{"id":4873,"date":"2022-01-03T20:44:47","date_gmt":"2022-01-03T12:44:47","guid":{"rendered":"http:\/\/www.taoteam.tech\/?p=4873"},"modified":"2022-01-18T09:22:08","modified_gmt":"2022-01-18T01:22:08","slug":"11%e4%b8%aa%e9%87%8d%e8%a6%81%e7%9a%84%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e6%a8%a1%e5%9e%8b%e8%af%84%e4%bc%b0%e6%8c%87%e6%a0%87","status":"publish","type":"post","link":"http:\/\/www.taoteam.tech\/?p=4873","title":{"rendered":"11\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807"},"content":{"rendered":"\n<p>\u539f\u6587\u5730\u5740\uff1ahttps:\/\/m.toutiao.com\/is\/8538JJY\/<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u6784\u5efa\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u60f3\u6cd5\u5e94\u57fa\u4e8e\u5efa\u8bbe\u6027\u7684\u53cd\u9988\u539f\u5219\u3002\u4f60\u53ef\u4ee5\u6784\u5efa\u6a21\u578b\uff0c\u4ece\u6307\u6807\u5f97\u5230\u53cd\u9988\uff0c\u4e0d\u65ad\u6539\u8fdb\uff0c\u76f4\u5230\u8fbe\u5230\u7406\u60f3\u7684\u51c6\u786e\u5ea6\u3002\u8bc4\u4f30\u6307\u6807\u80fd\u4f53\u73b0\u6a21\u578b\u7684\u8fd0\u8f6c\u60c5\u51b5\u3002\u8bc4\u4f30\u6307\u6807\u7684\u4e00\u4e2a\u91cd\u8981\u4f5c\u7528\u5728\u4e8e\u80fd\u591f\u533a\u5206\u4f17\u591a\u6a21\u578b\u7684\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u5f88\u591a\u5206\u6790\u5e08\u548c\u6570\u636e\u79d1\u5b66\u5bb6\u751a\u81f3\u90fd\u4e0d\u613f\u610f\u53bb\u68c0\u67e5\u5176\u6a21\u578b\u7684\u9c81\u68d2\u6027\u3002\u4e00\u65e6\u5b8c\u6210\u4e86\u6a21\u578b\u7684\u6784\u5efa\uff0c\u4ed6\u4eec\u5c31\u4f1a\u6025\u5fd9\u5c06\u9884\u6d4b\u503c\u5e94\u7528\u5230\u4e0d\u53ef\u89c1\u7684\u6570\u636e\u4e0a\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u6b63\u786e\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u7684\u76ee\u7684\u4e0d\u80fd\u662f\u7b80\u5355\u5730\u6784\u5efa\u4e00\u4e2a\u9884\u6d4b\u6a21\u578b\u3002\u76ee\u7684\u662f\u5173\u4e8e\u521b\u5efa\u548c\u9009\u62e9\u4e00\u4e2a\u5bf9\u6837\u672c\u4ee5\u5916\u6570\u636e\u4e5f\u80fd\u505a\u5230\u9ad8\u7cbe\u5ea6\u7684\u6a21\u578b\u3002\u56e0\u6b64\uff0c\u5728\u8ba1\u7b97\u9884\u6d4b\u503c\u4e4b\u524d\uff0c\u68c0\u67e5\u6a21\u578b\u7684\u51c6\u786e\u6027\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/3e47cf77351b406290ae4ee4c48f76bf?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u884c\u4e1a\u4e2d\uff0c\u5927\u5bb6\u4f1a\u8003\u8651\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u6307\u6807\u6765\u8bc4\u4f30\u6a21\u578b\u3002\u6307\u6807\u7684\u9009\u62e9\u5b8c\u5168\u53d6\u51b3\u4e8e\u6a21\u578b\u7684\u7c7b\u578b\u548c\u6267\u884c\u6a21\u578b\u7684\u8ba1\u5212\u3002<\/p>\n\n\n\n<p>\u6a21\u578b\u6784\u5efa\u5b8c\u6210\u540e\uff0c\u8fd911\u4e2a\u6307\u6807\u5c06\u5e2e\u52a9\u8bc4\u4f30\u6a21\u578b\u7684\u51c6\u786e\u6027\u3002\u8003\u8651\u5230\u4ea4\u53c9\u9a8c\u8bc1\u7684\u65e5\u76ca\u666e\u53ca\u548c\u91cd\u8981\u6027\uff0c\u672c\u6587\u4e2d\u4e5f\u63d0\u5230\u4e86\u5b83\u7684\u4e00\u4e9b\u539f\u7406\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>\u9884\u6d4b\u6a21\u578b\u7684\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p>\u8bf4\u5230\u9884\u6d4b\u6a21\u578b\uff0c\u5927\u5bb6\u8c08\u8bba\u7684\u8981\u4e48\u662f\u56de\u5f52\u6a21\u578b\uff08\u8fde\u7eed\u8f93\u51fa\uff09\uff0c\u8981\u4e48\u662f\u5206\u7c7b\u6a21\u578b\uff08\u79bb\u6563\u8f93\u51fa\u6216\u4e8c\u8fdb\u5236\u8f93\u51fa\uff09\u3002\u6bcf\u79cd\u6a21\u578b\u4e2d\u4f7f\u7528\u7684\u8bc4\u4f30\u6307\u6807\u90fd\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u5728\u5206\u7c7b\u95ee\u9898\u4e2d\uff0c\u4e00\u822c\u4f7f\u7528\u4e24\u79cd\u7c7b\u578b\u7684\u7b97\u6cd5\uff08\u53d6\u51b3\u4e8e\u5176\u521b\u5efa\u7684\u8f93\u51fa\u7c7b\u578b\uff09\uff1a<\/p>\n\n\n\n<p>1.\u7c7b\u8f93\u51fa\uff1aSVM\u548cKNN\u7b49\u7b97\u6cd5\u521b\u5efa\u7c7b\u8f93\u51fa\u3002\u4f8b\u5982\uff0c\u5728\u4e8c\u8fdb\u5236\u5206\u7c7b\u95ee\u9898\u4e2d\uff0c\u8f93\u51fa\u503c\u5c06\u4e3a0\u62161\u3002\u4f46\u5982\u4eca\uff0c\u6709\u7b97\u6cd5\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u7c7b\u8f93\u51fa\u8f6c\u6362\u4e3a\u6982\u7387\u8f93\u51fa\u3002\u4f46\u662f\uff0c\u7edf\u8ba1\u5708\u5e76\u4e0d\u662f\u5f88\u4e50\u610f\u63a5\u53d7\u8fd9\u4e9b\u7b97\u6cd5\u3002<\/p>\n\n\n\n<p>2.\u6982\u7387\u8f93\u51fa\uff1a\u903b\u8f91\u56de\u5f52( Logistic Regression )\uff0c\u968f\u673a\u68ee\u6797( Random Forest )\uff0c\u68af\u5ea6\u9012\u589e( Gradient Boosting )\uff0cAdaboost\u7b49\u7b97\u6cd5\u4f1a\u4ea7\u751f\u6982\u7387\u8f93\u51fa\u3002\u5c06\u6982\u7387\u8f93\u51fa\u8f6c\u6362\u4e3a\u7c7b\u8f93\u51fa\u53ea\u662f\u521b\u5efa\u4e00\u4e2a\u9608\u503c\u6982\u7387\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5728\u56de\u5f52\u95ee\u9898\u4e2d\uff0c\u8f93\u51fa\u65f6\u4e0d\u4f1a\u51fa\u73b0\u8fd9\u79cd\u4e0d\u4e00\u81f4\u6027\u3002\u8f93\u51fa\u672c\u6765\u5c31\u662f\u4e00\u76f4\u8fde\u7eed\u7684\uff0c\u4e0d\u9700\u8981\u8fdb\u4e00\u6b65\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u4f8b\u8bc1<\/p>\n\n\n\n<p>\u5173\u4e8e\u5206\u7c7b\u6a21\u578b\u8bc4\u4f30\u6307\u6807\u7684\u8ba8\u8bba\uff0c\u7b14\u8005\u5df2\u5728Kaggle\u5e73\u53f0\u4e0a\u5bf9BCI\u6311\u6218\u505a\u4e86\u9884\u6d4b\u3002\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u8d85\u51fa\u4e86\u6b64\u5904\u8ba8\u8bba\u7684\u8303\u56f4\u3002\u4f46\u662f\uff0c\u672c\u6587\u5f15\u7528\u4e86\u8bad\u7ec3\u96c6\u7684\u6700\u7ec8\u9884\u6d4b\u3002\u901a\u8fc7\u6982\u7387\u8f93\u51fa\u9884\u6d4b\u8be5\u95ee\u9898\uff0c\u5047\u8bbe\u9608\u503c\u4e3a0.5\u7684\u60c5\u51b5\u4e0b\uff0c\u5c06\u6982\u7387\u8f93\u51fa\u8f6c\u6362\u4e3a\u7c7b\u8f93\u51fa\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>1. \u6df7\u6dc6\u77e9\u9635<\/strong><\/p>\n\n\n\n<p>\u6df7\u6dc6\u77e9\u9635\u662f\u4e00\u4e2aN\u00d7N\u77e9\u9635\uff0cN\u662f\u9884\u6d4b\u7684\u7c7b\u7684\u6570\u91cf\u3002\u9488\u5bf9\u76ee\u524d\u7684\u95ee\u9898\uff0c\u6709N = 2\uff0c\u56e0\u6b64\u5f97\u5230\u4e00\u4e2a2\u00d72\u7684\u77e9\u9635\u3002\u4f60\u9700\u8981\u8bb0\u4f4f\u4ee5\u4e0b\u8fd9\u4e9b\u5173\u4e8e\u6df7\u6dc6\u77e9\u9635\u7684\u5b9a\u4e49\uff1a<\/p>\n\n\n\n<p>\u00b7 \u51c6\u786e\u6027\uff1a\u6b63\u786e\u9884\u6d4b\u7684\u7ed3\u679c\u5360\u603b\u9884\u6d4b\u503c\u7684\u6bd4\u91cd<\/p>\n\n\n\n<p>\u00b7 \u9633\u6027\u9884\u6d4b\u503c\u6216\u67e5\u51c6\u7387\uff1a\u9884\u6d4b\u7ed3\u679c\u662f\u6b63\u4f8b\u7684\u6240\u6709\u7ed3\u679c\u4e2d\uff0c\u6b63\u786e\u6a21\u578b\u9884\u6d4b\u7684\u6bd4\u4f8b<\/p>\n\n\n\n<p>\u00b7 \u9634\u6027\u9884\u6d4b\u503c\uff1a\u9884\u6d4b\u7ed3\u679c\u662f\u8d1f\u4f8b\u7684\u6240\u6709\u7ed3\u679c\u4e2d\uff0c\u9519\u8bef\u6a21\u578b\u9884\u6d4b\u7684\u6bd4\u4f8b\u3002<\/p>\n\n\n\n<p>\u00b7 \u654f\u611f\u5ea6\u6216\u67e5\u5168\u7387 \uff1a\u5728\u771f\u5b9e\u503c\u662f\u6b63\u4f8b\u7684\u7ed3\u679c\u4e2d\uff0c\u6b63\u786e\u6a21\u578b\u9884\u6d4b\u7684\u6bd4\u91cd\u3002<\/p>\n\n\n\n<p>\u00b7 \u7279\u5f02\u5ea6\uff1a\u5728\u771f\u5b9e\u503c\u662f\u8d1f\u4f8b\u7684\u6240\u6709\u7ed3\u679c\u4e2d\uff0c\u6b63\u786e\u6a21\u578b\u9884\u6d4b\u7684\u6bd4\u91cd\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/a3a60ae6630042268366866ebd8d9f68?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/08ec8f290a65490abfbb29718c6cc1c9?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u76ee\u524d\u6848\u4f8b\u7684\u51c6\u786e\u7387\u8fbe\u523088\uff05\u3002\u4ece\u4ee5\u4e0a\u4e24\u4e2a\u8868\u4e2d\u53ef\u4ee5\u770b\u51fa\uff0c\u9633\u6027\u9884\u6d4b\u503c\u5f88\u9ad8\uff0c\u4f46\u9634\u6027\u9884\u6d4b\u503c\u5f88\u4f4e\uff0c\u800c\u654f\u611f\u5ea6\u548c\u7279\u5f02\u5ea6\u4e00\u6837\u3002\u8fd9\u4e3b\u8981\u7531\u9009\u62e9\u7684\u9608\u503c\u6240\u9020\u6210\uff0c\u5982\u679c\u964d\u4f4e\u9608\u503c\uff0c\u4e24\u5bf9\u622a\u7136\u4e0d\u540c\u7684\u6570\u5b57\u5c06\u66f4\u63a5\u8fd1\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u5927\u5bb6\u5173\u6ce8\u4e0a\u9762\u5b9a\u4e49\u7684\u6307\u6807\u4e2d\u7684\u4e00\u9879\u3002\u4f8b\u5982\uff0c\u4e00\u5bb6\u5236\u836f\u516c\u53f8\uff0c\u66f4\u5173\u5fc3\u7684\u662f\u6700\u5c0f\u9519\u8bef\u9633\u6027\u8bca\u65ad\u3002\u56e0\u6b64\uff0c\u4ed6\u4eec\u4f1a\u66f4\u5173\u6ce8\u9ad8\u7279\u5f02\u5ea6\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u6d88\u8017\u6a21\u578b\u4f1a\u66f4\u6ce8\u91cd\u654f\u611f\u5ea6\u3002\u6df7\u6dc6\u77e9\u9635\u901a\u5e38\u4ec5\u7528\u4e8e\u7c7b\u8f93\u51fa\u6a21\u578b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>2. F1\u5206\u6570<\/strong><\/p>\n\n\n\n<p>\u5728\u4e0a\u4e00\u8282\u4e2d\uff0c\u8ba8\u8bba\u4e86\u5206\u7c7b\u95ee\u9898\u7684\u67e5\u51c6\u7387\u548c\u67e5\u5168\u7387\uff0c\u4e5f\u5f3a\u8c03\u4e86\u5728\u7528\u4f8b\u4e2d\u9009\u62e9\u67e5\u51c6\u7387\u548c\u67e5\u5168\u7387\u7684\u91cd\u8981\u6027\u3002\u5982\u679c\u5bf9\u4e8e\u4e00\u4e2a\u7528\u4f8b\uff0c\u60f3\u8981\u8bd5\u56fe\u540c\u65f6\u83b7\u5f97\u6700\u4f73\u67e5\u51c6\u7387\u548c\u67e5\u5168\u7387\u5462\uff1fF1-Score\u662f\u5206\u7c7b\u95ee\u9898\u67e5\u51c6\u7387\u548c\u67e5\u5168\u7387\u7684\u8c03\u548c\u5e73\u5747\u503c\u3002\u5176\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/ba63f06b855649448813e05eeb97a023?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u73b0\u5728\uff0c\u4e00\u4e2a\u663e\u800c\u6613\u89c1\u7684\u95ee\u9898\u662f\uff0c\u4e3a\u4ec0\u4e48\u91c7\u7528\u8c03\u548c\u5e73\u5747\u503c\u800c\u4e0d\u662f\u7b97\u672f\u5e73\u5747\u503c\u5462\uff1f\u8fd9\u662f\u56e0\u4e3a\u8c03\u548c\u5e73\u5747\u503c\u53ef\u4ee5\u89e3\u51b3\u66f4\u591a\u6781\u503c\u3002\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u6765\u7406\u89e3\u8fd9\u4e00\u70b9\u3002\u6709\u4e00\u4e2a\u4e8c\u8fdb\u5236\u5206\u7c7b\u6a21\u578b\u7684\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>\u67e5\u51c6\u7387\uff1a0\uff0c\u67e5\u5168\u7387\uff1a1<\/p>\n\n\n\n<p>\u8fd9\u91cc\uff0c\u5982\u679c\u91c7\u7528\u7b97\u672f\u5e73\u5747\u503c\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u662f0.5\u3002\u5f88\u660e\u663e\uff0c\u4e0a\u9762\u7684\u7ed3\u679c\u662f\u4e00\u4e2a\u201c\u50bb\u5b50\u201d\u5206\u7c7b\u5668\u5904\u7406\u7684\uff0c\u5ffd\u7565\u4e86\u8f93\u5165\uff0c\u4ec5\u5c06\u5176\u9884\u6d4b\u7684\u5176\u4e2d\u4e00\u4e2a\u7c7b\u4f5c\u4e3a\u8f93\u51fa\u3002\u73b0\u5728\uff0c\u5982\u679c\u8981\u53d6\u8c03\u548c\u5e73\u5747\u503c\uff0c\u5f97\u5230\u7684\u7ed3\u679c\u5c31\u4f1a\u662f0\uff0c\u8fd9\u662f\u51c6\u786e\u7684\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u6a21\u578b\u5bf9\u4e8e\u6240\u6709\u7684\u76ee\u7684\u6765\u8bf4\u90fd\u662f\u65e0\u7528\u7684\u3002<\/p>\n\n\n\n<p>\u8fd9\u770b\u4f3c\u5f88\u7b80\u5355\u3002\u7136\u800c\u5728\u6709\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u79d1\u5b66\u5bb6\u66f4\u5173\u5fc3\u67e5\u51c6\u7387\u548c\u67e5\u5168\u7387\u7684\u95ee\u9898\u3002\u7a0d\u7a0d\u6539\u53d8\u4e0a\u9762\u7684\u8868\u8fbe\u5f0f\uff0c\u5305\u542b\u4e00\u4e2a\u53ef\u8c03\u53c2\u6570\u03b2\u6765\u5b9e\u73b0\u8be5\u76ee\u7684\uff0c\u5f97\u51fa\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/dfc13b2c5ccc4255b798c9e073bd5c8c?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>Fbeta\u8861\u91cf\u6a21\u578b\u5bf9\u7528\u6237\u7684\u6709\u6548\u6027\uff0c\u7528\u6237\u5bf9\u67e5\u5168\u7387\u7684\u91cd\u89c6\u7a0b\u5ea6\u662f\u67e5\u51c6\u7387\u7684\u03b2\u500d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>3. \u589e\u76ca\u56fe\u548c\u63d0\u5347\u56fe<\/strong><\/p>\n\n\n\n<p>\u589e\u76ca\u56fe\u548c\u63d0\u5347\u56fe\u4e3b\u8981\u7528\u4e8e\u68c0\u67e5\u6982\u7387\u7684\u987a\u5e8f\u3002\u4ee5\u4e0b\u662f\u6784\u5efa\u63d0\u5347\u56fe\/\u589e\u76ca\u56fe\u7684\u6b65\u9aa4\uff1a<\/p>\n\n\n\n<p>\u6b65\u9aa41\uff1a\u8ba1\u7b97\u6bcf\u4e2a\u6837\u672c\u7684\u6982\u7387\u3002<\/p>\n\n\n\n<p>\u6b65\u9aa42\uff1a\u6309\u964d\u5e8f\u6392\u5217\u8fd9\u4e9b\u6982\u7387\u3002<\/p>\n\n\n\n<p>\u6b65\u9aa43\uff1a\u6bcf\u7ec4\u6784\u5efa\u5341\u5206\u4f4d\u6570\u65f6\u90fd\u6709\u8fd110%\u7684\u6837\u672c\u3002<\/p>\n\n\n\n<p>\u6b65\u9aa44\uff1a\u8ba1\u7b97\u6bcf\u4e2a\u5341\u5206\u4f4d\u6570\u7684\u54cd\u5e94\u7387\uff0c\u5206\u4e3aGood( Responders )\u3001Bad( Non-responders )\u548c\u603b\u6570\u3002<\/p>\n\n\n\n<p>\u4f60\u4f1a\u83b7\u5f97\u4e0b\u8868\uff0c\u9700\u8981\u636e\u6b64\u7ed8\u5236\u589e\u589e\u76ca\u56fe\u6216\u63d0\u5347\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/cf537f6470d1477f8d7738f6dc67601c?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u8868\u683c\u63d0\u4f9b\u4e86\u5927\u91cf\u4fe1\u606f\u3002\u7d2f\u79ef\u589e\u76ca\u56fe\u4ecb\u4e8e\u7d2f\u8ba1 %Right\u548c\u7d2f\u8ba1 %Population\u56fe\u4e4b\u95f4\u3002\u4e0b\u9762\u662f\u5bf9\u5e94\u7684\u6848\u4f8b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/ba41ac705bbe4009933b07f4aa37f823?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u8be5\u56fe\u4f1a\u544a\u8bc9\u4f60\u7684\u6a21\u578bresponders\u4e0enon-responders\u7684\u5206\u79bb\u7a0b\u5ea6\u3002\u4f8b\u5982\uff0c\u7b2c\u4e00\u4e2a\u5341\u5206\u4f4d\u6570\u670910\uff05\u7684\u6570\u91cf\uff0c\u548c14\uff05\u7684responders\u3002\u8fd9\u610f\u5473\u7740\u5728\u7b2c\u4e00\u4e2a\u5341\u5206\u4f4d\u6570\u65f6\u6709140\uff05\u7684\u5347\u529b\u3002<\/p>\n\n\n\n<p>\u5728\u7b2c\u4e00\u4e2a\u5341\u5206\u4f4d\u6570\u53ef\u4ee5\u8fbe\u5230\u7684\u6700\u5927\u5347\u529b\u662f\u591a\u5c11\uff1f\u4ece\u7b2c\u4e00\u4e2a\u8868\u4e2d\u53ef\u4ee5\u77e5\u9053responders\u7684\u603b\u6570\u662f3,850\u4eba\uff0c\u7b2c\u4e00\u4e2a\u5341\u5206\u4f4d\u6570\u4e5f\u5305\u542b543\u4e2a\u6837\u672c\u3002\u56e0\u6b64\uff0c\u7b2c\u4e00\u4e2a\u5341\u5206\u4f4d\u6570\u7684\u6700\u5927\u5347\u529b\u503c\u53ef\u80fd\u662f543\/3850\u7ea6\u4e3a14.1\uff05\u3002\u6240\u4ee5\u8be5\u6a21\u578b\u8fd1\u4e4e\u5b8c\u7f8e\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u7ed8\u5236\u5347\u529b\u66f2\u7ebf\u3002\u5347\u529b\u66f2\u7ebf\u662f\u603b\u5347\u529b\u548c %population\u4e4b\u95f4\u7684\u5173\u7cfb\u66f2\u7ebf\u3002\u6ce8\u610f\uff1a\u5bf9\u4e8e\u968f\u673a\u6a21\u578b\uff0c\u6b64\u503c\u59cb\u7ec8\u7a33\u5b9a\u5728100%\u5904\u3002\u8fd9\u662f\u76ee\u524d\u6848\u4f8b\u5bf9\u5e94\u7684\u63d0\u5347\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/fb3311dd873f425ea5ebdc99eace4710?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5341\u5206\u4f4d\u6570\u7ed8\u5236\u5341\u5206\u4f4d\u5347\u529b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/3d8e16a2045f48889d5f5cbe5ff41a37?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u8fd9\u4e2a\u56fe\u8bf4\u660e\u4ec0\u4e48\uff1f\u8fd9\u8868\u793a\u6a21\u578b\u8fd0\u884c\u5230\u7b2c7\u4e2a\u5341\u5206\u4f4d\u6570\u90fd\u633a\u597d\u3002\u6bcf\u4e2a\u5341\u5206\u4f4d\u6570\u90fd\u4f1a\u503e\u5411non-responders\u3002\u57283\u5206\u4f4d\u6570\u548c7\u5206\u4f4d\u6570\u4e4b\u95f4\uff0c\u4efb\u4f55\u5347\u529b\u5728100%\u4ee5\u4e0a\u7684\u6a21\u578b\uff08@\u5341\u5206\u4f4d\u6570\uff09\u90fd\u662f\u597d\u6a21\u578b\u3002\u5426\u5219\u53ef\u80fd\u8981\u5148\u8003\u8651\u91c7\u6837\u3002<\/p>\n\n\n\n<p>\u63d0\u5347\u56fe\u6216\u589e\u76ca\u56fe\u8868\u5e7f\u6cdb\u5e94\u7528\u4e8e\u76ee\u6807\u5b9a\u4f4d\u95ee\u9898\u3002\u8fd9\u544a\u8bc9\u6211\u4eec\uff0c\u5728\u7279\u5b9a\u7684\u6d3b\u52a8\u4e2d\uff0c\u53ef\u4ee5\u9501\u5b9a\u5ba2\u6237\u5728\u54ea\u4e2a\u5341\u5206\u4f4d\u6570\u4e0a\u3002\u6b64\u5916\uff0c\u5b83\u4f1a\u544a\u8bc9\u4f60\u5bf9\u65b0\u76ee\u6807\u6570\u636e\u671f\u671b\u7684\u54cd\u5e94\u91cf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>4. K-S\u56fe<\/strong><\/p>\n\n\n\n<p>K-S\u6216Kolmogorov-Smirnov\u56fe\u8868\u8861\u91cf\u5206\u7c7b\u6a21\u578b\u7684\u6027\u80fd\u3002\u66f4\u51c6\u786e\u5730\u8bf4\uff0cK-S\u662f\u8861\u91cf\u6b63\u8d1f\u4f8b\u5206\u5e03\u5206\u79bb\u7a0b\u5ea6\u7684\u6307\u6807\u3002\u5982\u679c\u5206\u6570\u5c06\u4eba\u6570\u5212\u5206\u4e3a\u5355\u72ec\u4e24\u7ec4\uff0c\u5176\u4e2d\u4e00\u7ec4\u542b\u6240\u6709\u6b63\u4f8b\uff0c\u53e6\u4e00\u7ec4\u542b\u6240\u6709\u8d1f\u4f8b\uff0c\u5219K-S\u503c\u4e3a100\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0c\u5982\u679c\u6a21\u578b\u4e0d\u80fd\u533a\u5206\u6b63\u4f8b\u548c\u8d1f\u4f8b\uff0c\u90a3\u4e48\u5c31\u5982\u540c\u6a21\u578b\u4ece\u603b\u4f53\u4e2d\u968f\u673a\u9009\u62e9\u6848\u4f8b\u4e00\u6837\uff0cK-S\u4e3a0\u3002\u5728\u5927\u591a\u6570\u5206\u7c7b\u6a21\u578b\u4e2d\uff0cK-S\u503c\u5c06\u4ece0\u548c100\u4e4b\u95f4\u4ea7\u751f\uff0c\u5e76\u4e14\u503c\u8d8a\u9ad8\uff0c\u6a21\u578b\u5bf9\u6b63\u4f8b\u548c\u8d1f\u4f8b\u7684\u533a\u5206\u8d8a\u597d\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4ee5\u4e0a\u6848\u4f8b\uff0c\u8bf7\u770b\u8868\u683c\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/ec457c38bb924baca85ec60bb0b69421?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u8fd8\u53ef\u4ee5\u7ed8\u5236 %Cumulative Good\u548cBad\u6765\u67e5\u770b\u6700\u5927\u5206\u79bb\u3002\u4e0b\u9762\u662f\u793a\u4f8b\u56fe\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/48e39ed218924552a0b6aa6ea65dacc9?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u6240\u6db5\u76d6\u7684\u6307\u6807\u4e3b\u8981\u7528\u4e8e\u5206\u7c7b\u95ee\u9898\u3002\u76f4\u5230\u8fd9\u91cc\uff0c\u5df2\u7ecf\u4e86\u89e3\u4e86\u6df7\u6dc6\u77e9\u9635\u3001\u589e\u76ca\u56fe\u548c\u63d0\u5347\u56fe\u4ee5\u53cakolmogorov-smirnov\u56fe\u3002\u63a5\u4e0b\u6765\u7ee7\u7eed\u5b66\u4e60\u4e00\u4e9b\u66f4\u91cd\u8981\u7684\u6307\u6807\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>5. AUC\u66f2\u7ebf( AUC-ROC )<\/strong><\/p>\n\n\n\n<p>\u8fd9\u53c8\u662f\u4e1a\u5185\u5e38\u7528\u7684\u6307\u6807\u4e4b\u4e00\u3002\u4f7f\u7528ROC\u66f2\u7ebf\u7684\u6700\u5927\u4f18\u70b9\u662f\u4e0d\u53d7responders\u6bd4\u4f8b\u53d8\u5316\u7684\u5f71\u54cd\u3002\u4e0b\u6587\u4f1a\u8bb2\u5f97\u66f4\u6e05\u695a\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u8bd5\u7740\u53bb\u7406\u89e3\u4ec0\u4e48\u662fROC\uff08\u63a5\u6536\u5668\u64cd\u4f5c\u7279\u6027\uff09\u66f2\u7ebf\u3002\u5982\u679c\u770b\u4e0b\u9762\u7684\u6df7\u6dc6\u77e9\u9635\uff0c\u5c31\u4f1a\u89c2\u5bdf\u5230\u5bf9\u4e8e\u6982\u7387\u6a21\u578b\uff0c\u6bcf\u4e2a\u6307\u6807\u7684\u503c\u4e0d\u540c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/a3a60ae6630042268366866ebd8d9f68?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5bf9\u4e8e\u6bcf\u79cd\u654f\u611f\u5ea6\uff0c\u90fd\u4f1a\u6709\u4e0d\u540c\u7684\u7279\u5f02\u5ea6\u3002\u4e24\u8005\u5dee\u5f02\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/ac5356a68d6c4f0f8c9dd294d5237a92?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>ROC\u66f2\u7ebf\u662f\u654f\u611f\u5ea6\u548c\uff081-\u7279\u5f02\u5ea6\uff09\u4e4b\u95f4\u7684\u66f2\u7ebf\u3002\uff081-\u7279\u5f02\u6027\uff09\u4e5f\u79f0\u4e3a\u5047\u6b63\u7387\uff0c\u654f\u611f\u5ea6\u4e5f\u79f0\u4e3a\u771f\u6b63\u7387\u3002\u4e0b\u56fe\u672c\u6848\u4f8b\u7684ROC\u66f2\u7ebf\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/6eeba707f16b479cbb3843af6c752ee9?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u4ee5\u9608\u503c\u4e3a0.5\u4e3a\u4f8b\uff08\u53c2\u8003\u6df7\u6dc6\u77e9\u9635\uff09\u3002\u8fd9\u662f\u6df7\u6dc6\u77e9\u9635\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/36c97de7e32f4bd198dff68e4a7ed760?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u5982\u4f60\u6240\u89c1\uff0c\u6b64\u65f6\u654f\u611f\u5ea6\u4e3a99.6\uff05\uff0c\uff081-\u7279\u5f02\u6027\uff09\u5927\u7ea6\u4e3a60\uff05\u3002\u8be5\u5750\u6807\u5728ROC\u66f2\u7ebf\u4e2d\u6210\u4e3a\u70b9\u3002\u4e3a\u4e86\u5c06\u8be5\u66f2\u7ebf\u8868\u8fbe\u6210\u6570\u503c\uff0c\u5c31\u8981\u8ba1\u7b97\u8be5\u66f2\u7ebf\u4e0b\u7684\u9762\u79ef( AUC )\u3002<\/p>\n\n\n\n<p>\u6ce8\u610f\uff0c\u6574\u4e2a\u6b63\u65b9\u5f62\u7684\u9762\u79ef\u662f1 * 1 = 1\u3002\u56e0\u6b64\uff0cAUC\u672c\u8eab\u5c31\u662f\u66f2\u7ebf\u4e0b\u7684\u6bd4\u503c\u548c\u603b\u9762\u79ef\u3002\u5bf9\u4e8e\u90a3\u4e2a\u6848\u4f8b\uff0c\u5f97\u5230AUC ROC\u7684\u503c\u4e3a96.4\uff05\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u62c7\u6307\u89c4\u5219( thumb rules )\uff1a<\/p>\n\n\n\n<p>\u00b7 0.90-1=\u4f18\u79c0(A\uff09<\/p>\n\n\n\n<p>\u00b7 0.80-0.90 =\u826f\u597d(B)<\/p>\n\n\n\n<p>\u00b7 0.70-0.80 =\u4e00\u822c(C)<\/p>\n\n\n\n<p>\u00b7 0.60-0.70 =\u5dee(D)<\/p>\n\n\n\n<p>\u00b7 0.50-0.60 =\u5931\u8d25(F)<\/p>\n\n\n\n<p>\u53ef\u4ee5\u770b\u51fa\uff0c\u76ee\u524d\u7684\u6a21\u578b\u5c5e\u4e8e\u4f18\u79c0\u8303\u56f4\u3002\u4f46\u4e5f\u53ef\u80fd\u53ea\u662f\u8fc7\u5ea6\u62df\u5408\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9a8c\u8bc1\u663e\u5f97\u8feb\u5728\u7709\u776b\u4e86\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u51e0\u70b9\u9700\u6ce8\u610f\uff1a<\/p>\n\n\n\n<p>1.\u5bf9\u4e8e\u4f5c\u4e3a\u7c7b\u8f93\u51fa\u7684\u6a21\u578b\uff0c\u5c06\u5728ROC\u56fe\u4e2d\u7528\u5355\u4e2a\u70b9\u8868\u793a\u3002<\/p>\n\n\n\n<p>2.\u8fd9\u4e9b\u6a21\u578b\u65e0\u6cd5\u76f8\u4e92\u6bd4\u8f83\uff0c\u56e0\u4e3a\u9700\u8981\u5728\u5355\u4e2a\u6307\u6807\u57fa\u7840\u4e0a\u8fdb\u884c\u5224\u65ad\u800c\u4e0d\u662f\u591a\u4e2a\u6307\u6807\u3002\u4f8b\u5982\uff0c\u5177\u6709\u53c2\u6570\uff080.2,0.8\uff09\u7684\u6a21\u578b\u548c\u5177\u6709\u53c2\u6570\uff080.8,0.2\uff09\u7684\u6a21\u578b\u53ef\u4ee5\u6765\u81ea\u76f8\u540c\u7684\u6a21\u578b\uff0c\u56e0\u6b64\u4e0d\u5e94\u76f4\u63a5\u6bd4\u8f83\u8fd9\u4e9b\u6307\u6807\u3002<\/p>\n\n\n\n<p>3.\u5728\u6982\u7387\u6a21\u578b\u7684\u60c5\u51b5\u4e0b\uff0c\u6709\u5e78\u80fd\u5f97\u5230\u4e00\u4e2aAUC-ROC\u7684\u5355\u4e2a\u6570\u5b57\u3002\u4f46\u662f\uff0c\u4ecd\u7136\u9700\u8981\u67e5\u770b\u6574\u4e2a\u66f2\u7ebf\u53bb\u505a\u6700\u7ec8\u51b3\u5b9a\u3002\u53c8\u53ef\u80fd\u662f\u4e00\u4e2a\u6a21\u578b\u5728\u67d0\u4e9b\u8303\u56f4\u4e2d\u6027\u80fd\u66f4\u597d\uff0c\u5176\u4ed6\u7684\u5728\u522b\u7684\u8303\u56f4\u4e2d\u66f4\u597d\u3002<\/p>\n\n\n\n<p>\u4f7f\u7528ROC\u7684\u4f18\u70b9<\/p>\n\n\n\n<p>\u4e3a\u4ec0\u4e48\u8981\u4f7f\u7528ROC\u800c\u4e0d\u662f\u5347\u529b\u66f2\u7ebf\u7b49\u6307\u6807\uff1f<\/p>\n\n\n\n<p>\u5347\u529b\u53d6\u51b3\u4e8e\u4eba\u53e3\u7684\u603b\u54cd\u5e94\u7387\u3002\u56e0\u6b64\uff0c\u5982\u679c\u4eba\u53e3\u7684\u54cd\u5e94\u7387\u53d1\u751f\u53d8\u5316\uff0c\u540c\u4e00\u6a21\u578b\u5c06\u5e26\u6765\u4e0d\u540c\u7684\u5347\u529b\u56fe\u3002\u89e3\u51b3\u8fd9\u79cd\u95ee\u9898\u7684\u65b9\u6848\u53ef\u4ee5\u662f\u771f\u6b63\u7684\u5347\u529b\u56fe\uff08\u5728\u6bcf\u4e2a\u5341\u5206\u4f4d\u6570\u5904\u627e\u5230\u5347\u529b\u503c\u548c\u5b8c\u7f8e\u6a21\u578b\u5347\u529b\u503c\u7684\u6bd4\u7387\uff09\u3002\u4f46\u8fd9\u79cd\u6bd4\u4f8b\u5f88\u5c11\u5bf9\u4f01\u4e1a\u6709\u4ef7\u503c\u3002<\/p>\n\n\n\n<p>\u53e6\u4e00\u65b9\u9762\uff0cROC\u66f2\u7ebf\u51e0\u4e4e\u4e0e\u54cd\u5e94\u7387\u65e0\u5173\u3002\u8fd9\u662f\u56e0\u4e3a\u5b83\u6709\u4e24\u4e2a\u6765\u81ea\u6df7\u6dc6\u77e9\u9635\u67f1\u72b6\u8ba1\u7b97\u4e2d\u7684\u8f74\u3002\u5728\u54cd\u5e94\u7387\u53d8\u5316\u7684\u60c5\u51b5\u4e0b\uff0cx\u8f74\u548cy\u8f74\u7684\u5206\u5b50\u548c\u5206\u6bcd\u4e5f\u4f1a\u6709\u76f8\u5e94\u7684\u6539\u53d8\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>6. \u5bf9\u6570\u635f\u5931<\/strong><\/p>\n\n\n\n<p>\u786e\u5b9a\u6a21\u578b\u6027\u80fd\u65f6AUC-ROC\u4f1a\u8003\u8651\u9884\u6d4b\u6982\u7387\u3002\u7136\u800c\uff0cAUC ROC\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff0c\u5c31\u662f\u53ea\u8003\u8651\u6982\u7387\u7684\u987a\u5e8f\uff0c\u56e0\u6b64\u5ffd\u7565\u4e86\u6a21\u578b\u5bf9\u66f4\u53ef\u80fd\u662f\u6b63\u6837\u672c\u9884\u6d4b\u66f4\u9ad8\u6982\u7387\u7684\u80fd\u529b\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u91c7\u53d6\u5bf9\u6570\u635f\u5931\uff0c\u5b83\u53ea\u662f\u6bcf\u4e2a\u6848\u4f8b\u4fee\u6b63\u9884\u6d4b\u6982\u7387\u7684\u5bf9\u6570\u7684\u8d1f\u5e73\u5747\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/708b51dab4ff4aea97dbe8b003e72bb6?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u00b7 p( yi )\u662f\u6b63\u7c7b\u9884\u6d4b\u6982\u7387<\/p>\n\n\n\n<p>\u00b7 1-p( yi )\u662f\u8d1f\u7c7b\u9884\u6d4b\u6982\u7387<\/p>\n\n\n\n<p>\u00b7 yi = 1\u8868\u793a\u6b63\u7c7b\uff0c0\u8868\u793a\u8d1f\u7c7b\uff08\u5b9e\u9645\u503c\uff09<\/p>\n\n\n\n<p>\u968f\u673a\u8ba1\u7b97\u51e0\u4e2a\u503c\u7684\u5bf9\u6570\u635f\u5931\uff0c\u5f97\u51fa\u4e0a\u8ff0\u6570\u5b66\u51fd\u6570\u7684\u8981\u70b9\uff1a<\/p>\n\n\n\n<p>Logloss\uff081,0.1\uff09= 2.303<\/p>\n\n\n\n<p>Logloss\uff081,0.5\uff09= 0.693<\/p>\n\n\n\n<p>Logloss\uff081,0.9\uff09= 0.105<\/p>\n\n\n\n<p>\u5982\u679c\u7ed8\u5236\u8fd9\u79cd\u5173\u7cfb\uff0c\u66f2\u7ebf\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/2bc21feaef104e139452ba3c76b65a7a?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u4ece\u659c\u7387\u5411\u53f3\u4e0b\u65b9\u9010\u6e10\u5e73\u7f13\u53ef\u4ee5\u660e\u663e\u770b\u51fa\uff0c\u968f\u7740\u9884\u6d4b\u6982\u7387\u7684\u63d0\u9ad8\uff0c\u5bf9\u6570\u635f\u5931\u503c\u9010\u6e10\u4e0b\u964d\u3002\u4e0d\u8fc7\u53cd\u65b9\u5411\u79fb\u52a8\u65f6\uff0c\u5bf9\u6570\u635f\u5931\u5feb\u901f\u589e\u52a0\u800c\u9884\u6d4b\u6982\u7387\u8d8b\u8fd1\u4e8e0\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u964d\u4f4e\u5bf9\u6570\u635f\u5931\uff0c\u5bf9\u6a21\u578b\u66f4\u597d\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u597d\u7684\u5bf9\u6570\u635f\u5931\u6ca1\u6709\u7edd\u5bf9\u7684\u8861\u91cf\u6807\u51c6\uff0c\u5b83\u53d6\u51b3\u4e8e\u7528\u4f8b\u6216\u8005\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n<p>\u867d\u7136AUC\u662f\u6839\u636e\u5177\u6709\u4e0d\u540c\u51b3\u7b56\u9608\u503c\u7684\u4e8c\u8fdb\u5236\u5206\u7c7b\u8ba1\u7b97\u7684\uff0c\u4f46\u5bf9\u6570\u635f\u5931\u5b9e\u9645\u4e0a\u8003\u8651\u4e86\u5206\u7c7b\u7684\u201c\u786e\u5b9a\u6027\u201d\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>7. \u57fa\u5c3c\u7cfb\u6570<\/strong><\/p>\n\n\n\n<p>\u57fa\u5c3c\u7cfb\u6570\u6709\u65f6\u7528\u4e8e\u5206\u7c7b\u95ee\u9898\u3002\u57fa\u5c3c\u7cfb\u6570\u53ef\u7531AUC ROC\u6570\u76f4\u63a5\u5bfc\u51fa\u3002\u57fa\u5c3c\u53ea\u662fROC\u66f2\u7ebf\u548cdiagnol\u7ebf\u4e4b\u95f4\u7684\u9762\u79ef\u4e0e\u4e0a\u8ff0\u4e09\u89d2\u5f62\u7684\u9762\u79ef\u4e4b\u6bd4\u3002\u4e0b\u9762\u662f\u4f7f\u7528\u516c\u5f0f\uff1a<\/p>\n\n\n\n<p>Gini = 2*AUC \u2013 1<\/p>\n\n\n\n<p>\u57fa\u5c3c\u7cfb\u6570\u9ad8\u4e8e60\uff05\uff0c\u6a21\u578b\u5c31\u5f88\u597d\u3002\u5bf9\u4e8e\u76ee\u524d\u7684\u60c5\u51b5\u800c\u8a00\uff0c\u57fa\u5c3c\u7cfb\u6570\u7684\u503c\u4e3a92.7\uff05\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>8. Concordant \u2013 Discordant ratio<\/strong><\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4efb\u4f55\u5206\u7c7b\u9884\u6d4b\u95ee\u9898\uff0c\u8fd9\u4e5f\u662f\u6700\u91cd\u8981\u7684\u6307\u6807\u4e4b\u4e00\u3002\u60f3\u8981\u7406\u89e3\u8fd9\u4e2a\uff0c\u5148\u5047\u8bbe\u67093\u540d\u5b66\u751f\u4eca\u5e74\u6709\u53ef\u80fd\u901a\u8fc7\u3002\u4ee5\u4e0b\u662f\u9884\u6d4b\uff1a<\/p>\n\n\n\n<p>A \u2013 0.9<\/p>\n\n\n\n<p>B \u2013 0.5<\/p>\n\n\n\n<p>C \u2013 0.3<\/p>\n\n\n\n<p>\u73b0\u5728\u60f3\u8c61\u4e00\u4e0b\u3002\u5982\u679c\u4ece\u8fd9\u4e09\u4e2a\u5b66\u751f\u4e2d\u6311\u4e24\u5bf9\uff0c\u4f1a\u6709\u591a\u5c11\u5bf9\uff1f\u5c06\u67093\u79cd\u7ec4\u5408\uff1aAB\u3001BC\u548cCA\u3002\u73b0\u5728\uff0c\u5e74\u5e95\u7ed3\u675f\u540e\uff0cA\u548cC\u901a\u8fc7\u4e86\uff0c\u800cB\u6ca1\u6709\u3002\u4e0d\u884c\uff0c\u9009\u62e9\u6240\u6709\u914d\u5bf9\uff0c\u627e\u5230\u4e00\u4e2aresponder\u548c\u5176\u4ed6non-responder\u3002\u8fd9\u6837\u7684\u914d\u5bf9\u6709\u591a\u5c11\uff1f<\/p>\n\n\n\n<p>\u6709\u4e24\u5bf9\uff1aAB\u548cBC\u3002\u73b0\u5728\u5bf9\u4e8e2\u5bf9\u4e2d\u7684\u6bcf\u4e00\u5bf9\uff0c\u4e00\u81f4\u5bf9( concordant pair )\u662fresponder\u7684\u6982\u7387\u9ad8\u4e8enon-responder\u7684\u3002\u800c\u4e0d\u4e00\u81f4\u7684\u5bf9( discordant pair )\u867d\u60c5\u51b5\u76f8\u53cd\u4f46\u4e5f\u662f\u5982\u6b64\u3002\u5982\u679c\u4e24\u4e2a\u6982\u7387\u76f8\u7b49\uff0c\u5c31\u79f0\u4e4b\u4e3a\u76f8\u5f53\u7684\u3002\u73b0\u5728\u6765\u770b\u770b\u6848\u4f8b\u4e2d\u53d1\u751f\u4e86\u4ec0\u4e48\uff1a<\/p>\n\n\n\n<p>AB \u2013 Concordant<\/p>\n\n\n\n<p>BC \u2013 Discordant<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0c\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d50\uff05\u7684\u4e00\u81f4\u6848\u4f8b\u3002\u4e00\u81f4\u7387\u8d85\u8fc760\uff05\u4f1a\u88ab\u89c6\u4e3a\u597d\u6a21\u578b\u3002\u5728\u51b3\u5b9a\u9501\u5b9a\u5ba2\u6237\u6570\u91cf\u65f6\uff0c\u901a\u5e38\u4e0d\u4f7f\u7528\u6b64\u6307\u6807\u6807\u51c6\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u6d4b\u8bd5\u6a21\u578b\u7684\u9884\u6d4b\u80fd\u529b\u3002\u50cf\u9501\u5b9a\u5ba2\u6237\u6570\u91cf\u7684\u8bdd\uff0c\u5c31\u518d\u6b21\u91c7\u7528KS\u56fe\u6216\u8005\u63d0\u5347\u56fe\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>9. \u5747\u65b9\u6839\u8bef\u5dee<\/strong><\/p>\n\n\n\n<p>RMSE\u662f\u56de\u5f52\u95ee\u9898\u4e2d\u6700\u5e38\u7528\u7684\u8bc4\u4f30\u6307\u6807\u3002\u5b83\u9075\u5faa\u4e00\u4e2a\u5047\u8bbe\uff0c\u5373\u8bef\u5dee\u65e0\u504f\uff0c\u9075\u5faa\u6b63\u6001\u5206\u5e03\u3002\u4ee5\u4e0b\u662fRMSE\u9700\u8981\u6ce8\u610f\u7684\u8981\u70b9\uff1a<\/p>\n\n\n\n<p>1.\u201c\u5e73\u65b9\u6839\u201d\u4f7f\u8be5\u6307\u6807\u80fd\u591f\u663e\u793a\u5f88\u591a\u504f\u5dee\u3002<\/p>\n\n\n\n<p>2.\u6b64\u6307\u6807\u7684\u201c\u5e73\u65b9\u201d\u7279\u6027\u6709\u52a9\u4e8e\u63d0\u4f9b\u66f4\u5f3a\u5927\u7684\u7ed3\u679c\uff0c\u4ece\u800c\u9632\u6b62\u53d6\u6d88\u6b63\u8d1f\u8bef\u5dee\u503c\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u8be5\u6307\u6807\u6070\u5f53\u5730\u663e\u793a\u4e86\u9519\u8bef\u672f\u8bed\u7684\u5408\u7406\u5e45\u5ea6\u3002<\/p>\n\n\n\n<p>3.\u5b83\u907f\u514d\u4f7f\u7528\u7edd\u5bf9\u8bef\u5dee\u503c\uff0c\u8fd9\u5728\u6570\u5b66\u8ba1\u7b97\u4e2d\u662f\u6781\u4e0d\u5e0c\u671b\u770b\u5230\u7684\u3002<\/p>\n\n\n\n<p>4.\u6709\u66f4\u591a\u6837\u672c\u65f6\uff0c\u4f7f\u7528RMSE\u91cd\u5efa\u8bef\u5dee\u5206\u5e03\u88ab\u8ba4\u4e3a\u66f4\u53ef\u9760\u3002<\/p>\n\n\n\n<p>5.RMSE\u53d7\u5f02\u5e38\u503c\u7684\u5f71\u54cd\u5f88\u5927\u3002\u56e0\u6b64\uff0c\u8bf7\u786e\u4fdd\u5728\u4f7f\u7528\u6b64\u6307\u6807\u4e4b\u524d\u5df2\u4ece\u6570\u636e\u96c6\u4e2d\u5220\u9664\u4e86\u5f02\u5e38\u503c\u3002<\/p>\n\n\n\n<p>6.\u4e0e\u5e73\u5747\u7edd\u5bf9\u8bef\u5dee\u76f8\u6bd4\uff0cRMSE\u63d0\u4f9b\u66f4\u9ad8\u7684\u6743\u91cd\u5e76\u60e9\u7f5a\u5927\u9519\u8bef\u3002<\/p>\n\n\n\n<p>RMSE\u6307\u6807\u7531\u4ee5\u4e0b\u516c\u5f0f\u7ed9\u51fa\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/0929901f4c7e4f2380683eebcd723ae7?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u5176\u4e2d\uff0cN\u662f\u6837\u672c\u603b\u6570\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>10. \u5747\u65b9\u6839\u5bf9\u6570\u8bef\u5dee<\/strong><\/p>\n\n\n\n<p>\u5728\u5747\u65b9\u6839\u5bf9\u6570\u8bef\u5dee\u7684\u60c5\u51b5\u4e0b\uff0c\u91c7\u7528\u9884\u6d4b\u548c\u5b9e\u9645\u503c\u7684\u5bf9\u6570\u3002\u57fa\u672c\u4e0a\uff0c\u6b63\u5728\u6d4b\u91cf\u7684\u65b9\u5dee\u5c31\u662f\u53d8\u5316\u3002\u9884\u6d4b\u503c\u548c\u771f\u503c\u90fd\u5f88\u5e9e\u5927\u65f6\u4e0d\u5e0c\u671b\u5904\u7406\u9884\u6d4b\u503c\u548c\u5b9e\u9645\u503c\u5b58\u5728\u7684\u5de8\u5927\u5dee\u5f02\u8bdd\u901a\u5e38\u91c7\u7528RMSLE\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/9facc0f246724b81b89228e21a4e1e7c?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>1.\u5982\u679c\u9884\u6d4b\u503c\u548c\u5b9e\u9645\u503c\u90fd\u5f88\u5c0f\uff1aRMSE\u548cRMSLE\u76f8\u540c\u3002<\/p>\n\n\n\n<p>2.\u5982\u679c\u9884\u6d4b\u503c\u6216\u5b9e\u9645\u503c\u5f88\u5927\uff1aRMSE&gt; RMSLE<\/p>\n\n\n\n<p>3.\u5982\u679c\u9884\u6d4b\u503c\u548c\u5b9e\u9645\u503c\u90fd\u5f88\u5927\uff1aRMSE&gt; RMSLE\uff08RMSLE\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u8ba1\uff09<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>11. R-Squared\/Adjusted R-Squared<\/strong><\/p>\n\n\n\n<p>\u5df2\u7ecf\u77e5\u9053RMSE\u964d\u4f4e\u65f6\uff0c\u6a21\u578b\u7684\u6027\u80fd\u5c06\u4f1a\u63d0\u9ad8\u3002\u4f46\u4ec5\u51ed\u8fd9\u4e9b\u503c\u5e76\u4e0d\u76f4\u89c2\u3002<\/p>\n\n\n\n<p>\u5728\u5206\u7c7b\u95ee\u9898\u7684\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6a21\u578b\u7684\u51c6\u786e\u5ea6\u4e3a0.8\uff0c\u53ef\u4ee5\u8861\u91cf\u6a21\u578b\u5bf9\u968f\u673a\u6a21\u578b\u7684\u6709\u6548\u6027\uff0c\u54ea\u4e2a\u51c6\u786e\u5ea6\u4e3a0.5\u3002\u56e0\u6b64\uff0c\u968f\u673a\u6a21\u578b\u53ef\u4ee5\u4f5c\u4e3a\u57fa\u51c6\u3002\u4f46\u662f\u5728\u8c08\u8bbaRMSE\u6307\u6807\u65f6\uff0c\u5374\u6ca1\u6709\u6bd4\u8f83\u57fa\u51c6\u3002<\/p>\n\n\n\n<p>\u8fd9\u91cc\u53ef\u4ee5\u4f7f\u7528R-Squared\u6307\u6807\u3002R-Squared\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/f0911fbfed7b4b23a8b64ad09e122725?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/b1d1c58c98f843bebdbbbd7a6137aea3?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>MSE\uff08\u6a21\u578b\uff09\uff1a\u9884\u6d4b\u503c\u4e0e\u5b9e\u9645\u503c\u7684\u5e73\u5747\u8bef\u5dee<\/p>\n\n\n\n<p>MSE\uff08\u57fa\u7ebf\uff09\uff1a\u5e73\u5747\u9884\u6d4b\u503c\u4e0e\u5b9e\u9645\u503c\u7684\u5e73\u5747\u8bef\u5dee<\/p>\n\n\n\n<p>\u6362\u8a00\u4e4b\uff0c\u4e0e\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u6a21\u578b\u76f8\u6bd4\uff0c\u56de\u5f52\u6a21\u578b\u53ef\u4ee5\u8bf4\u5f88\u4e0d\u9519\u4e86\uff0c\u4e00\u4e2a\u7b80\u5355\u7684\u6a21\u578b\u53ea\u80fd\u9884\u6d4b\u8bad\u7ec3\u96c6\u4e2d\u76ee\u6807\u7684\u5e73\u5747\u503c\u4f5c\u4e3a\u9884\u6d4b\u3002<\/p>\n\n\n\n<p>Adjusted R-Squared\u8c03\u6574\u540e\u7684\u53ef\u51b3\u7cfb\u6570\uff08\u53c2\u8003\uff09<\/p>\n\n\n\n<p>\u6a21\u578b\u8868\u73b0\u4e0ebaseline\u76f8\u540c\u65f6\uff0cR-Squared\u4e3a0\u3002\u6a21\u578b\u8d8a\u597d\uff0cR2\u503c\u8d8a\u9ad8\u3002\u6700\u4f73\u6a21\u578b\u542b\u6240\u6709\u6b63\u786e\u9884\u6d4b\u503c\u65f6\uff0cR-Squared\u4e3a1\u3002\u4f46\u662f\uff0c\u5411\u6a21\u578b\u6dfb\u52a0\u65b0\u529f\u80fd\u65f6\uff0cR-Squared\u503c\u4f1a\u589e\u52a0\u6216\u4fdd\u6301\u4e0d\u53d8\u3002R-Squared\u4e0d\u4f1a\u56e0\u6dfb\u52a0\u4e86\u5bf9\u6a21\u578b\u65e0\u4efb\u4f55\u4ef7\u503c\u7684\u529f\u80fd\u800c\u88ab\u5224\u201c\u5904\u7f5a\u201d\u3002\u56e0\u6b64\uff0cR-Squared\u7684\u6539\u8fdb\u7248\u672c\u662f\u7ecf\u8fc7\u8c03\u6574\u7684R-Squared\u3002\u8c03\u6574\u540e\u7684R-Squared\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/b4c29dbcb11647009d1b013b93ccf8e3?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>k\uff1a\u7279\u5f81\u6570\u91cf<\/p>\n\n\n\n<p>n\uff1a\u6837\u672c\u6570\u91cf<\/p>\n\n\n\n<p>\u5982\u4f60\u6240\u89c1\uff0c\u6b64\u6307\u6807\u4f1a\u8003\u8651\u7279\u5f81\u7684\u6570\u91cf\u3002\u6dfb\u52a0\u66f4\u591a\u7279\u5f81\u65f6\uff0c\u5206\u6bcd\u9879n-\uff08k +1\uff09\u51cf\u5c0f\uff0c\u56e0\u6b64\u6574\u4e2a\u8868\u8fbe\u5f0f\u5728\u589e\u5927\u3002<\/p>\n\n\n\n<p>\u5982\u679cR-Squared\u6ca1\u6709\u589e\u5927\uff0c\u90a3\u610f\u5473\u7740\u6dfb\u52a0\u7684\u529f\u80fd\u5bf9\u6a21\u578b\u6ca1\u6709\u4ef7\u503c\u3002\u56e0\u6b64\u603b\u7684\u6765\u8bf4\uff0c\u57281\u4e0a\u51cf\u53bb\u4e00\u4e2a\u66f4\u5927\u7684\u503c\uff0c\u8c03\u6574\u7684r2\uff0c\u53cd\u800c\u4f1a\u51cf\u5c11\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u8fd911\u4e2a\u6307\u6807\u4e4b\u5916\uff0c\u8fd8\u6709\u53e6\u4e00\u79cd\u68c0\u9a8c\u6a21\u578b\u6027\u80fd\u3002\u8fd97\u79cd\u65b9\u6cd5\u5728\u6570\u636e\u79d1\u5b66\u4e2d\u5177\u6709\u7edf\u8ba1\u5b66\u610f\u4e49\u3002\u4f46\u662f\uff0c\u968f\u7740\u673a\u5668\u5b66\u4e60\u7684\u5230\u6765\uff0c\u6211\u4eec\u73b0\u5728\u62e5\u6709\u66f4\u5f3a\u5927\u7684\u6a21\u578b\u9009\u62e9\u65b9\u6cd5\u3002\u6ca1\u9519\uff01\u73b0\u5728\u6765\u8c08\u8bba\u4e00\u4e0b\u4ea4\u53c9\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p>\u867d\u7136\u4ea4\u53c9\u9a8c\u8bc1\u4e0d\u662f\u771f\u6b63\u7684\u8bc4\u4f30\u6307\u6807\uff0c\u4f1a\u516c\u5f00\u7528\u4e8e\u4f20\u8fbe\u6a21\u578b\u7684\u51c6\u786e\u6027\u3002\u4f46\u4ea4\u53c9\u9a8c\u8bc1\u63d0\u4f9b\u4e86\u8db3\u591f\u76f4\u89c2\u7684\u6570\u636e\u6765\u6982\u62ec\u6a21\u578b\u7684\u6027\u80fd\u3002<\/p>\n\n\n\n<p>\u73b0\u5728\u6765\u8be6\u7ec6\u4e86\u89e3\u4ea4\u53c9\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>12.\u4ea4\u53c9\u9a8c\u8bc1\uff08\u867d\u7136\u4e0d\u662f\u6307\u6807\uff01\uff09<\/strong><\/p>\n\n\n\n<p>\u9996\u5148\u6765\u4e86\u89e3\u4ea4\u53c9\u9a8c\u8bc1\u7684\u91cd\u8981\u6027\u3002\u7531\u4e8e\u65e5\u7a0b\u7d27\u5f20\uff0c\u8fd9\u4e9b\u5929\u7b14\u8005\u6ca1\u6709\u592a\u591a\u65f6\u95f4\u53bb\u53c2\u52a0\u6570\u636e\u79d1\u5b66\u7ade\u8d5b\u3002\u5f88\u4e45\u4ee5\u524d\uff0c\u7b14\u8005\u53c2\u52a0\u4e86Kaggle\u7684TFI\u6bd4\u8d5b\u3002\u8fd9\u91cc\u5c31\u4e0d\u76f8\u4fe1\u4ecb\u7ecd\u7b14\u8005\u7ade\u8d5b\u60c5\u51b5\u4e86\uff0c\u6211\u60f3\u5411\u5927\u5bb6\u5c55\u793a\u4e2a\u4eba\u7684\u516c\u5171\u548c\u79c1\u4eba\u6392\u884c\u699c\u5f97\u5206\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u662fKaggle\u5f97\u5206\u7684\u4e00\u4e2a\u4f8b\u5b50\uff01<\/p>\n\n\n\n<p>\u5bf9\u4e8eTFI\u6bd4\u8d5b\uff0c\u4ee5\u4e0b\u662f\u4e2a\u4eba\u7684\u4e09\u4e2a\u89e3\u51b3\u65b9\u6848\u548c\u5206\u6570\uff08\u8d8a\u5c0f\u8d8a\u597d\uff09\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/bdb5871c464746b69c478147cbc05351?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u53ef\u4ee5\u6ce8\u610f\u5230\uff0c\u516c\u5171\u5206\u6570\u6700\u5dee\u7684\u7b2c\u4e09\u4e2a\u6761\u76ee\u6210\u4e3a\u4e86\u79c1\u4eba\u6392\u884c\u699c\u4e0a\u7684\u6700\u4f73\u6a21\u578b\u3002\u201csubmission_all.csv\u201d\u4e4b\u524d\u670920\u591a\u4e2a\u6a21\u578b\uff0c\u4f46\u7b14\u8005\u4ecd\u7136\u9009\u62e9\u201csubmission_all.csv\u201d\u4f5c\u4e3a\u6700\u7ec8\u6761\u76ee\uff08\u5b9e\u8df5\u8bc1\u660e\u786e\u5b9e\u5f88\u6709\u6548\uff09\u3002\u662f\u4ec0\u4e48\u5bfc\u81f4\u4e86\u8fd9\u79cd\u73b0\u8c61\uff1f\u7b14\u8005\u7684\u516c\u5171\u548c\u79c1\u4eba\u6392\u884c\u699c\u7684\u5dee\u5f02\u662f\u8fc7\u5ea6\u62df\u5408\u9020\u6210\u7684\u3002<\/p>\n\n\n\n<p>\u6a21\u578b\u53d8\u5f97\u9ad8\u5ea6\u590d\u6742\u65f6\uff0c\u8fc7\u5ea6\u62df\u5408\u4e5f\u4f1a\u5f00\u59cb\u6355\u6349\u566a\u97f3\u3002\u8fd9\u79cd\u201c\u566a\u97f3\u201d\u5bf9\u6a21\u578b\u6ca1\u6709\u4efb\u4f55\u4ef7\u503c\uff0c\u53ea\u4f1a\u8ba9\u5176\u51c6\u786e\u5ea6\u964d\u4f4e\u3002<\/p>\n\n\n\n<p>\u4e0b\u4e00\u8282\u4e2d\uff0c\u7b14\u8005\u5c06\u8ba8\u8bba\u5728\u771f\u6b63\u4e86\u89e3\u6d4b\u8bd5\u7ed3\u679c\u4e4b\u524d\uff0c\u5982\u4f55\u5224\u65ad\u89e3\u51b3\u65b9\u6848\u662f\u5426\u8fc7\u5ea6\u62df\u5408\u3002<\/p>\n\n\n\n<p>\u6982\u5ff5\uff1a\u4ea4\u53c9\u9a8c\u8bc1<\/p>\n\n\n\n<p>\u4ea4\u53c9\u9a8c\u8bc1\u662f\u4efb\u4f55\u7c7b\u578b\u6570\u636e\u5efa\u6a21\u4e2d\u6700\u91cd\u8981\u7684\u6982\u5ff5\u4e4b\u4e00\u3002\u5c31\u662f\u8bf4\uff0c\u8bd5\u7740\u7559\u4e0b\u4e00\u4e2a\u6837\u672c\u96c6\uff0c\u4f46\u5e76\u4e0d\u5728\u8fd9\u4e2a\u6837\u672c\u96c6\u4e0a\u8bad\u7ec3\u6a21\u578b\uff0c\u5728\u6700\u7ec8\u786e\u5b9a\u6a21\u578b\u4e4b\u524d\u6d4b\u8bd5\u4f9d\u636e\u8be5\u6837\u672c\u96c6\u5efa\u7acb\u7684\u6a21\u578b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/68b0cbc2f3fd4a7e8cb51059e00439d3?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u4e0a\u56fe\u663e\u793a\u4e86\u5982\u4f55\u4f7f\u7528\u53ca\u65f6\u6837\u672c\u96c6\u9a8c\u8bc1\u6a21\u578b\u3002\u7b80\u5355\u5730\u5c06\u4eba\u53e3\u5206\u62102\u4e2a\u6837\u672c\uff0c\u5728\u4e00\u4e2a\u6837\u672c\u4e0a\u5efa\u7acb\u6a21\u578b\u3002\u5176\u4f59\u4eba\u53e3\u7528\u4e8e\u53ca\u65f6\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u65b9\u6cd5\u4f1a\u6709\u4e0d\u597d\u7684\u4e00\u9762\u5417\uff1f<\/p>\n\n\n\n<p>\u8fd9\u79cd\u65b9\u6cd5\u4e00\u4e2a\u6d88\u6781\u9762\u5c31\u662f\u5728\u8bad\u7ec3\u6a21\u578b\u65f6\u4e22\u5931\u4e86\u5927\u91cf\u6570\u636e\u3002\u56e0\u6b64\uff0c\u6a21\u578b\u7684\u504f\u5dee\u4f1a\u5f88\u5927\u3002\u8fd9\u4e0d\u4f1a\u7ed9\u7cfb\u6570\u505a\u51fa\u6700\u4f73\u4f30\u6d4b\u3002\u90a3\u4e48\u4e0b\u4e00\u4e2a\u6700\u4f73\u9009\u62e9\u662f\u4ec0\u4e48\uff1f<\/p>\n\n\n\n<p>\u5982\u679c\uff0c\u5c06\u8bad\u7ec3\u4eba\u53e3\u630950:50\u7684\u6bd4\u4f8b\u5206\u5f00\uff0c\u524d50\u7528\u4e8e\u8bad\u7ec3\uff0c\u540e50\u7528\u4e8e\u9a8c\u8bc1\u3002\u7136\u540e\u4e24\u7ec4\u98a0\u5012\u8fc7\u6765\u8fdb\u884c\u5b9e\u9a8c\u3002\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u5728\u6574\u4e2a\u4eba\u53e3\u57fa\u7840\u4e0a\u8bad\u7ec3\u6a21\u578b\uff0c\u4f46\u4e00\u6b21\u53ea\u501f\u752850\uff05\u3002\u8fd9\u6837\u53ef\u4ee5\u51cf\u5c11\u504f\u5dee\uff0c\u56e0\u4e3a\u6837\u54c1\u9009\u62e9\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u53ef\u4ee5\u63d0\u4f9b\u8f83\u5c0f\u7684\u6837\u672c\u6765\u8bad\u7ec3\u6a21\u578b\u3002\u8fd9\u79cd\u65b9\u6cd5\u79f0\u4e3a2\u6298\u4ea4\u53c9\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p>k\u6298\u4ea4\u53c9\u9a8c\u8bc1<\/p>\n\n\n\n<p>\u6700\u540e\u4e00\u4e2a\u4f8b\u5b50\u662f\u4ece2\u6298\u4ea4\u53c9\u9a8c\u8bc1\u63a8\u65ad\u5230k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u3002\u73b0\u5728\uff0c\u5c1d\u8bd5\u5c06k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u7684\u8fc7\u7a0b\u53ef\u89c6\u5316\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/bc5f53a8e09e49cf8d6a2f01568b9fda?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p>\u8fd9\u662f\u4e00\u4e2a7\u6298\u4ea4\u53c9\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p>\u771f\u5b9e\u60c5\u51b5\u662f\u8fd9\u6837\uff1a\u5c06\u6574\u4e2a\u4eba\u53e3\u5212\u5206\u4e3a7\u4e2a\u76f8\u540c\u7684\u6837\u672c\u96c6\u3002\u73b0\u5728\u57286\u4e2a\u6837\u672c\u96c6\uff08\u7eff\u8272\u6846\uff09\u4e0a\u8bad\u7ec3\u6a21\u578b\uff0c\u57281\u4e2a\u6837\u672c\u96c6\uff08\u7070\u8272\u6846\uff09\u4e0a\u8fdb\u884c\u9a8c\u8bc1\u3002\u7136\u540e\uff0c\u5728\u7b2c\u4e8c\u6b21\u8fed\u4ee3\u4e2d\uff0c\u4f7f\u7528\u4e0d\u540c\u7684\u6837\u672c\u96c6\u8bad\u7ec3\u6a21\u578b\u4f5c\u4e3a\u9a8c\u8bc1\u3002\u57287\u6b21\u8fed\u4ee3\u4e2d\uff0c\u57fa\u672c\u4e0a\u5728\u6bcf\u4e2a\u6837\u672c\u96c6\u4e0a\u90fd\u6784\u5efa\u4e86\u6a21\u578b\uff0c\u540c\u65f6\u4f5c\u4e3a\u9a8c\u8bc1\u3002\u8fd9\u662f\u4e00\u79cd\u964d\u4f4e\u9009\u62e9\u504f\u5dee\u3001\u51cf\u5c11\u9884\u6d4b\u65b9\u5dee\u7684\u65b9\u6cd5\u3002\u4e00\u65e6\u62e5\u6709\u6240\u6709\u8fd97\u4e2a\u6a21\u578b\uff0c\u5c31\u53ef\u4ee5\u5229\u7528\u5e73\u5747\u8bef\u5dee\u9879\u627e\u5230\u6700\u597d\u7684\u6a21\u578b\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u5982\u4f55\u5e2e\u52a9\u627e\u5230\u6700\u4f73\uff08\u975e\u8fc7\u5ea6\u62df\u5408\uff09\u6a21\u578b\u7684\uff1f<\/p>\n\n\n\n<p>k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u5e7f\u6cdb\u7528\u4e8e\u68c0\u67e5\u6a21\u578b\u662f\u5426\u662f\u8fc7\u5ea6\u62df\u5408\u3002\u5982\u679ck\u6b21\u5efa\u6a21\u4e2d\u7684\u6bcf\u4e00\u6b21\u7684\u6027\u80fd\u6307\u6807\u5f7c\u6b64\u63a5\u8fd1\uff0c\u90a3\u4e48\u6307\u6807\u7684\u5747\u503c\u6700\u9ad8\u3002\u5728Kaggle\u6bd4\u8d5b\u4e2d\uff0c\u4f60\u53ef\u80fd\u66f4\u591a\u5730\u4f9d\u8d56\u4ea4\u53c9\u9a8c\u8bc1\u5206\u6570\u800c\u4e0d\u662fKaggle\u516c\u5171\u5206\u6570\u3002\u8fd9\u6837\u5c31\u80fd\u786e\u4fdd\u516c\u5171\u5206\u6570\u4e0d\u5355\u5355\u662f\u5076\u7136\u51fa\u73b0\u3002<\/p>\n\n\n\n<p>\u5982\u4f55\u4f7f\u7528\u4efb\u4f55\u578b\u53f7\u5b9e\u73b0k\u6298\uff1f<\/p>\n\n\n\n<p>R\u548cPython\u4e2d\u7684k\u6298\u7f16\u7801\u975e\u5e38\u76f8\u4f3c\u3002\u4ee5\u4e0b\u662f\u5728Python\u4e2d\u7f16\u7801k-fold\u7684\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<p>from sklearn import cross_validation model = RandomForestClassifier(n_estimators=100) #Simple K-Fold cross validation. 5 folds. #(Note: in older scikit-learn versions the &#8220;n_folds&#8221; argument is named &#8220;k&#8221;.) cv = cross_validation.KFold(len(train), n_folds=5, indices=False) results = [] # &#8220;model&#8221; can be replaced by your model object # &#8220;Error_function&#8221; can be replaced by the error function of your analysis for traincv, testcv in cv: probas = model.fit(train[traincv], target[traincv]).predict_proba(train[testcv]) results.append( Error_function ) #print out the mean of the cross-validated results print &#8220;Results: &#8221; + str( np.array(results).mean() )<\/p>\n\n\n\n<p>\u4f46\u662f\u5982\u4f55\u9009\u62e9k\u5462\uff1f<\/p>\n\n\n\n<p>\u8fd9\u662f\u68d8\u624b\u7684\u90e8\u5206\u3002\u9700\u8981\u6743\u8861\u6765\u9009\u62e9k\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u5c0fk\uff0c\u6709\u66f4\u9ad8\u7684\u9009\u62e9\u504f\u5dee\u4f46\u6027\u80fd\u5dee\u5f02\u5f88\u5c0f\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u5927k\uff0c\u6709\u5c0f\u7684\u9009\u62e9\u504f\u5dee\u4f46\u6027\u80fd\u5dee\u5f02\u5f88\u5927\u3002<\/p>\n\n\n\n<p>\u60f3\u60f3\u6781\u7aef\u60c5\u51b5\uff1a<\/p>\n\n\n\n<p>k = 2\uff1a\u53ea\u67092\u4e2a\u6837\u672c\uff0c\u7c7b\u4f3c\u4e8e50-50\u4e2a\u4f8b\u5b50\u3002\u5728\u8fd9\u91cc\uff0c\u6bcf\u6b21\u4ec5\u572850\uff05\u7684\u4eba\u53e3\u4e2d\u6784\u5efa\u6a21\u578b\u3002\u4f46\u7531\u4e8e\u9a8c\u8bc1\u4f1a\u6709\u5f88\u591a\u4eba\uff0c\u6240\u4ee5 \u9a8c\u8bc1\u6027\u80fd\u7684\u5dee\u5f02\u662f\u6700\u5c0f\u7684\u3002<\/p>\n\n\n\n<p>k =\u6837\u672c\u6570( n )\uff1a\u8fd9\u4e5f\u79f0\u4e3a\u201c\u7559\u4e00\u6cd5\u201d\u3002\u6709n\u6b21\u6837\u672c\uff0c\u5efa\u6a21\u91cd\u590dn\u6b21\uff0c\u53ea\u7559\u4e0b\u4e00\u4e2a\u6837\u672c\u96c6\u8fdb\u884c\u4ea4\u53c9\u9a8c\u8bc1\u3002\u56e0\u6b64\uff0c\u9009\u62e9\u504f\u5dee\u5f88\u5c0f\uff0c\u4f46\u9a8c\u8bc1\u6027\u80fd\u7684\u5dee\u5f02\u975e\u5e38\u5927\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u9488\u5bf9\u5927\u591a\u6570\u60c5\u51b5\uff0c\u5efa\u8bae\u4f7f\u7528k = 10\u7684\u503c\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/p5.toutiaoimg.com\/origin\/pgc-image\/d2ee43379ea64320827ce6b848781450?from=pc\" alt=\"\u91cd\u70b9\uff0111\u4e2a\u91cd\u8981\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u8bc4\u4f30\u6307\u6807\"\/><\/figure>\n\n\n\n<p><strong>\u7ed3\u8bed<\/strong><\/p>\n\n\n\n<p>\u5728\u8bad\u7ec3\u6837\u672c\u4e0a\u8bc4\u4f30\u6a21\u578b\u6beb\u65e0\u610f\u4e49\u3002\u7559\u51fa\u5927\u91cf\u7684\u6837\u672c\u6765\u9a8c\u8bc1\u6a21\u578b\u4e5f\u662f\u5728\u6d6a\u8d39\u6570\u636e\u3002k\u6298\u4ea4\u53c9\u9a8c\u8bc1\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e00\u79cd\u4f7f\u7528\u5355\u4e2a\u6570\u636e\u70b9\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u51cf\u5c11\u9009\u62e9\u504f\u5dee\u3002\u540c\u65f6\uff0cK\u6298\u4ea4\u53c9\u9a8c\u8bc1\u53ef\u4ee5\u4e0e\u4efb\u4f55\u5efa\u6a21\u6280\u672f\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u672c\u6587\u4e2d\u4ecb\u7ecd\u7684\u6307\u6807\u6807\u51c6\u662f\u5206\u7c7b\u548c\u56de\u5f52\u95ee\u9898\u4e2d\u8bc4\u4f30\u6700\u5e38\u7528\u7684\u6307\u6807\u6807\u51c6\u3002<br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u539f\u6587\u5730\u5740\uff1ahttps:\/\/m.toutiao.com\/is\/8538JJY\/ \u6784\u5efa\u673a\u5668\u5b66\u4e60\u6a21\u578b\u7684\u60f3\u6cd5\u5e94\u57fa\u4e8e\u5efa\u8bbe [&hellip;]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[],"_links":{"self":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts\/4873"}],"collection":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4873"}],"version-history":[{"count":1,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts\/4873\/revisions"}],"predecessor-version":[{"id":4874,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=\/wp\/v2\/posts\/4873\/revisions\/4874"}],"wp:attachment":[{"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4873"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.taoteam.tech\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}