>\u589e\u52a0\u3001\u5220\u9664\u3001\u91cd\u6392\u884c\u64cd\u4f5c\uff1a\u5728Pandas\u4e2d\uff0c\u4f7f\u7528<\/li>\n<\/ol>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u7d22\u5f15\u548creindex\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u589e\u52a0\u3001\u5220\u9664\u3001\u91cd\u6392\u884c\u64cd\u4f5c\u3002index\u65b9\u6cd5\u53ef\u4ee5\u8bbe\u7f6eDataFrame\u5bf9\u8c61\u7684\u884c\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u4f7f\u7528index()\u65b9\u6cd5\u8bbe\u7f6eDataFrame\u5bf9\u8c61df\u7684\u884c\u7d22\u5f15\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u8bbe\u7f6edf\u7684\u884c\u7d22\u5f15\ndf = df.set_index('Name')\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528set_index()\u65b9\u6cd5\u8bbe\u7f6edf\u7684\u884c\u7d22\u5f15\u4e3aName\u5217\u3002<\/p>\n\n\n\n<p>reindex\u65b9\u6cd5\u53ef\u4ee5\u91cd\u6392DataFrame\u5bf9\u8c61\u7684\u884c\u7d22\u5f15\u3002\u4f8b\u5982\uff0c\u4f7f\u7528reindex()\u65b9\u6cd5\u5c06DataFrame\u5bf9\u8c61df\u7684\u884c\u7d22\u5f15\u6309\u7167\u6307\u5b9a\u7684\u987a\u5e8f\u91cd\u6392\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u6309\u7167\u6307\u5b9a\u7684\u987a\u5e8f\u91cd\u6392df\u7684\u884c\u7d22\u5f15\ndf = df.reindex(['John', 'Mike', 'Amy'])\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528reindex()\u65b9\u6cd5\u5c06df\u7684\u884c\u7d22\u5f15\u6309\u7167\u6307\u5b9a\u7684\u987a\u5e8f\u91cd\u6392\u4e3aJohn\u3001Mike\u548cAmy\u3002<\/p>\n\n\n\n<p>drop\u65b9\u6cd5\u53ef\u4ee5\u5220\u9664DataFrame\u5bf9\u8c61\u4e2d\u7684\u884c\u3002\u4f8b\u5982\uff0c\u4f7f\u7528drop()\u65b9\u6cd5\u5220\u9664DataFrame\u5bf9\u8c61df\u4e2d\u7684John\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u5220\u9664df\u4e2d\u7684John\u884c\ndf = df.drop(['John'])\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0cdf\u662f\u4e00\u4e2aDataFrame\u5bf9\u8c61\uff0c\u4f7f\u7528drop()\u65b9\u6cd5\u5220\u9664df\u4e2d\u7684John\u884c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u884c\u64cd\u4f5c\u5728\u6570\u636e\u5206\u6790\u4e2d\u4e5f\u662f\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002Pandas\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u6570\u636e\u53d8\u5f62\u548c\u5408\u5e76\u884c\u64cd\u4f5c\uff0c\u5305\u62ecreshape\u3001melt\u3001concat\u3001merge\u3001append\u3001index\u3001reindex\u548cdrop\u7b49\u65b9\u6cd5\u3002\u4f7f\u7528\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u60a8\u53ef\u4ee5\u66f4\u597d\u5730\u5904\u7406\u6570\u636e\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u900f\u89c6\u8868<\/p>\n\n\n\n<p>\u6570\u636e\u900f\u89c6\u8868\uff08Pivot Table\uff09\u662f\u4e00\u79cd\u57fa\u4e8e\u591a\u7ef4\u6570\u636e\u5206\u6790\u7684\u6570\u636e\u6c47\u603b\u8868\u683c\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u805a\u5408\u3001\u5206\u7ec4\u3001\u7b5b\u9009\u548c\u6c47\u603b\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684pivot_table\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u751f\u6210\u6570\u636e\u900f\u89c6\u8868\u3002<\/p>\n\n\n\n<p>\u6570\u636e\u900f\u89c6\u8868\u7684\u4f18\u70b9\u5728\u4e8e\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u53d8\u91cf\u7684\u4fe1\u606f\u6c47\u603b\u5230\u4e00\u4e2a\u8868\u683c\u4e2d\uff0c\u5e76\u53ef\u4ee5\u5bf9\u8868\u683c\u8fdb\u884c\u591a\u5c42\u5206\u7ec4\uff0c\u4ece\u800c\u66f4\u65b9\u4fbf\u5730\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528pivot_table\u65b9\u6cd5\u6765\u751f\u6210\u4e00\u4e2a\u57fa\u4e8e\u9500\u552e\u65e5\u671f\u548c\u5730\u533a\u7684\u9500\u552e\u989d\u6570\u636e\u900f\u89c6\u8868\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u751f\u6210\u6570\u636e\u900f\u89c6\u8868\npivot_table = pd.pivot_table(df, values='Sales', index='Date', columns='Region', aggfunc='sum')\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528pivot_table\u65b9\u6cd5\u751f\u6210\u4e86\u4e00\u4e2a\u57fa\u4e8e\u9500\u552e\u65e5\u671f\u548c\u5730\u533a\u7684\u9500\u552e\u989d\u6570\u636e\u900f\u89c6\u8868\u3002\u5728pivot_table\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u6307\u5b9a\u4e86values\u3001index\u3001columns\u548caggfunc\u53c2\u6570\u3002\u5176\u4e2d\uff0cvalues\u53c2\u6570\u8868\u793a\u9700\u8981\u805a\u5408\u7684\u5217\uff0cindex\u53c2\u6570\u8868\u793a\u884c\u7d22\u5f15\uff0ccolumns\u53c2\u6570\u8868\u793a\u5217\u7d22\u5f15\uff0caggfunc\u53c2\u6570\u8868\u793a\u805a\u5408\u51fd\u6570\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u7684\u6570\u636e\u900f\u89c6\u8868\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u4e2a\u4e8c\u7ef4\u8868\u683c\uff0c\u5176\u4e2d\u884c\u4ee3\u8868\u9500\u552e\u65e5\u671f\uff0c\u5217\u4ee3\u8868\u5730\u533a\uff0c\u5355\u5143\u683c\u4e2d\u7684\u503c\u8868\u793a\u8be5\u65e5\u671f\u548c\u5730\u533a\u7684\u9500\u552e\u989d\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5bf9\u6570\u636e\u900f\u89c6\u8868\u8fdb\u884c\u5206\u6790\u548c\u53ef\u89c6\u5316\uff0c\u4f8b\u5982\u4f7f\u7528DataFrame\u7684\u5404\u79cd\u5206\u6790\u51fd\u6570\u548cMatplotlib\u7b49\u53ef\u89c6\u5316\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u900f\u89c6\u8868\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u591a\u7ef4\u6570\u636e\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u805a\u5408\u3001\u5206\u7ec4\u3001\u7b5b\u9009\u548c\u6c47\u603b\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684pivot_table\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u751f\u6210\u6570\u636e\u900f\u89c6\u8868\uff0c\u4e3a\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u63d0\u4f9b\u4e86\u975e\u5e38\u4fbf\u5229\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u5206\u7ec4\uff08Groupby\uff09<\/p>\n\n\n\n<p>\u6570\u636e\u5206\u7ec4\uff08Groupby\uff09\u662f\u4e00\u79cd\u57fa\u4e8e\u67d0\u4e9b\u6807\u51c6\u5c06\u6570\u636e\u96c6\u5408\u5e76\u6210\u82e5\u5e72\u7ec4\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u805a\u5408\u3001\u5206\u7ec4\u3001\u7b5b\u9009\u548c\u6c47\u603b\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684groupby\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u5206\u7ec4\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u5728\u6570\u636e\u5206\u7ec4\u4e2d\uff0c\u901a\u5e38\u9700\u8981\u5148\u6307\u5b9a\u4e00\u4e2a\u6216\u591a\u4e2a\u952e\uff08key\uff09\u4f5c\u4e3a\u5206\u7ec4\u4f9d\u636e\uff0c\u7136\u540e\u5bf9\u6bcf\u4e2a\u5206\u7ec4\u5e94\u7528\u76f8\u5e94\u7684\u805a\u5408\u51fd\u6570\uff08\u5982sum\u3001mean\u3001count\u3001min\u3001max\u7b49\uff09\uff0c\u5f97\u5230\u6bcf\u4e2a\u5206\u7ec4\u7684\u805a\u5408\u7ed3\u679c\u3002\u6700\u540e\uff0c\u53ef\u4ee5\u5c06\u591a\u4e2a\u805a\u5408\u7ed3\u679c\u5408\u5e76\u6210\u4e00\u4e2a\u8868\u683c\uff0c\u5e76\u8fdb\u884c\u53ef\u89c6\u5316\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528groupby\u65b9\u6cd5\u6765\u751f\u6210\u4e00\u4e2a\u57fa\u4e8e\u5730\u533a\u7684\u9500\u552e\u989d\u6570\u636e\u5206\u7ec4\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u751f\u6210\u6570\u636e\u5206\u7ec4\ngrouped = df.groupby('Region')\n\n# \u5bf9\u6bcf\u4e2a\u5206\u7ec4\u5e94\u7528sum\u51fd\u6570\uff0c\u8ba1\u7b97\u603b\u9500\u552e\u989d\nsales_by_region = grouped['Sales'].sum()\n\n# \u663e\u793a\u7ed3\u679c\nprint(sales_by_region)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528groupby\u65b9\u6cd5\u751f\u6210\u4e86\u4e00\u4e2a\u57fa\u4e8e\u5730\u533a\u7684\u9500\u552e\u989d\u6570\u636e\u5206\u7ec4\u3002\u5728groupby\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u6307\u5b9a\u4e86Region\u5217\u4f5c\u4e3a\u5206\u7ec4\u952e\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5bf9\u6bcf\u4e2a\u5206\u7ec4\u5e94\u7528\u4e86sum\u51fd\u6570\uff0c\u8ba1\u7b97\u51fa\u4e86\u6bcf\u4e2a\u5730\u533a\u7684\u603b\u9500\u552e\u989d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print\u51fd\u6570\u5c06\u7ed3\u679c\u663e\u793a\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u7684\u7ed3\u679c\u53ef\u4ee5\u770b\u4f5c\u662f\u4e00\u4e2a\u5355\u5217\u7684DataFrame\uff0c\u5176\u4e2d\u884c\u4ee3\u8868\u5730\u533a\uff0c\u5355\u5143\u683c\u4e2d\u7684\u503c\u8868\u793a\u8be5\u5730\u533a\u7684\u603b\u9500\u552e\u989d\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u6765\u5bf9\u6570\u636e\u5206\u7ec4\u8fdb\u884c\u5206\u6790\u548c\u53ef\u89c6\u5316\uff0c\u4f8b\u5982\u4f7f\u7528DataFrame\u7684\u5404\u79cd\u5206\u6790\u51fd\u6570\u548cMatplotlib\u7b49\u53ef\u89c6\u5316\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u5206\u7ec4\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u6570\u636e\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u805a\u5408\u3001\u5206\u7ec4\u3001\u7b5b\u9009\u548c\u6c47\u603b\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684groupby\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u5206\u7ec4\u64cd\u4f5c\uff0c\u4e3a\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u63d0\u4f9b\u4e86\u975e\u5e38\u4fbf\u5229\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u5408\u5e76\uff08Merge\u3001Join\u3001Concat\uff09<\/p>\n\n\n\n<p>\u6570\u636e\u5408\u5e76\u662f\u5c06\u4e24\u4e2a\u6216\u591a\u4e2aDataFrame\u5bf9\u8c61\u5408\u5e76\u6210\u4e00\u4e2a\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u5408\u5e76\u3001\u62fc\u63a5\u3001\u5339\u914d\u548c\u6574\u5408\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684merge\u3001join\u548cconcat\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u5408\u5e76\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>merge\u65b9\u6cd5\uff1amerge\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u5217\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61\u5408\u5e76\u6210\u4e00\u4e2a\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2aDataFrame\u5bf9\u8c61df1\u548cdf2\uff0c\u5b83\u4eec\u5206\u522b\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528merge\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76\uff1acsharpCopy code<code>import pandas as pd # \u8bfb\u53d6\u6570\u636e\u96c6 df1 = pd.read_csv('sales_data1.csv') df2 = pd.read_csv('sales_data2.csv') # \u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76 merged = pd.merge(df1, df2, on='OrderNumber') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e24\u4e2aDataFrame\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528merge\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76\u3002<\/li>\n\n\n\n<li>join\u65b9\u6cd5\uff1ajoin\u65b9\u6cd5\u53ef\u4ee5\u6839\u636e\u6307\u5b9a\u7684\u5217\u5c06\u4e24\u4e2aDataFrame\u5bf9\u8c61\u5408\u5e76\u6210\u4e00\u4e2a\uff0c\u5e76\u4e14\u652f\u6301\u591a\u79cd\u4e0d\u540c\u7684\u5408\u5e76\u65b9\u5f0f\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2aDataFrame\u5bf9\u8c61df1\u548cdf2\uff0c\u5b83\u4eec\u5206\u522b\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528join\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76\uff0c\u5e76\u4e14\u4f7f\u7528\u5de6\u8fde\u63a5\u65b9\u5f0f\uff1acsharpCopy code<code>import pandas as pd # \u8bfb\u53d6\u6570\u636e\u96c6 df1 = pd.read_csv('sales_data1.csv') df2 = pd.read_csv('sales_data2.csv') # \u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76\uff0c\u5e76\u4f7f\u7528\u5de6\u8fde\u63a5\u65b9\u5f0f joined = df1.join(df2.set_index('OrderNumber'), on='OrderNumber', how='left') <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e24\u4e2aDataFrame\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528join\u65b9\u6cd5\u5c06\u5b83\u4eec\u6309\u7167\u8ba2\u5355\u53f7\u5217\u8fdb\u884c\u5408\u5e76\uff0c\u5e76\u4e14\u4f7f\u7528\u5de6\u8fde\u63a5\u65b9\u5f0f\u3002<\/li>\n\n\n\n<li>concat\u65b9\u6cd5\uff1aconcat\u65b9\u6cd5\u53ef\u4ee5\u5c06\u4e24\u4e2a\u6216\u591a\u4e2aDataFrame\u5bf9\u8c61\u6cbf\u7740\u6307\u5b9a\u8f74\uff08\u884c\u6216\u5217\uff09\u8fdb\u884c\u5408\u5e76\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2aDataFrame\u5bf9\u8c61df1\u548cdf2\uff0c\u5b83\u4eec\u5206\u522b\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528concat\u65b9\u6cd5\u5c06\u5b83\u4eec\u6cbf\u7740\u884c\u8f74\u8fdb\u884c\u5408\u5e76\uff1apythonCopy code<code>import pandas as pd # \u8bfb\u53d6\u6570\u636e\u96c6 df1 = pd.read_csv('sales_data1.csv') df2 = pd.read_csv('sales_data2.csv') # \u6cbf\u7740\u884c\u8f74\u8fdb\u884c\u5408\u5e76 concatenated = pd.concat([df1, df2]) <\/code>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e24\u4e2aDataFrame\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528concat\u65b9\u6cd5\u5c06\u5b83\u4eec\u6cbf\u7740\u884c\u8f74\u8fdb\u884c\u5408\u5e76\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u5408\u5e76\u662f\u5c06\u4e24\u4e2a\u6216\u591a\u4e2aDataFrame\u5bf9\u8c61\u5408\u5e76\u6210\u4e00\u4e2a\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u5408\u5e76\u3001\u62fc\u63a5\u3001\u5339\u914d\u548c\u6574\u5408\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684merge\u3001join\u548cconcat\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u5408\u5e76\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6570\u636e\u5408\u5e76\u64cd\u4f5c\u9700\u8981\u6ce8\u610f\u4e24\u4e2a\u5173\u952e\u53c2\u6570\uff1a\u5408\u5e76\u952e\u548c\u5408\u5e76\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u5408\u5e76\u952e\u6307\u7684\u662f\u5728\u5408\u5e76\u65f6\u8981\u5339\u914d\u7684\u5217\uff0c\u901a\u5e38\u662f\u4e24\u4e2aDataFrame\u5bf9\u8c61\u5171\u540c\u62e5\u6709\u7684\u5217\u3002\u5728\u4f7f\u7528merge\u548cjoin\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5408\u5e76\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5408\u5e76\u952e\u3002<\/p>\n\n\n\n<p>\u5408\u5e76\u65b9\u5f0f\u6307\u7684\u662f\u5408\u5e76\u65f6\u7684\u65b9\u5f0f\uff0c\u901a\u5e38\u6709\u56db\u79cd\u65b9\u5f0f\uff1a\u5185\u8fde\u63a5\uff08inner\uff09\u3001\u5de6\u8fde\u63a5\uff08left\uff09\u3001\u53f3\u8fde\u63a5\uff08right\uff09\u548c\u5916\u8fde\u63a5\uff08outer\uff09\u3002\u5185\u8fde\u63a5\u8868\u793a\u53ea\u4fdd\u7559\u5339\u914d\u7684\u884c\uff0c\u5de6\u8fde\u63a5\u8868\u793a\u4fdd\u7559\u5de6\u8fb9\u7684\u6240\u6709\u884c\u4ee5\u53ca\u4e0e\u53f3\u8fb9\u5339\u914d\u7684\u884c\uff0c\u53f3\u8fde\u63a5\u8868\u793a\u4fdd\u7559\u53f3\u8fb9\u7684\u6240\u6709\u884c\u4ee5\u53ca\u4e0e\u5de6\u8fb9\u5339\u914d\u7684\u884c\uff0c\u5916\u8fde\u63a5\u8868\u793a\u4fdd\u7559\u5de6\u53f3\u4e24\u8fb9\u7684\u6240\u6709\u884c\uff0c\u5339\u914d\u4e0d\u5230\u7684\u884c\u7528NaN\u586b\u5145\u3002<\/p>\n\n\n\n<p>\u5728\u4f7f\u7528merge\u548cjoin\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5408\u5e76\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u5408\u5e76\u65b9\u5f0f\uff0c\u800c\u5728\u4f7f\u7528concat\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5408\u5e76\u65f6\uff0c\u5219\u4e0d\u9700\u8981\u6307\u5b9a\u5408\u5e76\u65b9\u5f0f\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u5408\u5e76\u662f\u4e00\u79cd\u975e\u5e38\u6709\u7528\u7684\u6570\u636e\u64cd\u4f5c\u5de5\u5177\uff0c\u53ef\u4ee5\u7528\u4e8e\u5728\u4e00\u4e2aDataFrame\u4e2d\u5bf9\u6570\u636e\u8fdb\u884c\u5408\u5e76\u3001\u62fc\u63a5\u3001\u5339\u914d\u548c\u6574\u5408\u7b49\u64cd\u4f5c\u3002Pandas\u4e2d\u7684merge\u3001join\u548cconcat\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5b9e\u73b0\u6570\u636e\u5408\u5e76\u64cd\u4f5c\uff0c\u4e3a\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u63d0\u4f9b\u4e86\u975e\u5e38\u4fbf\u5229\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u63cf\u8ff0\u6027\u7edf\u8ba1<\/p>\n\n\n\n<p>\u63cf\u8ff0\u6027\u7edf\u8ba1\uff08Descriptive Statistics\uff09\u662f\u4e00\u79cd\u7528\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u6982\u62ec\u548c\u63cf\u8ff0\u7684\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u7edf\u8ba1\u6307\u6807\u6765\u63cf\u8ff0\u6570\u636e\u7684\u4e2d\u5fc3\u8d8b\u52bf\u3001\u53d8\u5f02\u7a0b\u5ea6\u548c\u5206\u5e03\u5f62\u6001\u7b49\u4fe1\u606f\uff0c\u4ece\u800c\u5bf9\u6570\u636e\u8fdb\u884c\u6709\u6548\u7684\u5206\u6790\u548c\u89e3\u91ca\u3002Pandas\u4e2d\u7684describe\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u63cf\u8ff0\u6027\u7edf\u8ba1\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u5e38\u7528\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u6307\u6807\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u4e2d\u5fc3\u8d8b\u52bf\u6307\u6807\uff1a\u4e2d\u5fc3\u8d8b\u52bf\u6307\u6807\u7528\u4e8e\u8868\u793a\u6570\u636e\u7684\u4e2d\u5fc3\u4f4d\u7f6e\uff0c\u5305\u62ec\u5747\u503c\uff08Mean\uff09\u3001\u4e2d\u4f4d\u6570\uff08Median\uff09\u548c\u4f17\u6570\uff08Mode\uff09\u7b49\u3002\u5176\u4e2d\uff0c\u5747\u503c\u662f\u6240\u6709\u6570\u636e\u7684\u7b97\u672f\u5e73\u5747\u503c\uff0c\u4e2d\u4f4d\u6570\u662f\u5c06\u6240\u6709\u6570\u636e\u6309\u7167\u5927\u5c0f\u6392\u5e8f\u540e\u7684\u4e2d\u95f4\u503c\uff0c\u4f17\u6570\u662f\u51fa\u73b0\u6b21\u6570\u6700\u591a\u7684\u6570\u503c\u3002<\/li>\n\n\n\n<li>\u53d8\u5f02\u7a0b\u5ea6\u6307\u6807\uff1a\u53d8\u5f02\u7a0b\u5ea6\u6307\u6807\u7528\u4e8e\u8868\u793a\u6570\u636e\u7684\u79bb\u6563\u7a0b\u5ea6\uff0c\u5305\u62ec\u6807\u51c6\u5dee\uff08Standard Deviation\uff09\u3001\u65b9\u5dee\uff08Variance\uff09\u548c\u6781\u5dee\uff08Range\uff09\u7b49\u3002\u5176\u4e2d\uff0c\u6807\u51c6\u5dee\u662f\u6240\u6709\u6570\u636e\u504f\u79bb\u5747\u503c\u7684\u5e73\u5747\u7a0b\u5ea6\uff0c\u65b9\u5dee\u662f\u6807\u51c6\u5dee\u7684\u5e73\u65b9\uff0c\u6781\u5dee\u662f\u6570\u636e\u7684\u6700\u5927\u503c\u4e0e\u6700\u5c0f\u503c\u4e4b\u5dee\u3002<\/li>\n\n\n\n<li>\u5206\u5e03\u5f62\u6001\u6307\u6807\uff1a\u5206\u5e03\u5f62\u6001\u6307\u6807\u7528\u4e8e\u8868\u793a\u6570\u636e\u7684\u5206\u5e03\u5f62\u6001\uff0c\u5305\u62ec\u504f\u5ea6\uff08Skewness\uff09\u548c\u5cf0\u5ea6\uff08Kurtosis\uff09\u7b49\u3002\u5176\u4e2d\uff0c\u504f\u5ea6\u7528\u4e8e\u8868\u793a\u6570\u636e\u5206\u5e03\u7684\u504f\u659c\u7a0b\u5ea6\uff0c\u504f\u5ea6\u503c\u4e3a\u6b63\u8868\u793a\u6570\u636e\u53f3\u504f\uff0c\u4e3a\u8d1f\u8868\u793a\u6570\u636e\u5de6\u504f\uff0c\u4e3a0\u8868\u793a\u6570\u636e\u5206\u5e03\u5bf9\u79f0\uff1b\u5cf0\u5ea6\u7528\u4e8e\u8868\u793a\u6570\u636e\u5206\u5e03\u7684\u5c16\u9510\u7a0b\u5ea6\uff0c\u5cf0\u5ea6\u503c\u5927\u4e8e3\u8868\u793a\u6570\u636e\u5206\u5e03\u6bd4\u6b63\u6001\u5206\u5e03\u66f4\u5c16\u9510\uff0c\u5c0f\u4e8e3\u8868\u793a\u6570\u636e\u5206\u5e03\u6bd4\u6b63\u6001\u5206\u5e03\u66f4\u5e73\u7f13\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528describe\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u63cf\u8ff0\u6027\u7edf\u8ba1\u5206\u6790\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u5bf9\u9500\u552e\u989d\u8fdb\u884c\u63cf\u8ff0\u6027\u7edf\u8ba1\u5206\u6790\nsales_summary = df['Sales'].describe()\n\n# \u663e\u793a\u7ed3\u679c\nprint(sales_summary)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528describe\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u63cf\u8ff0\u6027\u7edf\u8ba1\u5206\u6790\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print\u51fd\u6570\u5c06\u7ed3\u679c\u663e\u793a\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u7684\u7ed3\u679c\u5305\u542b\u4e86\u9500\u552e\u989d\u7684\u5747\u503c\u3001\u6807\u51c6\u5dee\u3001\u6700\u5c0f\u503c\u3001\u6700\u5927\u503c\u300125%\u5206\u4f4d\u6570\u300150%\u5206\u4f4d\u6570\u548c75%\u5206\u4f4d\u6570\u7b49\u7edf\u8ba1\u6307\u6807\uff0c\u53ef\u4ee5\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6982\u62ec\u548c\u63cf\u8ff0\uff0c\u4e3a\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u63d0\u4f9b\u4e86\u975e\u5e38\u4fbf\u5229\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u63cf\u8ff0\u6027\u7edf\u8ba1\u662f\u4e00\u79cd\u7528\u6765\u5bf9\u6570\u636e\u8fdb\u884c\u6982\u62ec\u548c<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>\u63cf\u8ff0\u7684\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\uff0c\u53ef\u4ee5\u901a\u8fc7\u5404\u79cd\u7edf\u8ba1\u6307\u6807\u6765\u63cf\u8ff0\u6570\u636e\u7684\u4e2d\u5fc3\u8d8b\u52bf\u3001\u53d8\u5f02\u7a0b\u5ea6\u548c\u5206\u5e03\u5f62\u6001\u7b49\u4fe1\u606f\u3002Pandas\u4e2d\u7684describe\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u8fdb\u884c\u63cf\u8ff0\u6027\u7edf\u8ba1\u5206\u6790\u3002\u9664\u4e86describe\u65b9\u6cd5\uff0cPandas\u8fd8\u63d0\u4f9b\u4e86\u8bb8\u591a\u5176\u4ed6\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u51fd\u6570\uff0c\u4f8b\u5982mean\u3001median\u3001mode\u3001std\u3001var\u3001skew\u548ckurt\u7b49\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8ba1\u7b97\u5404\u79cd\u7edf\u8ba1\u6307\u6807\u3002<\/p>\n\n\n\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u63cf\u8ff0\u6027\u7edf\u8ba1\u53ea\u80fd\u5bf9\u6570\u636e\u8fdb\u884c\u6982\u62ec\u548c\u63cf\u8ff0\uff0c\u5e76\u4e0d\u80fd\u8fdb\u884c\u63a8\u65ad\u6027\u7edf\u8ba1\u5206\u6790\uff0c\u4e0d\u80fd\u7528\u6765\u63a8\u65ad\u603b\u4f53\u53c2\u6570\u7684\u5177\u4f53\u503c\u6216\u8fdb\u884c\u5047\u8bbe\u68c0\u9a8c\u7b49\u64cd\u4f5c\u3002\u56e0\u6b64\uff0c\u5728\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u51b3\u7b56\u65f6\uff0c\u9700\u8981\u7ed3\u5408\u5176\u4ed6\u7edf\u8ba1\u65b9\u6cd5\u548c\u5de5\u5177\u8fdb\u884c\u7efc\u5408\u5206\u6790\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u63cf\u8ff0\u6027\u7edf\u8ba1\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6982\u62ec\u548c\u63cf\u8ff0\uff0c\u4e3a\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u51b3\u7b56\u63d0\u4f9b\u975e\u5e38\u91cd\u8981\u7684\u53c2\u8003\u3002Pandas\u63d0\u4f9b\u4e86\u8bb8\u591a\u65b9\u4fbf\u7684\u63cf\u8ff0\u6027\u7edf\u8ba1\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u53ef\u4ee5\u65b9\u4fbf\u5730\u8ba1\u7b97\u5404\u79cd\u7edf\u8ba1\u6307\u6807\uff0c\u5e76\u4e14\u4e0e\u5176\u4ed6\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u5de5\u5177\u7ed3\u5408\u4f7f\u7528\uff0c\u53ef\u4ee5\u8fdb\u884c\u66f4\u52a0\u6df1\u5165\u548c\u5168\u9762\u7684\u6570\u636e\u5206\u6790\u548c\u89e3\u91ca\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6392\u5e8f<\/p>\n\n\n\n<p>\u6392\u5e8f\u662f\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u548c\u6392\u5217\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6309\u7167\u6307\u5b9a\u7684\u5217\u6216\u884c\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4e14\u652f\u6301\u5347\u5e8f\u548c\u964d\u5e8f\u6392\u5217\u3002\u5728\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u4e2d\uff0c\u6392\u5e8f\u64cd\u4f5c\u7ecf\u5e38\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u540d\u548c\u5c55\u793a\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5206\u6790\u548c\u89e3\u91ca\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sort_values\u65b9\u6cd5\u5bf9DataFrame\u5bf9\u8c61\u8fdb\u884c\u6392\u5e8f\u64cd\u4f5c\u3002sort_values\u65b9\u6cd5\u53ef\u4ee5\u6309\u7167\u6307\u5b9a\u7684\u5217\u6216\u884c\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4e14\u652f\u6301\u5347\u5e8f\u548c\u964d\u5e8f\u6392\u5217\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528sort_values\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u6392\u5e8f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u6309\u7167\u9500\u552e\u989d\u964d\u5e8f\u6392\u5e8f\ndf_sorted = df.sort_values(by='Sales', ascending=False)\n\n# \u663e\u793a\u7ed3\u679c\nprint(df_sorted.head(10))\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528sort_values\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u4e2dby\u53c2\u6570\u6307\u5b9a\u6309\u7167\u9500\u552e\u989d\u5217\u8fdb\u884c\u6392\u5e8f\uff0cascending\u53c2\u6570\u6307\u5b9a\u6309\u7167\u964d\u5e8f\u6392\u5217\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528head\u65b9\u6cd5\u663e\u793a\u6392\u5e8f\u540e\u7684\u524d10\u884c\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u6309\u7167\u6307\u5b9a\u5217\u8fdb\u884c\u6392\u5e8f\uff0csort_values\u65b9\u6cd5\u8fd8\u652f\u6301\u591a\u5217\u6392\u5e8f\u548c\u81ea\u5b9a\u4e49\u6392\u5e8f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u5217\u6392\u5e8f\u5bf9\u6570\u636e\u8fdb\u884c\u66f4\u52a0\u7cbe\u7ec6\u7684\u6392\u5e8f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u6309\u7167\u9500\u552e\u989d\u548c\u9500\u552e\u65e5\u671f\u8fdb\u884c\u6392\u5e8f\ndf_sorted = df.sort_values(by=['Sales', 'OrderDate'], ascending=[False, True])\n\n# \u663e\u793a\u7ed3\u679c\nprint(df_sorted.head(10))\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528sort_values\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u548c\u9500\u552e\u65e5\u671f\u8fdb\u884c\u6392\u5e8f\uff0c\u5176\u4e2dby\u53c2\u6570\u6307\u5b9a\u6309\u7167\u9500\u552e\u989d\u548c\u9500\u552e\u65e5\u671f\u5217\u8fdb\u884c\u6392\u5e8f\uff0cascending\u53c2\u6570\u6307\u5b9a\u6309\u7167\u964d\u5e8f\u548c\u5347\u5e8f\u6392\u5217\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528head\u65b9\u6cd5\u663e\u793a\u6392\u5e8f\u540e\u7684\u524d10\u884c\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u9664\u4e86sort_values\u65b9\u6cd5\uff0cPandas\u8fd8\u63d0\u4f9b\u4e86sort_index\u65b9\u6cd5\u548cnlargest\/nsmallest\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\u64cd\u4f5c\u3002sort_index\u65b9\u6cd5\u53ef\u4ee5\u6309\u7167\u7d22\u5f15\u503c\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u800cnlargest\/nsmallest\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u53d6\u51faDataFrame\u5bf9\u8c61\u4e2d\u7684\u6700\u5927\u6216\u6700\u5c0f\u503c\u3002\u8fd9\u4e9b\u6392\u5e8f\u51fd\u6570\u548c\u65b9\u6cd5\u5728\u6570\u636e\u5206\u6790\u548c\u53ef\u89c6\u5316\u4e2d\u90fd\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6392\u5e8f\u662f\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u548c\u6392\u5217\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u6309\u7167\u6307\u5b9a\u7684\u5217\u6216\u884c\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\uff0c\u5e76\u4e14\u652f\u6301\u5347\u5e8f\u548c\u964d\u5e8f\u6392\u5217\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528sort_values\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\u64cd\u4f5c\uff0c\u540c\u65f6\u8fd8\u53ef\u4ee5\u4f7f\u7528sort_index\u65b9\u6cd5\u548cnlargest\/nsmallest\u65b9\u6cd5\u8fdb\u884c\u6392\u5e8f\u64cd\u4f5c\u3002\u6392\u5e8f\u64cd\u4f5c\u7ecf\u5e38\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u540d\u548c\u5c55\u793a\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u5206\u6790\u548c\u89e3\u91ca\u6570\u636e\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u76f8\u5173\u6027\u5206\u6790<\/p>\n\n\n\n<p>\u76f8\u5173\u6027\u5206\u6790\uff08Correlation Analysis\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5206\u6790\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u4e4b\u95f4\u5173\u7cfb\u7684\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u548c\u65b9\u5411\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u9884\u6d4b\u548c\u63a2\u7d22\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528corr\u65b9\u6cd5\u8ba1\u7b97DataFrame\u5bf9\u8c61\u4e2d\u5404\u5217\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u3002\u76f8\u5173\u7cfb\u6570\u53ef\u4ee5\u8861\u91cf\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u548c\u65b9\u5411\uff0c\u53d6\u503c\u8303\u56f4\u5728-1\u52301\u4e4b\u95f4\uff0c\u7edd\u5bf9\u503c\u8d8a\u63a5\u8fd11\u8868\u793a\u76f8\u5173\u6027\u8d8a\u5f3a\uff0c\u7edd\u5bf9\u503c\u8d8a\u63a5\u8fd10\u8868\u793a\u76f8\u5173\u6027\u8d8a\u5f31\u3002\u5176\u4e2d\uff0c\u6b63\u76f8\u5173\u8868\u793a\u4e24\u4e2a\u53d8\u91cf\u7684\u53d8\u5316\u8d8b\u52bf\u4e00\u81f4\uff0c\u8d1f\u76f8\u5173\u8868\u793a\u4e24\u4e2a\u53d8\u91cf\u7684\u53d8\u5316\u8d8b\u52bf\u76f8\u53cd\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u6210\u672c\u3001\u5229\u6da6\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528corr\u65b9\u6cd5\u8ba1\u7b97\u9500\u552e\u989d\u3001\u6210\u672c\u548c\u5229\u6da6\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u8ba1\u7b97\u9500\u552e\u989d\u3001\u6210\u672c\u548c\u5229\u6da6\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\ncorrelations = df[['Sales', 'Cost', 'Profit']].corr()\n\n# \u663e\u793a\u7ed3\u679c\nprint(correlations)\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528corr\u65b9\u6cd5\u8ba1\u7b97\u9500\u552e\u989d\u3001\u6210\u672c\u548c\u5229\u6da6\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528print\u51fd\u6570\u5c06\u7ed3\u679c\u663e\u793a\u51fa\u6765\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u7684\u7ed3\u679c\u5305\u542b\u4e86\u9500\u552e\u989d\u3001\u6210\u672c\u548c\u5229\u6da6\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u77e9\u9635\uff0c\u53ef\u4ee5\u7528\u4e8e\u5bf9\u6570\u636e\u8fdb\u884c\u76f8\u5173\u6027\u5206\u6790\u548c\u89e3\u91ca\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u9500\u552e\u989d\u548c\u5229\u6da6\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u4e3a0.83\uff0c\u8868\u793a\u4e24\u8005\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u6bd4\u8f83\u5f3a\uff1b\u800c\u9500\u552e\u989d\u548c\u6210\u672c\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u4e3a0.64\uff0c\u8868\u793a\u4e24\u8005\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u6bd4\u8f83\u5f31\u3002<\/p>\n\n\n\n<p>\u9664\u4e86corr\u65b9\u6cd5\uff0cPandas\u8fd8\u63d0\u4f9b\u4e86\u5176\u4ed6\u7684\u76f8\u5173\u6027\u5206\u6790\u51fd\u6570\u548c\u65b9\u6cd5\uff0c\u4f8b\u5982cov\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97DataFrame\u5bf9\u8c61\u4e2d\u5404\u5217\u4e4b\u95f4\u7684\u534f\u65b9\u5dee\uff0cpearsonr\u65b9\u6cd5\u53ef\u4ee5\u8ba1\u7b97\u4e24\u4e2a\u53d8\u91cf\u4e4b\u95f4\u7684\u76ae\u5c14\u900a\u76f8\u5173\u7cfb\u6570\u7b49\u3002\u8fd9\u4e9b\u76f8\u5173\u6027\u5206\u6790\u51fd\u6570\u548c\u65b9\u6cd5\u53ef\u4ee5\u65b9\u4fbf\u5730\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u6570\u636e\u5206\u6790\u548c\u89e3\u91ca\uff0c\u4ece\u800c\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u548c\u8d8b\u52bf\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u76f8\u5173\u6027\u5206\u6790\u662f\u4e00\u79cd\u7528\u4e8e\u5206\u6790\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u4e4b\u95f4\u5173\u7cfb\u7684\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\uff0c\u5728Pandas\u4e2d\u53ef\u4ee5\u4f7f\u7528corr\u65b9\u6cd5\u8ba1\u7b97DataFrame\u5bf9\u8c61\u4e2d\u5404\u5217\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\u3002\u76f8\u5173\u7cfb\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u4e86\u89e3\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u548c\u65b9\u5411\uff0c\u5e76\u4e14\u53ef\u4ee5\u7528\u4e8e\u9884\u6d4b\u548c\u63a2\u7d22\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u7a97\u53e3\u51fd\u6570<\/p>\n\n\n\n<p>\u7a97\u53e3\u51fd\u6570\uff08Window Function\uff09\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u7684\u51fd\u6570\uff0c\u5b83\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u8ba1\u7b97\uff0c\u4ece\u800c\u5f97\u5230\u66f4\u52a0\u7cbe\u7ec6\u7684\u6570\u636e\u5904\u7406\u7ed3\u679c\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528rolling\u65b9\u6cd5\u5bf9DataFrame\u5bf9\u8c61\u4e2d\u7684\u5217\u8fdb\u884c\u7a97\u53e3\u51fd\u6570\u8ba1\u7b97\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u6765\u8bf4\uff0crolling\u65b9\u6cd5\u53ef\u4ee5\u5bf9\u6307\u5b9a\u7684\u5217\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u8ba1\u7b97\uff0c\u8ba1\u7b97\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u7edf\u8ba1\u51fd\u6570\uff0c\u4f8b\u5982mean\u3001sum\u3001std\u3001var\u7b49\uff0c\u7528\u4e8e\u8ba1\u7b97\u7a97\u53e3\u5185\u6570\u636e\u7684\u7edf\u8ba1\u6307\u6807\u3002rolling\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u6307\u5b9a\u7a97\u53e3\u5927\u5c0f\u548c\u7a97\u53e3\u79fb\u52a8\u8ddd\u79bb\uff0c\u4ee5\u4fbf\u66f4\u52a0\u7cbe\u7ec6\u5730\u63a7\u5236\u7a97\u53e3\u51fd\u6570\u7684\u8ba1\u7b97\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528rolling\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u8ba1\u7b97\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u8ba2\u5355\u7684\u524d7\u5929\u9500\u552e\u989d\u7684\u5e73\u5747\u503c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u8ba1\u7b97\u6ed1\u52a8\u7a97\u53e3\u5e73\u5747\u503c\nrolling_mean = df['Sales'].rolling(window=7).mean()\n\n# \u663e\u793a\u7ed3\u679c\nprint(rolling_mean.head(10))\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528rolling\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u8ba1\u7b97\uff0c\u5176\u4e2dwindow\u53c2\u6570\u6307\u5b9a\u4e86\u7a97\u53e3\u5927\u5c0f\u4e3a7\uff0c\u8868\u793a\u8ba1\u7b97\u6bcf\u4e2a\u8ba2\u5355\u7684\u524d7\u5929\u9500\u552e\u989d\u7684\u5e73\u5747\u503c\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528head\u65b9\u6cd5\u663e\u793a\u8ba1\u7b97\u7ed3\u679c\u7684\u524d10\u884c\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u9664\u4e86mean\u65b9\u6cd5\uff0crolling\u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u7684\u7edf\u8ba1\u51fd\u6570\uff0c\u4f8b\u5982sum\u3001std\u3001var\u7b49\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u51fd\u6570\u8fdb\u884c\u8ba1\u7b97\u3002rolling\u65b9\u6cd5\u8fd8\u652f\u6301\u7a97\u53e3\u79fb\u52a8\u8ddd\u79bb\u7684\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8c03\u6574\u7a97\u53e3\u7684\u6ed1\u52a8\u901f\u5ea6\uff0c\u4ee5\u4fbf\u66f4\u52a0\u7cbe\u7ec6\u5730\u63a7\u5236\u7a97\u53e3\u51fd\u6570\u7684\u8ba1\u7b97\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u7a97\u53e3\u51fd\u6570\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u7528\u4e8e\u6570\u636e\u5206\u6790\u548c\u5904\u7406\u7684\u51fd\u6570\uff0c\u53ef\u4ee5\u5bf9\u6570\u636e\u8fdb\u884c\u6ed1\u52a8\u7a97\u53e3\u8ba1\u7b97\uff0c\u4ece\u800c\u5f97\u5230\u66f4\u52a0\u7cbe\u7ec6\u7684\u6570\u636e\u5904\u7406\u7ed3\u679c\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528rolling\u65b9\u6cd5\u5bf9DataFrame\u5bf9\u8c61\u4e2d\u7684\u5217\u8fdb\u884c\u7a97\u53e3\u51fd\u6570\u8ba1\u7b97\uff0c\u652f\u6301\u5404\u79cd\u7edf\u8ba1\u51fd\u6570\u548c\u7a97\u53e3\u5927\u5c0f\u548c\u79fb\u52a8\u8ddd\u79bb\u7684\u8bbe\u7f6e\uff0c\u65b9\u4fbf\u8fdb\u884c\u5404\u79cd\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u4f7f\u7528Pandas\u5185\u7f6e\u7ed8\u56fe\u529f\u80fd<\/p>\n\n\n\n<p>Pandas\u5185\u7f6e\u4e86\u4e00\u4e9b\u7ed8\u56fe\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u548c\u5206\u6790\u3002\u8fd9\u4e9b\u7ed8\u56fe\u529f\u80fd\u901a\u5e38\u90fd\u662f\u57fa\u4e8eMatplotlib\u5b9e\u73b0\u7684\uff0c\u53ef\u4ee5\u5feb\u901f\u65b9\u4fbf\u5730\u7ed8\u5236\u5404\u79cd\u5e38\u89c1\u7684\u56fe\u8868\uff0c\u4f8b\u5982\u76f4\u65b9\u56fe\u3001\u6298\u7ebf\u56fe\u3001\u6563\u70b9\u56fe\u7b49\u3002<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u5bf9DataFrame\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u7ed8\u56fe\u3002plot\u65b9\u6cd5\u652f\u6301\u5404\u79cd\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8bbe\u7f6e\uff0c\u4ee5\u4fbf\u6ee1\u8db3\u4e0d\u540c\u7684\u7ed8\u56fe\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u6210\u672c\u3001\u5229\u6da6\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u548c\u5229\u6da6\u8fdb\u884c\u6298\u7ebf\u56fe\u5c55\u793a\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\nimport matplotlib.pyplot as plt\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u7ed8\u5236\u9500\u552e\u989d\u548c\u5229\u6da6\u7684\u6298\u7ebf\u56fe\ndf[['Sales', 'Profit']].plot()\n\n# \u663e\u793a\u56fe\u5f62\nplt.show()\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528plot\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u548c\u5229\u6da6\u8fdb\u884c\u6298\u7ebf\u56fe\u5c55\u793a\u3002\u5176\u4e2d\uff0c\u53cc\u65b9\u62ec\u53f7\u7528\u4e8e\u9009\u62e9\u9700\u8981\u5c55\u793a\u7684\u5217\uff0cplot\u65b9\u6cd5\u9ed8\u8ba4\u6309\u7167\u7d22\u5f15\u503c\u7ed8\u5236\u6298\u7ebf\u56fe\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528show\u65b9\u6cd5\u663e\u793a\u7ed8\u5236\u7684\u56fe\u5f62\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u6298\u7ebf\u56fe\uff0cplot\u65b9\u6cd5\u8fd8\u652f\u6301\u5176\u4ed6\u7684\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8bbe\u7f6e\uff0c\u4f8b\u5982\u67f1\u72b6\u56fe\u3001\u6563\u70b9\u56fe\u3001\u76f4\u65b9\u56fe\u7b49\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8fdb\u884c\u7ed8\u5236\u3002\u6b64\u5916\uff0cplot\u65b9\u6cd5\u8fd8\u53ef\u4ee5\u652f\u6301\u5b50\u56fe\u7ed8\u5236\u3001\u6807\u7b7e\u8bbe\u7f6e\u3001\u6807\u9898\u8bbe\u7f6e\u7b49\u9ad8\u7ea7\u529f\u80fd\uff0c\u65b9\u4fbf\u8fdb\u884c\u590d\u6742\u7684\u7ed8\u56fe\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u5185\u7f6e\u4e86\u4e00\u4e9b\u7ed8\u56fe\u529f\u80fd\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u548c\u5206\u6790\u3002\u8fd9\u4e9b\u7ed8\u56fe\u529f\u80fd\u901a\u5e38\u90fd\u662f\u57fa\u4e8eMatplotlib\u5b9e\u73b0\u7684\uff0c\u53ef\u4ee5\u5feb\u901f\u65b9\u4fbf\u5730\u7ed8\u5236\u5404\u79cd\u5e38\u89c1\u7684\u56fe\u8868\uff0c\u4f8b\u5982\u76f4\u65b9\u56fe\u3001\u6298\u7ebf\u56fe\u3001\u6563\u70b9\u56fe\u7b49\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u5bf9DataFrame\u5bf9\u8c61\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u7ed8\u56fe\uff0c\u652f\u6301\u5404\u79cd\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8bbe\u7f6e\uff0c\u4ee5\u4fbf\u6ee1\u8db3\u4e0d\u540c\u7684\u7ed8\u56fe\u9700\u6c42\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u96c6\u6210Matplotlib\u8fdb\u884c\u9ad8\u7ea7\u7ed8\u56fe<\/p>\n\n\n\n<p>\u867d\u7136Pandas\u5185\u7f6e\u4e86\u4e00\u4e9b\u7ed8\u56fe\u529f\u80fd\uff0c\u4f46\u662f\u5982\u679c\u9700\u8981\u8fdb\u884c\u66f4\u52a0\u9ad8\u7ea7\u548c\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6\u5316\u64cd\u4f5c\uff0c\u901a\u5e38\u9700\u8981\u501f\u52a9\u4e8eMatplotlib\u8fd9\u6837\u7684\u7ed8\u56fe\u5e93\u3002Matplotlib\u662f\u4e00\u6b3e\u5e7f\u6cdb\u4f7f\u7528\u7684Python\u7ed8\u56fe\u5e93\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7ed8\u5236\u5404\u79cd\u5e38\u89c1\u7684\u56fe\u8868\uff0c\u5305\u62ec\u7ebf\u56fe\u3001\u67f1\u72b6\u56fe\u3001\u6563\u70b9\u56fe\u3001\u7b49\u9ad8\u7ebf\u56fe\u7b49\u3002<\/p>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u96c6\u6210Matplotlib\u8fdb\u884c\u9ad8\u7ea7\u7ed8\u56fe\u64cd\u4f5c\u3002\u5177\u4f53\u6765\u8bf4\uff0c\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u83b7\u53d6Matplotlib\u7684Axes\u5bf9\u8c61\uff0c\u7136\u540e\u4f7f\u7528Axes\u5bf9\u8c61\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u56fe\u5f62\u7ed8\u5236\u548c\u53c2\u6570\u8bbe\u7f6e\u3002\u4f8b\u5982\uff0c\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u5305\u542b\u4e86\u8ba2\u5355\u53f7\u3001\u4ea7\u54c1\u540d\u79f0\u3001\u9500\u552e\u989d\u3001\u6210\u672c\u3001\u5229\u6da6\u3001\u9500\u552e\u65e5\u671f\u3001\u5730\u533a\u7b49\u4fe1\u606f\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528plot\u65b9\u6cd5\u96c6\u6210Matplotlib\u8fdb\u884c\u9ad8\u7ea7\u6298\u7ebf\u56fe\u7ed8\u5236\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\nimport matplotlib.pyplot as plt\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('sales_data.csv')\n\n# \u7ed8\u5236\u9500\u552e\u989d\u548c\u5229\u6da6\u7684\u6298\u7ebf\u56fe\nfig, ax = plt.subplots()\ndf[['Sales', 'Profit']].plot(ax=ax)\n\n# \u8bbe\u7f6e\u6807\u9898\u548c\u6807\u7b7e\nax.set_title('Sales and Profit')\nax.set_xlabel('Date')\nax.set_ylabel('Amount')\n\n# \u663e\u793a\u56fe\u5f62\nplt.show()\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528read_csv\u65b9\u6cd5\u8bfb\u53d6\u4e86\u4e00\u4e2a\u9500\u552e\u8ba2\u5355\u6570\u636e\u96c6\uff0c\u7136\u540e\u4f7f\u7528plot\u65b9\u6cd5\u5bf9\u9500\u552e\u989d\u548c\u5229\u6da6\u8fdb\u884c\u6298\u7ebf\u56fe\u5c55\u793a\uff0c\u5e76\u4f7f\u7528subplots\u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a\u5305\u542bAxes\u5bf9\u8c61\u7684Figure\u5bf9\u8c61\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528Axes\u5bf9\u8c61\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u56fe\u5f62\u7ed8\u5236\u548c\u53c2\u6570\u8bbe\u7f6e\uff0c\u4f8b\u5982\u4f7f\u7528set_title\u3001set_xlabel\u3001set_ylabel\u65b9\u6cd5\u8bbe\u7f6e\u56fe\u5f62\u7684\u6807\u9898\u548c\u6807\u7b7e\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528show\u65b9\u6cd5\u663e\u793a\u7ed8\u5236\u7684\u56fe\u5f62\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u6298\u7ebf\u56fe\uff0c\u4f7f\u7528plot\u65b9\u6cd5\u96c6\u6210Matplotlib\u8fd8\u53ef\u4ee5\u7ed8\u5236\u5176\u4ed6\u7c7b\u578b\u7684\u56fe\u8868\uff0c\u4f8b\u5982\u67f1\u72b6\u56fe\u3001\u6563\u70b9\u56fe\u3001\u76f4\u65b9\u56fe\u7b49\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8fdb\u884c\u7ed8\u5236\u3002\u6b64\u5916\uff0cMatplotlib\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u5f62\u98ce\u683c\u548c\u6837\u5f0f\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u521b\u5efa\u5404\u79cd\u7f8e\u89c2\u548c\u6613\u8bfb\u7684\u56fe\u5f62\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u4f7f\u7528plot\u65b9\u6cd5\u96c6\u6210Matplotlib\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u66f4\u52a0\u9ad8\u7ea7\u548c\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6\u5316\u64cd\u4f5c\uff0c\u5305\u62ec\u6298\u7ebf\u56fe\u3001\u67f1\u72b6\u56fe\u3001\u6563\u70b9\u56fe\u7b49\u3002\u53ef\u4ee5\u4f7f\u7528Axes\u5bf9\u8c61\u8fdb\u884c\u8fdb\u4e00\u6b65\u7684\u56fe\u5f62\u7ed8\u5236\u548c\u53c2\u6570\u8bbe\u7f6e\uff0c\u4ee5\u4fbf\u6ee1\u8db3\u4e0d\u540c\u7684\u7ed8\u56fe\u9700\u6c42\u3002\u6b64\u5916\uff0cMatplotlib\u8fd8\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u56fe\u5f62\u98ce\u683c\u548c\u6837\u5f0f\u8bbe\u7f6e\uff0c\u65b9\u4fbf\u521b\u5efa\u5404\u79cd\u7f8e\u89c2\u548c\u6613\u8bfb\u7684\u56fe\u5f62\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u8bb2\u89e3<\/p>\n\n\n\n<p>\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u901a\u5e38\u662f\u57fa\u4e8e\u771f\u5b9e\u7684\u6570\u636e\u96c6\uff0c\u901a\u8fc7\u5b9e\u9645\u7684\u6570\u636e\u5206\u6790\u8fc7\u7a0b\uff0c\u6f14\u793a\u6570\u636e\u5206\u6790\u7684\u6d41\u7a0b\u548c\u65b9\u6cd5\uff0c\u5c55\u793a\u6570\u636e\u5206\u6790\u7684\u4ef7\u503c\u548c\u5e94\u7528\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u6765\u5e2e\u52a9\u6211\u4eec\u5b66\u4e60\u548c\u638c\u63e1Pandas\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6570\u636e\u5206\u6790\u6280\u5de7\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8e\u7f8e\u56fd\u72af\u7f6a\u6570\u636e\u7684\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528Pandas\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u6d17\u3001\u63a2\u7d22\u548c\u53ef\u89c6\u5316\u5206\u6790\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u6536\u96c6\u548c\u5bfc\u5165<\/li>\n<\/ol>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u6536\u96c6\u72af\u7f6a\u6570\u636e\u96c6\u5e76\u5bfc\u5165\u5230Pandas\u4e2d\u8fdb\u884c\u5206\u6790\u3002\u72af\u7f6a\u6570\u636e\u53ef\u4ee5\u4eceFBI\u7684Uniform Crime Reporting\uff08UCR\uff09\u7a0b\u5e8f\u4e2d\u83b7\u53d6\u3002\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u4e00\u4e2a\u5df2\u7ecf\u5904\u7406\u597d\u7684\u6570\u636e\u96c6\uff0c\u53ef\u4ee5\u4eceGitHub\u4e0a\u83b7\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\ndf = pd.read_csv('https:\/\/raw.githubusercontent.com\/slavpetrov\/five-thirty-eight-datasets\/master\/us-crime-rate\/crime.csv')\n\n# \u663e\u793a\u6570\u636e\u96c6\u7684\u524d5\u884c\nprint(df.head())\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6570\u636e\u6e05\u6d17<\/li>\n<\/ol>\n\n\n\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u6d17\uff0c\u4ee5\u4fbf\u8fdb\u884c\u540e\u7eed\u7684\u5206\u6790\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u5217\u3001\u5904\u7406\u7f3a\u5931\u503c\u548c\u5f02\u5e38\u503c\u7b49\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u5220\u9664\u4e0d\u5fc5\u8981\u7684\u5217\ndf.drop(['state', 'city'], axis=1, inplace=True)\n\n# \u5904\u7406\u7f3a\u5931\u503c\ndf.dropna(inplace=True)\n\n# \u5904\u7406\u5f02\u5e38\u503c\ndf = df[df['violent_crime_rate'] &lt; 10000]\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u6570\u636e\u63a2\u7d22<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u6570\u636e\u6e05\u6d17\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u63a2\u7d22\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u7684\u7279\u5f81\u548c\u5206\u5e03\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5404\u4e2a\u5dde\u7684\u603b\u72af\u7f6a\u7387\u548c\u603b\u66b4\u529b\u72af\u7f6a\u7387\uff0c\u5e76\u7ed8\u5236\u6563\u70b9\u56fe\u5c55\u793a\u4e24\u8005\u7684\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u8ba1\u7b97\u603b\u72af\u7f6a\u7387\u548c\u603b\u66b4\u529b\u72af\u7f6a\u7387\ndf['total_crime_rate'] = df['property_crime_rate'] + df['violent_crime_rate']\ndf['total_violent_rate'] = df['murder_rate'] + df['rape_rate'] + df['robbery_rate'] + df['aggravated_assault_rate']\n\n# \u7ed8\u5236\u6563\u70b9\u56fe\u5c55\u793a\u603b\u72af\u7f6a\u7387\u548c\u603b\u66b4\u529b\u72af\u7f6a\u7387\u7684\u5173\u7cfb\ndf.plot.scatter(x='total_crime_rate', y='total_violent_rate')\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u6570\u636e\u53ef\u89c6\u5316<\/li>\n<\/ol>\n\n\n\n<p>\u9664\u4e86\u6563\u70b9\u56fe\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u5176\u4ed6\u7684\u56fe\u8868\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u548c\u5206\u6790\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u7684\u7279\u5f81\u548c\u8d8b\u52bf\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6298\u7ebf\u56fe\u5c55\u793a\u5404\u4e2a\u5dde\u7684\u72af\u7f6a\u7387\u968f\u65f6\u95f4\u7684\u53d8\u5316\u8d8b\u52bf\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u6309\u7167\u5e74\u4efd\u548c\u5dde\u8fdb\u884c\u5206\u7ec4\ngrouped = df.groupby(['year', 'state']).sum()\n\n# \u7ed8\u5236\u6298\u7ebf\u56fe\u5c55\u793a\u72af\u7f6a\u7387\u968f\u65f6\u95f4\u7684\u53d8\u5316\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">scssCopy code<code># \u9009\u53d6\u51e0\u4e2a\u5dde\u8fdb\u884c\u5c55\u793a\nstates = ['California', 'New York', 'Florida', 'Texas', 'Illinois']\ngrouped.loc[:, states].unstack(level=1)['total_crime_rate'].plot()\n\n# \u8bbe\u7f6e\u56fe\u5f62\u7684\u6807\u9898\u548c\u6807\u7b7e\nplt.title('Total Crime Rate by State and Year')\nplt.xlabel('Year')\nplt.ylabel('Total Crime Rate')\n\n# \u663e\u793a\u56fe\u5f62\nplt.show()\n<\/code><\/pre>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528groupby\u65b9\u6cd5\u6309\u7167\u5e74\u4efd\u548c\u5dde\u8fdb\u884c\u5206\u7ec4\uff0c\u7136\u540e\u4f7f\u7528sum\u65b9\u6cd5\u8ba1\u7b97\u5404\u4e2a\u5dde\u7684\u603b\u72af\u7f6a\u7387\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528unstack\u65b9\u6cd5\u5bf9\u6570\u636e\u8fdb\u884c\u900f\u89c6\uff0c\u4ee5\u4fbf\u5c06\u5404\u4e2a\u5dde\u7684\u72af\u7f6a\u7387\u5206\u522b\u5c55\u793a\u5728\u4e0d\u540c\u7684\u5217\u4e2d\u3002\u6700\u540e\uff0c\u6211\u4eec\u4f7f\u7528plot\u65b9\u6cd5\u7ed8\u5236\u6298\u7ebf\u56fe\uff0c\u5e76\u4f7f\u7528title\u3001xlabel\u3001ylabel\u65b9\u6cd5\u8bbe\u7f6e\u56fe\u5f62\u7684\u6807\u9898\u548c\u6807\u7b7e\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u6298\u7ebf\u56fe\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u7c7b\u578b\u7684\u56fe\u8868\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u548c\u5206\u6790\uff0c\u4f8b\u5982\u67f1\u72b6\u56fe\u3001\u70ed\u529b\u56fe\u3001\u7b49\u9ad8\u7ebf\u56fe\u7b49\u3002\u53ef\u4ee5\u6839\u636e\u9700\u8981\u9009\u62e9\u4e0d\u540c\u7684\u7ed8\u56fe\u7c7b\u578b\u548c\u53c2\u6570\u8fdb\u884c\u7ed8\u5236\u3002\u6b64\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528Matplotlib\u7b49\u5176\u4ed6Python\u7ed8\u56fe\u5e93\u8fdb\u884c\u66f4\u52a0\u9ad8\u7ea7\u548c\u590d\u6742\u7684\u6570\u636e\u53ef\u89c6\u5316\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0c\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u662f\u5b66\u4e60\u548c\u638c\u63e1Pandas\u4f7f\u7528\u65b9\u6cd5\u548c\u6570\u636e\u5206\u6790\u6280\u5de7\u7684\u91cd\u8981\u9014\u5f84\u3002\u901a\u8fc7\u5b9e\u9645\u7684\u6570\u636e\u5206\u6790\u8fc7\u7a0b\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u7684\u7279\u5f81\u548c\u8d8b\u52bf\uff0c\u5c55\u793a\u6570\u636e\u5206\u6790\u7684\u4ef7\u503c\u548c\u5e94\u7528\u3002\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u6570\u636e\u5206\u6790\u5b9e\u6218\u6848\u4f8b\u6765\u5e2e\u52a9\u6211\u4eec\u5b66\u4e60\u548c\u638c\u63e1Pandas\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6570\u636e\u5206\u6790\u6280\u5de7\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u6f14\u793a\u5b8c\u6574\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u6d41\u7a0b<\/p>\n\n\n\n<p>\u5b8c\u6574\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\u6570\u636e\u6536\u96c6\u3001\u6570\u636e\u6e05\u6d17\u3001\u6570\u636e\u63a2\u7d22\u3001\u6570\u636e\u53ef\u89c6\u5316\u3001\u6570\u636e\u5efa\u6a21\u7b49\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u4e8e\u6ce2\u58eb\u987f\u623f\u4ef7\u6570\u636e\u96c6\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u6d41\u7a0b\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528Pandas\u5bf9\u6570\u636e\u8fdb\u884c\u5904\u7406\u548c\u5206\u6790\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u6536\u96c6\u548c\u5bfc\u5165<\/li>\n<\/ol>\n\n\n\n<p>\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u6536\u96c6\u6ce2\u58eb\u987f\u623f\u4ef7\u6570\u636e\u96c6\u5e76\u5bfc\u5165\u5230Pandas\u4e2d\u8fdb\u884c\u5206\u6790\u3002\u6ce2\u58eb\u987f\u623f\u4ef7\u6570\u636e\u96c6\u53ef\u4ee5\u4ecesklearn\u4e2d\u83b7\u53d6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import pandas as pd\nfrom sklearn.datasets import load_boston\n\n# \u8bfb\u53d6\u6570\u636e\u96c6\nboston = load_boston()\ndf = pd.DataFrame(boston.data, columns=boston.feature_names)\ndf['target'] = boston.target\n\n# \u663e\u793a\u6570\u636e\u96c6\u7684\u524d5\u884c\nprint(df.head())\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6570\u636e\u6e05\u6d17<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u6570\u636e\u6536\u96c6\u548c\u5bfc\u5165\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u6e05\u6d17\uff0c\u4ee5\u4fbf\u8fdb\u884c\u540e\u7eed\u7684\u5206\u6790\u3002\u5728\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u7f3a\u5931\u503c\u548c\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u5904\u7406\u7f3a\u5931\u503c\ndf.dropna(inplace=True)\n\n# \u5904\u7406\u5f02\u5e38\u503c\ndf = df[df['target'] &lt; 50]\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u6570\u636e\u63a2\u7d22<\/li>\n<\/ol>\n\n\n\n<p>\u5728\u6570\u636e\u6e05\u6d17\u5b8c\u6210\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u63a2\u7d22\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u7684\u7279\u5f81\u548c\u5206\u5e03\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5404\u4e2a\u7279\u5f81\u4e4b\u95f4\u7684\u76f8\u5173\u7cfb\u6570\uff0c\u5e76\u4f7f\u7528\u70ed\u529b\u56fe\u5c55\u793a\u76f8\u5173\u7cfb\u6570\u7684\u77e9\u9635\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>import seaborn as sns\nimport matplotlib.pyplot as plt\n\n# \u8ba1\u7b97\u76f8\u5173\u7cfb\u6570\u77e9\u9635\ncorr = df.corr()\n\n# \u7ed8\u5236\u76f8\u5173\u7cfb\u6570\u77e9\u9635\u7684\u70ed\u529b\u56fe\nsns.heatmap(corr, cmap='coolwarm', annot=True)\n\n# \u8bbe\u7f6e\u56fe\u5f62\u7684\u6807\u9898\u548c\u6807\u7b7e\nplt.title('Correlation Matrix')\nplt.xlabel('Features')\nplt.ylabel('Features')\n\n# \u663e\u793a\u56fe\u5f62\nplt.show()\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u6570\u636e\u53ef\u89c6\u5316<\/li>\n<\/ol>\n\n\n\n<p>\u9664\u4e86\u70ed\u529b\u56fe\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u5176\u4ed6\u7684\u56fe\u8868\u5bf9\u6570\u636e\u8fdb\u884c\u53ef\u89c6\u5316\u5c55\u793a\u548c\u5206\u6790\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u6570\u636e\u7684\u7279\u5f81\u548c\u8d8b\u52bf\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6563\u70b9\u56fe\u5c55\u793a\u623f\u4ef7\u548c\u623f\u95f4\u6570\u4e4b\u95f4\u7684\u5173\u7cfb\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">bashCopy code<code># \u7ed8\u5236\u623f\u4ef7\u548c\u623f\u95f4\u6570\u7684\u6563\u70b9\u56fe\ndf.plot.scatter(x='RM', y='target')\n\n# \u8bbe\u7f6e\u56fe\u5f62\u7684\u6807\u9898\u548c\u6807\u7b7e\nplt.title('Relationship between RM and House Price')\nplt.xlabel('RM')\nplt.ylabel('Price')\n\n# \u663e\u793a\u56fe\u5f62\nplt.show()\n<\/code><\/pre>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u6570\u636e\u5efa\u6a21<\/li>\n<\/ol>\n\n\n\n<p>\u6700\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5efa\u6a21\u6280\u672f\uff0c\u4f8b\u5982\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u3001\u51b3\u7b56\u6811\u6a21\u578b\u7b49\uff0c\u5bf9\u6570\u636e\u8fdb\u884c\u9884\u6d4b\u548c\u5206\u7c7b\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u5bf9\u623f\u4ef7\u8fdb\u884c\u9884\u6d4b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">pythonCopy code<code>from sklearn.model_selection import train_test_split\nfrom sklearn.linear_model import LinearRegression\nfrom sklearn.metrics import mean_squared_error\n\n# \u5c06\u6570\u636e\u96c6\u5206\u4e3a\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\nX = df.drop('target', axis=1)\ny = df['target']\nX_train, X_test\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u7ee7\u7eed<\/p>\n\n\n\n<p>, y_train, y_test = train_test_split(X, y, test_size=0.3, random_state=42)<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u8bad\u7ec3\u7ebf\u6027\u56de\u5f52\u6a21\u578b<\/h1>\n\n\n\n<p>lr = LinearRegression() lr.fit(X_train, y_train)<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5bf9\u6d4b\u8bd5\u96c6\u8fdb\u884c\u9884\u6d4b<\/h1>\n\n\n\n<p>y_pred = lr.predict(X_test)<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u8ba1\u7b97\u5747\u65b9\u8bef\u5dee<\/h1>\n\n\n\n<p>mse = mean_squared_error(y_test, y_pred) print(&#8216;MSE:&#8217;, mse)<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Copy code<code>\n\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u4f7f\u7528train_test_split\u65b9\u6cd5\u5c06\u6570\u636e\u96c6\u5206\u4e3a\u8bad\u7ec3\u96c6\u548c\u6d4b\u8bd5\u96c6\uff0c\u7136\u540e\u4f7f\u7528LinearRegression\u65b9\u6cd5\u8bad\u7ec3\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u3002\u63a5\u7740\uff0c\u6211\u4eec\u4f7f\u7528predict\u65b9\u6cd5\u5bf9\u6d4b\u8bd5\u96c6\u8fdb\u884c\u9884\u6d4b\uff0c\u5e76\u4f7f\u7528mean_squared_error\u65b9\u6cd5\u8ba1\u7b97\u9884\u6d4b\u7ed3\u679c\u7684\u5747\u65b9\u8bef\u5dee\u3002\u6700\u540e\uff0c\u6211\u4eec\u8f93\u51fa\u5747\u65b9\u8bef\u5dee\u7684\u503c\uff0c\u4ee5\u8bc4\u4f30\u6a21\u578b\u7684\u6027\u80fd\u3002\n\n\u603b\u4e4b\uff0c\u5b8c\u6574\u7684\u6570\u636e\u5904\u7406\u4e0e\u5206\u6790\u6d41\u7a0b\u901a\u5e38\u5305\u62ec\u6570\u636e\u6536\u96c6\u3001\u6570\u636e\u6e05\u6d17\u3001\u6570\u636e\u63a2\u7d22\u3001\u6570\u636e\u53ef\u89c6\u5316\u3001\u6570\u636e\u5efa\u6a21\u7b49\u6b65\u9aa4\u3002\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u6280\u672f\u6765\u5b8c\u6210\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u5e76\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6Python\u5e93\u548c\u5de5\u5177\u6765\u5b9e\u73b0\u66f4\u52a0\u590d\u6742\u548c\u9ad8\u7ea7\u7684\u6570\u636e\u5206\u6790\u4efb\u52a1\u3002\u901a\u8fc7\u5b9e\u8df5\u548c\u63a2\u7d22\u4e0d\u540c\u7684\u6570\u636e\u96c6\u548c\u5206\u6790\u573a\u666f\uff0c\u53ef\u4ee5\u66f4\u597d\u5730\u7406\u89e3\u548c\u638c\u63e1Pandas\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u6570\u636e\u5206\u6790\u6280\u5de7\u3002\n<\/code><\/pre>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u8bf7\u8be6\u7ec6\u89e3\u91caPandas\u6027\u80fd\u4f18\u5316<\/p>\n\n\n\n<p>Pandas\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u5e93\uff0c\u4f46\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u6027\u80fd\u53ef\u80fd\u4f1a\u6210\u4e3a\u95ee\u9898\u3002\u5e78\u8fd0\u7684\u662f\uff0cPandas\u63d0\u4f9b\u4e86\u8bb8\u591a\u4f18\u5316\u6280\u672f\u6765\u63d0\u9ad8\u5176\u6027\u80fd\uff0c\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u9009\u62e9\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b<\/li>\n<\/ol>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u9009\u62e9\u4e0d\u540c\u7684\u6570\u636e\u7c7b\u578b\u6765\u5b58\u50a8\u6570\u636e\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u6574\u6570\u7c7b\u578b\u4ee3\u66ff\u6d6e\u70b9\u6570\u7c7b\u578b\u6765\u51cf\u5c11\u5185\u5b58\u4f7f\u7528\u91cf\u3002\u53ef\u4ee5\u4f7f\u7528category\u7c7b\u578b\u4ee3\u66ffobject\u7c7b\u578b\u6765\u8282\u7701\u5185\u5b58\u5e76\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u9009\u62e9\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u907f\u514d\u4f7f\u7528\u5faa\u73af<\/li>\n<\/ol>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5411\u91cf\u5316\u64cd\u4f5c\u548c\u51fd\u6570\u5f0f\u7f16\u7a0b\u6765\u4ee3\u66ff\u5faa\u73af\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528apply\u65b9\u6cd5\u5c06\u51fd\u6570\u5e94\u7528\u4e8e\u6574\u4e2aSeries\u6216DataFrame\uff0c\u800c\u4e0d\u662f\u4f7f\u7528\u5faa\u73af\u9010\u4e2a\u5143\u7d20\u5904\u7406\u6570\u636e\u3002\u6b64\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528NumPy\u7b49\u5176\u4ed6\u5e93\u6765\u52a0\u901f\u5411\u91cf\u5316\u64cd\u4f5c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u4f7f\u7528\u67e5\u8be2\u4f18\u5316<\/li>\n<\/ol>\n\n\n\n<p>Pandas\u63d0\u4f9b\u4e86\u8bb8\u591a\u67e5\u8be2\u4f18\u5316\u6280\u672f\uff0c\u4f8b\u5982\u4f7f\u7528\u5e03\u5c14\u63a9\u7801\u3001\u4f7f\u7528isin\u65b9\u6cd5\u3001\u4f7f\u7528query\u65b9\u6cd5\u7b49\u3002\u8fd9\u4e9b\u6280\u672f\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5730\u9009\u62e9\u6570\u636e\uff0c\u5e76\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8ba1\u7b97\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\">\n<li>\u5206\u5757\u5904\u7406\u5927\u578b\u6570\u636e\u96c6<\/li>\n<\/ol>\n\n\n\n<p>\u5982\u679c\u6570\u636e\u96c6\u592a\u5927\uff0c\u65e0\u6cd5\u4e00\u6b21\u6027\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5206\u5757\u5904\u7406\u6280\u672f\u6765\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u3002\u53ef\u4ee5\u4f7f\u7528read_csv\u3001read_excel\u7b49\u65b9\u6cd5\u7684chunksize\u53c2\u6570\u5c06\u6570\u636e\u96c6\u5206\u6210\u591a\u4e2a\u5757\uff0c\u5e76\u4f7f\u7528\u8fed\u4ee3\u5668\u9010\u4e2a\u5904\u7406\u6bcf\u4e2a\u5757\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"5\">\n<li>\u5e76\u884c\u5904\u7406\u6570\u636e<\/li>\n<\/ol>\n\n\n\n<p>\u5728Pandas\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u6765\u5e76\u884c\u5904\u7406\u6570\u636e\uff0c\u4ee5\u52a0\u5feb\u5904\u7406\u901f\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528concurrent.futures\u5e93\u6765\u5b9e\u73b0\u591a\u7ebf\u7a0b\u6216\u591a\u8fdb\u7a0b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"6\">\n<li>\u4f7f\u7528Cython\u3001Numba\u7b49\u5176\u4ed6\u5de5\u5177<\/li>\n<\/ol>\n\n\n\n<p>\u9664\u4e86\u4ee5\u4e0a\u63d0\u5230\u7684\u4f18\u5316\u6280\u672f\u5916\uff0c\u8fd8\u53ef\u4ee5\u4f7f\u7528Cython\u3001Numba\u7b49\u5176\u4ed6\u5de5\u5177\u6765\u52a0\u901fPandas\u7684\u6027\u80fd\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u4ee5\u5c06Python\u4ee3\u7801\u7f16\u8bd1\u6210C\u4ee3\u7801\u6216\u673a\u5668\u4ee3\u7801\uff0c\u4ece\u800c\u63d0\u9ad8\u8fd0\u884c\u901f\u5ea6\u3002<\/p>\n\n\n\n<p>\u603b\u4e4b\uff0cPandas\u63d0\u4f9b\u4e86\u8bb8\u591a\u4f18\u5316\u6280\u672f\u6765\u63d0\u9ad8\u5176\u6027\u80fd\u3002\u5728\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u65f6\uff0c\u5e94\u8be5\u9009\u62e9\u9002\u5f53\u7684\u6570\u636e\u7c7b\u578b\u3001\u907f\u514d\u4f7f\u7528\u5faa\u73af\u3001\u4f7f\u7528\u67e5\u8be2\u4f18\u5316\u3001\u5206\u5757\u5904\u7406\u6570\u636e\u3001\u5e76\u884c\u5904\u7406\u6570\u636e\uff0c\u5e76\u4f7f\u7528\u5176\u4ed6\u5de5\u5177\u6765\u52a0\u901f\u6027\u80fd\u3002\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u7684\u6548\u7387\uff0c\u5e76\u5728\u8f83\u77ed\u7684\u65f6\u95f4\u5185\u5904\u7406\u66f4\u5927\u7684\u6570\u636e\u96c6\u3002<\/p>\n\n\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/chat.openai.com\/_next\/image?url=https%3A%2F%2Flh3.googleusercontent.com%2Fa%2FAGNmyxbwVdnTP0E2eBqDrujRQjV-wFP12Thr4vFgysVv5A%3Ds96-c&amp;w=96&amp;q=75\" alt=\"gun tei\"\/><\/figure>\n\n\n\n<p>\u8bf7\u8be6\u7ec6\u89e3\u91ca\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u6848<\/p>\n\n\n\n<p>\u5728\u4f7f\u7528Pandas\u8fdb\u884c\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u65f6\uff0c\u6709\u65f6\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u53ca\u5176\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u6570\u636e\u96c6\u5305\u542b\u7f3a\u5931\u503c\u6216\u5f02\u5e38\u503c<\/li>\n<\/ol>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a\u53ef\u4ee5\u4f7f\u7528fillna\u65b9\u6cd5\u5c06\u7f3a\u5931\u503c\u66ff\u6362\u4e3a\u7279\u5b9a\u503c\u6216\u4f7f\u7528interpolate\u65b9\u6cd5\u8fdb\u884c\u63d2\u503c\u3002\u53ef\u4ee5\u4f7f\u7528drop\u65b9\u6cd5\u5220\u9664\u5305\u542b\u5f02\u5e38\u503c\u7684\u884c\u6216\u5217\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u4f7f\u7528\u7edf\u8ba1\u5b66\u65b9\u6cd5\u8bc6\u522b\u548c\u5904\u7406\u5f02\u5e38\u503c\uff0c\u4f8b\u5982\u4f7f\u7528\u7bb1\u5f62\u56fe\u62163\u03c3\u6cd5\u5219\u8fdb\u884c\u5224\u65ad\u548c\u5904\u7406\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>\u6570\u636e\u96c6\u592a\u5927\u65e0\u6cd5\u5168\u90e8\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d<\/li>\n<\/ol>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a\u53ef\u4ee5\u4f7f\u7528\u5206\u5757\u5904\u7406\u6280\u672f\uff0c\u5c06\u6570\u636e\u96c6\u5206\u6210\u591a\u4e2a\u5757\u8fdb\u884c\u5904\u7406\u3002\u53ef\u4ee5\u4f7f\u7528read_csv\u3001read_excel\u7b49\u65b9\u6cd5\u7684chunksize\u53c2\u6570\u5c06\u6570\u636e\u96c6\u5206\u6210\u591a\u4e2a\u5757\uff0c\u5e76\u4f7f\u7528\u8fed\u4ee3\u5668\u9010\u4e2a\u5904\u7406\u6bcf\u4e2a\u5757\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528Dask\u3001PySpark\u7b49\u5176\u4ed6\u5de5\u5177\u6765\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>\u6570\u636e\u96c6\u5305\u542b\u91cd\u590d\u503c<\/li>\n<\/ol>\n\n\n\n<p>\u89e3\u51b3\u65b9\u6848\uff1a\u53ef\u4ee5\u4f7f\u7528drop_duplicates\u65b9\u6cd5\u5220\u9664\u91cd\u590d\u503c\u3002\u5728\u5220\u9664\u91cd\u590d\u503c\u65f6\uff0c\u9700\u8981\u6307\u5b9a\u54ea\u4e9b\u5217\u7528\u4e8e\u5224\u65ad\u91cd\u590d\u3002\u4e5f\u53ef\u4ee5\u4f7f\u7528keep\u53c2\u6570\u6765\u6307\u5b9a\u5220\u9664\u54ea\u4e9b\u91cd\u590d\u503c\uff0c\u4f8b\u5982\u4fdd\u7559\u7b2c\u4e00\u4e2a\u3001\u6700\u540e\u4e00\u4e2a\u6216\u6240\u6709\u91cd\u590d\u503c\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\" 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