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class=\"wp-image-59039\"\/><\/figure><\/div>\n\n\n\n<p>\u6211\u4eec\u518d\u6765\u770b\u4e00\u4e0b\u7528\u62371\u548c\u7528\u62372\u5728\u53d1\u5238\u540e\u7684\u8d2d\u4e70\u6982\u7387\u53d8\u5316\u7684\u5dee\u503c\uff0c\u4e5f\u5c31\u662f\u65b0\u589e\u7684\u8fd9\u4e00\u5217Uplift\u7684\u503c\u3002\u53ef\u4ee5\u770b\u5230\u53d1\u5238\u540e\u7528\u62371\u7684\u8d2d\u4e70\u6982\u7387\u63d0\u5347\u4e860.5%\uff0c\u7528\u62372\u7684\u8d2d\u4e70\u6982\u7387\u63d0\u5347\u4e860.1%\uff0c\u53ef\u4ee5\u770b\u51fa\u53d1\u5238\u5bf9\u7528\u6237\u7684\u5f71\u54cd\u6548\u679c\u5927\u5c0f\u662f\u4e0d\u4e00\u6837\u7684\u3002\u5b83\u53ef\u4ee5\u9884\u6d4b\u7528\u6237\u7684\u8d2d\u4e70\u6982\u7387\uff0c\u4f46\u662f\u5b83\u65e0\u6cd5\u544a\u8bc9\u6211\u4eec\u7528\u6237\u662f\u5426\u56e0\u4e3a\u53d1\u653e\u4f18\u60e0\u5238\u800c\u4ea7\u751f\u8d2d\u4e70\uff0c\u4e5f\u5c31\u65e0\u6cd5\u8bc6\u522b\u51fa\u8425\u9500\u654f\u611f\u4eba\u7fa4\u3002<\/p>\n\n\n\n<p>\u8868\u683c\u4e2d\u663e\u793a\u4e86Response\u6a21\u578b\u548c\u56e0\u679c\u63a8\u65ad\u7684\u5173\u7cfb\u3002\u4ece\u53d1\u5238\u5230\u8d2d\u4e70\u662f\u6709\u56e0\u679c\u5173\u7cfb\u7684\uff0c\u6b64\u65f6\u5c31\u8981\u7528\u5230\u56e0\u679c\u63a8\u65ad\u6280\u672f\u3002<\/p>\n\n\n\n<p>\u76f8\u5173\u6027\u6a21\u578b\u662f\u57fa\u4e8e\u89c2\u6d4b\u7ed3\u679c\u5f97\u5230\u7684\uff0c\u6bd4\u5982\u89c2\u6d4b\u5230\u4e86\u4ec0\u4e48\u3001\u8d2d\u4e70\u6982\u7387\u662f\u600e\u6837\u7684\uff0c\u4e3b\u8981\u7528\u5e94\u7528\u5728\u641c\u7d22\u5e7f\u544a\u63a8\u8350\u7b49\u573a\u666f\u3002\u7136\u800c\u8865\u8d34\u573a\u666f\u4e2d\u7684\u53d1\u5238\u52a8\u4f5c\uff0c\u53ef\u4ee5\u770b\u4f5c\u662f\u5bf9\u7528\u6237\u7684\u4e00\u6b21\u5e72\u9884\u884c\u4e3a\uff0c\u6709\u65e0\u6cd5\u89c2\u6d4b\u5230\u7684\u5f02\u5e38\uff0c\u6211\u4eec\u79f0\u4e4b\u4e3a\u53cd\u4e8b\u5b9e\u3002\u4e5f\u5c31\u662f\u8bf4\u5728\u6709\u5e72\u9884\u5b58\u5728\u7684\u60c5\u51b5\u4e0b\uff0c\u76f8\u5bf9\u4e8e\u6ca1\u5e72\u9884\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u4ec0\u4e48\u60c5\u51b5\uff1f\u6bd4\u5982\u8bf4\u5982\u679c\u6211\u5f53\u65f6\u6ca1\u6709\u7ed9\u7528\u6237\u53d1\u5238\uff0c\u5b83\u7684\u7ed3\u679c\u4f1a\u662f\u600e\u6837\uff1f\u8fd9\u662f\u56e0\u679c\u63a8\u65ad\u6240\u7814\u7a76\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5728\u8425\u9500\u9886\u57df\u7684\u5e94\u7528\u4e3b\u8981\u662f\u589e\u91cf\u9884\u4f30\uff0c\u4e5f\u5c31\u662f\u6211\u4eec\u6240\u8bf4\u7684Uplift\u5efa\u6a21\uff0c\u53ef\u4ee5\u901a\u8fc7\u589e\u91cf\u7684\u5927\u5c0f\u6765\u8bc6\u522b\u51fa\u8425\u9500\u654f\u611f\u4eba\u7fa4\u3002<\/p>\n\n\n\n<h2 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class=\"wp-image-59040\"\/><\/figure><\/div>\n\n\n\n<p>\u901a\u8fc7\u524d\u9762\u90e8\u5206\u7684\u4ecb\u7ecd\u6211\u4eec\u5df2\u7ecf\u77e5\u9053\u76f8\u5173\u6027\u548c\u56e0\u679c\u6027\u662f\u4e0d\u4e00\u6837\u7684\uff0c\u6211\u4eec\u8fd9\u91cc\u518d\u4e3e\u4e00\u4e2a\u4f8b\u5b50\u3002\u5728\u6570\u636e\u7edf\u8ba1\u7f51\u7ad9\u4e2d\u6709\u5f88\u591a\u6709\u8da3\u7684\u76f8\u5173\u6027\u7684\u7edf\u8ba1\uff0c\u5176\u4e2d\u6709\u4e00\u4e2a\u662f\u5c3c\u53e4\u62c9\u65af\u51ef\u5947\u53c2\u6f14\u7535\u5f71\u6570\u91cf\u548c\u5f53\u5e74\u5ea6\u6cf3\u6c60\u6eba\u6c34\u8eab\u4ea1\u4eba\u6570\u7684\u76f8\u5173\u6027\u7edf\u8ba1\uff0c\u8fd9\u4e24\u6761\u66f2\u7ebf\u7684\u91cd\u5408\u5ea6\u975e\u5e38\u9ad8\uff0c\u662f\u4e0d\u662f\u53ef\u4ee5\u5f97\u51fa\u7ed3\u8bba\u2014\u2014\u56e0\u4e3a\u5c3c\u53e4\u62c9\u65af\u51ef\u5947\u6f14\u7535\u5f71\u5bfc\u81f4\u4eba\u6eba\u6c34\u5462\uff1f\u663e\u7136\u4e0d\u662f\u3002\u8fd8\u6709\u5f88\u591a\u8fd9\u6837\u7684\u4f8b\u5b50\uff0c\u4e3b\u8981\u4e3a\u4e86\u8bf4\u660e\u76f8\u5173\u6027\u548c\u56e0\u679c\u6027\u5e76\u4e0d\u4e00\u6837\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-137.png\" alt=\"\" class=\"wp-image-59041\"\/><\/figure><\/div>\n\n\n\n<ol class=\"wp-block-list\"><li>\u56e0\u679c\u63a8\u65ad<\/li><\/ol>\n\n\n\n<p>\u56de\u5230\u6b63\u9898\uff0cResponse\u6a21\u578b\u548cUplift\u6a21\u578b\u4e3b\u8981\u7684\u533a\u522b\u53ef\u4ee5\u7528\u8fd9\u4e24\u4e2a\u516c\u5f0f\u6765\u63cf\u8ff0\u3002Response\u6a21\u578b\u4e3b\u8981\u662f\u9884\u4f30\u7528\u6237\u7684\u8d2d\u4e70\u6982\u7387\uff0cUplift\u6a21\u578b\u4e3b\u8981\u9884\u4f30\u56e0\u4e3a\u67d0\u79cd\u5e72\u9884\u540e\u7528\u6237\u8d2d\u4e70\u7684\u6982\u7387\u3002\u56e0\u679c\u63a8\u65ad\u6280\u672f\u5728\u8425\u9500\u573a\u666f\u7684\u4e3b\u8981\u5e94\u7528\uff0c\u5c31\u662f\u57fa\u4e8eUplift\u5efa\u6a21\u6765\u9884\u6d4b\u8425\u9500\u5e72\u9884\u5e26\u6765\u7684\u589e\u76ca\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-138.png\" alt=\"\" class=\"wp-image-59042\"\/><\/figure><\/div>\n\n\n\n<ol class=\"wp-block-list\" 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class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-139.png\" alt=\"\" class=\"wp-image-59043\"\/><\/figure><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>Uplift\u5efa\u6a21\u65b9\u6cd5<\/li><\/ol>\n\n\n\n<p>\u63a5\u4e0b\u6765\u4ecb\u7ecdUplift\u5efa\u6a21\u7684\u5e38\u7528\u65b9\u6cd5\u3002\u8fd9\u91cc\u5efa\u6a21\u7528\u5230\u7684\u6570\u636e\u90fd\u662f\u5305\u542b\u6709\u5e72\u9884\u7684\u6570\u636e\u548c\u65e0\u5e72\u9884\u7684\u6570\u636e\u7684\u3002<\/p>\n\n\n\n<p>T-Learner\uff0c\u5176\u4e2dT\u4ee3\u8868two\u7684\u610f\u601d\uff0c\u4e5f\u5373\u7528\u4e24\u4e2a\u6a21\u578b\u3002\u5b83\u7684\u4e3b\u8981\u601d\u60f3\u662f\u5bf9\u5e72\u9884\u6570\u636e\u548c\u65e0\u5e72\u9884\u6570\u636e\u5206\u522b\u8fdb\u884c\u5efa\u6a21\uff0c\u9884\u4f30\u65f6\u6570\u636e\u8fdb\u5165\u4e24\u4e2a\u6a21\u578b\uff0c\u7528\u4e24\u4e2a\u6a21\u578b\u7684\u9884\u6d4b\u7ed3\u679c\u505a\u5dee\u503c\uff0c\u6765\u5f97\u5230\u9884\u4f30\u7684\u589e\u91cf\u3002\u8be5\u65b9\u6cd5\u7684\u4f18\u70b9\u662f\u539f\u7406\u6bd4\u8f83\u7b80\u5355\u76f4\u89c2\uff0c\u53ef\u4ee5\u5feb\u901f\u5b9e\u73b0\u3002\u4f46\u7f3a\u70b9\u662f\uff0c\u56e0\u4e3a\u4e24\u4e2a\u6a21\u578b\u7684\u7cbe\u5ea6\u4e0d\u4e00\u5b9a\u975e\u5e38\u9ad8\uff0c\u6240\u4ee5\u4e24\u4e2a\u6a21\u578b\u7684\u8bef\u5dee\u4f1a\u6709\u53e0\u52a0\uff0c\u5e76\u4e14\u56e0\u4e3a\u6709\u5dee\u5206\u7684\u64cd\u4f5c\uff0c\u8fd9\u662f\u95f4\u63a5\u8ba1\u7b97\u7684\u589e\u91cf\u3002<\/p>\n\n\n\n<p>S-Learner\uff0c\u5176\u4e2dS\u4ee3\u8868single\uff0c\u4e5f\u5373\u7528\u4e00\u4e2a\u6a21\u578b\u3002\u5b83\u7684\u4e3b\u8981\u601d\u60f3\u662f\u628a\u5e72\u9884\u4f5c\u4e3a\u7279\u5f81\u8f93\u5165\u6a21\u578b\uff0c\u5728\u9884\u6d4b\u65f6\uff0c\u540c\u6837\u662f\u7528\u6709\u5e72\u9884\u7684\u7ed3\u679c\u548c\u65e0\u5e72\u9884\u7684\u7ed3\u679c\u505a\u5dee\uff0c\u5f97\u5230\u9884\u4f30\u589e\u91cf\u3002\u548cResponse\u6a21\u578b\u6bd4\u8f83\u50cf\uff0c\u5c31\u76f8\u5f53\u4e8e\u7279\u5f81\u91cc\u9762\u6709\u201c\u662f\u5426\u5e72\u9884\u201d\u8fd9\u6837\u7684\u7279\u5f81\uff0c\u5b83\u7684\u4f18\u70b9\u662f\uff0c\u76f8\u6bd4T-Learner\u51cf\u5c11\u4e86\u8bef\u5dee\u7684\u7d2f\u79ef\uff0c\u4f46\u7f3a\u70b9\u540c\u6837\u662f\u95f4\u63a5\u7684\u8ba1\u7b97\u589e\u91cf\u3002<\/p>\n\n\n\n<p>X-Learner\uff0c\u5b83\u7684\u601d\u60f3\u662f\u5148\u5206\u522b\u5bf9\u6709\u5e72\u9884\u3001\u65e0\u5e72\u9884\u6570\u636e\u8fdb\u884c\u5efa\u6a21\uff0c\u518d\u7528\u4e24\u4e2a\u6a21\u578b\u6765\u4ea4\u53c9\u9884\u6d4b\uff0c\u5f97\u5230\u5e72\u9884\u6570\u636e\u548c\u65e0\u5e72\u9884\u6570\u636e\u5206\u522b\u7684\u53cd\u4e8b\u5b9e\u7ed3\u679c\u3002\u56e0\u4e3a\u8fd9\u662f\u8bad\u7ec3\u6570\u636e\uff0c\u5b83\u662f\u6709\u771f\u5b9elabel\u7684\uff0c\u518d\u7528\u771f\u5b9elabel\u548c\u521a\u624d\u9884\u6d4b\u7684\u53cd\u4e8b\u5b9e\u7ed3\u679c\u505a\u5dee\uff0c\u5f97\u5230\u589e\u91cf\uff1b\u628a\u589e\u91cf\u518d\u4f5c\u4e3alabel\uff0c\u518d\u9488\u5bf9\u589e\u91cf\u8fdb\u884c\u5efa\u6a21\u3002\u540c\u65f6\u5bf9\u6709\u65e0\u5e72\u9884\u8fdb\u884c\u5efa\u6a21\uff0c\u5f97\u5230\u5e72\u9884\u7684\u503e\u5411\u5206\uff0c\u5e76\u5728\u9884\u6d4b\u589e\u91cf\u7684\u65f6\u5019\u5f15\u5165\u503e\u5411\u5206\u6743\u91cd\u3002\u65b9\u6cd5\u7684\u4f18\u70b9\u5728\u4e8e\uff0c\u53ef\u4ee5\u5bf9\u524d\u9762\u6211\u4eec\u9884\u6d4b\u51fa\u6765\u7684\u589e\u91cf\u5efa\u6a21\u65f6\u52a0\u5165\u5148\u9a8c\u77e5\u8bc6\u8fdb\u884c\u4f18\u5316\uff0c\u6765\u63d0\u9ad8\u9884\u6d4b\u7684\u51c6\u786e\u6027\uff0c\u53e6\u5916\u8fd8\u5f15\u5165\u4e86\u503e\u5411\u5206\u6743\u91cd\u6765\u51cf\u5c11\u9884\u6d4b\u7684\u8bef\u5dee\u3002\u4f46\u5b83\u7684\u7f3a\u70b9\u4e5f\u662f\u591a\u6a21\u578b\u7684\u8bef\u5dee\uff0c\u53ef\u80fd\u4f1a\u6709\u7d2f\u79ef\uff0c\u5e76\u4e14\u5f52\u6839\u7ed3\u5e95\u4e5f\u662f\u95f4\u63a5\u5f97\u5230\u9884\u6d4b\u589e\u91cf\u3002<\/p>\n\n\n\n<p>\u4e0a\u9762\u8fd9\u51e0\u79cd\u65b9\u6cd5\u90fd\u662f\u95f4\u63a5\u5f97\u5230\u9884\u6d4b\u589e\u91cf\uff0c\u5f53\u7136\uff0c\u4e5f\u6709\u76f4\u63a5\u5bf9\u589e\u91cf\u8fdb\u884c\u5efa\u6a21\u7684\u65b9\u6cd5\uff0c\u6bd4\u5982\u57fa\u4e8e\u51b3\u7b56\u6811\u7684\u6a21\u578bTree-based Model\u3002\u8fd1\u51e0\u5e74\u4e5f\u6709\u4e00\u4e9b\u6df1\u5ea6\u5b66\u4e60\u7684\u65b9\u6cd5\uff0c\u6bd4\u5982DragonNet\u3002\u65f6\u95f4\u5173\u7cfb\uff0c\u8fd9\u91cc\u4e0d\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-140.png\" alt=\"\" class=\"wp-image-59044\"\/><\/figure><\/div>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>\u8bc4\u4f30\u65b9\u6cd5<\/li><\/ol>\n\n\n\n<p>\u90a3\u4e48Uplift\u6a21\u578b\u5e94\u8be5\u5982\u4f55\u8bc4\u4f30\u5462\uff1f\u8fd9\u91cc\u6211\u4eec\u53ef\u4ee5\u770b\u5230\uff0c\u56e0\u4e3a\u6709\u53cd\u4e8b\u5b9e\u95ee\u9898\u7684\u5b58\u5728\uff0c\u6211\u4eec\u662f\u6ca1\u6709\u771f\u5b9e\u7684\u589e\u91cf\u6807\u7b7e\u7684\uff0c\u4f20\u7edf\u7b97\u6cd5\u7684\u8bc4\u4f30\u65b9\u6cd5\uff0c\u5982AUC\u3001\u51c6\u786e\u7387\u3001RMSE\u7b49\u90fd\u662f\u4f9d\u8d56\u771f\u5b9e\u6807\u7b7e\u7684\u8bc4\u4f30\u65b9\u6cd5\uff0c\u5728\u8be5\u573a\u666f\u4e2d\u65e0\u6cd5\u4f7f\u7528\u3002Uplift\u6a21\u578b\u7684\u79bb\u7ebf\u8bc4\u4f30\u4f7f\u7528\u7684\u6307\u6807\u662fAUUC\uff0c\u5b83\u7684\u542b\u4e49\u662fUplift\u66f2\u7ebf\u4e0b\u7684\u9762\u79ef\u3002\u53ef\u4ee5\u770b\u4e00\u4e0b\u53f3\u4e0a\u89d2\u56fe\u4e2d\u84dd\u8272Uplift\u7684\u66f2\u7ebf\uff0cAUUC\u7684\u6307\u6807\u5bf9\u66f2\u7ebf\u505a\u79ef\u5206\uff0c\u6c42\u5b83\u66f2\u7ebf\u4e0b\u7684\u9762\u79ef\u3002\u95ee\u9898\u53c8\u6765\u4e86\uff0cUplift\u66f2\u7ebf\u662f\u5982\u4f55\u5f97\u5230\u7684\u5462\uff1f\u6211\u4eec\u53ef\u4ee5\u770b\u4e00\u4e0b\u516c\u5f0f\u3002\u8fd9\u91cc\u6211\u8fd8\u5217\u4e86\u4e00\u4e0bAUUC\u7684\u8ba1\u7b97\u6d41\u7a0b\uff0c\u5e2e\u52a9\u5927\u5bb6\u7406\u89e3\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff0c\u6d4b\u8bd5\u96c6\u8fdb\u5165\u6a21\u578b\uff0c\u8f93\u51faUplift Score\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff0c\u6240\u6709\u6d4b\u8bd5\u6837\u672c\u6839\u636eUplift Score\u505a\u964d\u5e8f\u6392\u5e8f\uff1b<\/p>\n\n\n\n<p>\u7b2c\u4e09\u6b65\uff0c\u8fdb\u884c\u5206\u6876\uff0c\u6bcf\u4e2a\u6876\u7684\u5e8f\u53f7\u8bb0\u4e3at\uff1b<\/p>\n\n\n\n<p>\u7b2c\u56db\u6b65\uff0c\u8ba1\u7b97\u6bcf\u4e2at\u7684\u7d2f\u8ba1\u589e\u76ca\u3002\u5176\u4e2d\uff0cY\u8868\u793a\u5206\u7ec4\u7684\u6b63\u4f8b\u7684\u6570\u91cf\uff0cT\u4ee3\u8868\u662f\u6709\u5e72\u9884\uff0cC\u4ee3\u8868\u65e0\u5e72\u9884\uff0cYT\u8868\u793a\u6709\u5e72\u9884\u7ec4\u7684\u6b63\u4f8b\u7684\u6570\u91cf\uff0c\u518d\u9664\u4ee5NT\u6709\u5e72\u9884\u7ec4\u603b\u7684\u6837\u672c\u6570\u91cf\u3002\u5047\u8bbelabel\u662f\u201c\u662f\u5426\u8f6c\u5316\u201d\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u770b\u5230YT\u9664\u4ee5NT\u662f\u5e72\u9884\u7ec4\u7684\u8f6c\u5316\u7387\u3002\u540c\u6837\uff0cYC\u9664\u4ee5NC\u662f\u65e0\u5e72\u9884\u7ec4\u7684\u8f6c\u5316\u7387\u3002\u53ef\u4ee5\u770b\u5230\u516c\u5f0f\u5de6\u8fb9\u662f\u5e72\u9884\u7ec4\u76f8\u5bf9\u65e0\u5e72\u9884\u7ec4\u7684\u8f6c\u5316\u7387\u7684\u589e\u91cf\uff0c\u53f3\u8fb9\u662f\u6837\u672c\u7684\u603b\u6570\u91cf\uff0c\u516c\u5f0f\u8ba1\u7b97\u4e86\u6536\u76ca\uff0c\u4e5f\u5373\u5e72\u9884\u7ec4\u76f8\u5bf9\u65e0\u5e72\u9884\u7ec4\u63d0\u5347\u4e86\u591a\u5c11\u8f6c\u5316\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e94\u6b65\uff0c\u6c42\u79ef\u5206\uff0c\u8ba1\u7b97\u66f2\u7ebf\u4e0b\u7684\u9762\u79ef\u3002<\/p>\n\n\n\n<p>Uplift Score \u8d8a\u51c6\uff0c\u7b2c\u4e00\u6b65\u5bf9\u6837\u672c\u7684\u6392\u5e8f\u8d8a\u51c6\uff0c\u6392\u5e8f\u8d8a\u9760\u524d\u7684\u6876\u5b9e\u9a8c\u7ec4\u548c\u5bf9\u7167\u7ec4\u7684\u6307\u6807\u7684\u5dee\u503c\u4f1a\u8d8a\u5927\u3002\u8fd9\u8868\u73b0\u4e3a\u66f2\u7ebf\u7684\u62f1\u5f62\u3002\u6240\u4ee5AUUC\u76f8\u5bf9\u8d8a\u9ad8\uff0c\u5c31\u8bf4\u660e\u76f8\u5bf9\u800c\u8a00\u6a21\u578b\u8d8a\u597d\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">03<br>\u56e0\u679c\u63a8\u65ad\u5728\u54c8\u5570\u7684\u5e94\u7528<\/h2>\n\n\n\n<p>\u63a5\u4e0b\u6765\u4ecb\u7ecd\u4e00\u4e0b\u56e0\u679c\u63a8\u65ad\u5728\u54c8\u5570\u662f\u5982\u4f55\u5e94\u7528\u7684\uff0c\u4e3b\u8981\u662fTree-based\u6a21\u578b\u3002\u8fd9\u90e8\u5206\u4f1a\u8be6\u7ec6\u8bb2\u89e3Tree-based\u6a21\u578b\u548c\u4e00\u4e9b\u521b\u65b0\u5e94\u7528\u3002\u8fd8\u6709\u79bb\u7ebf\u548c\u7ebf\u4e0a\u7684\u6548\u679c\u7684\u5c55\u793a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-141.png\" alt=\"\" class=\"wp-image-59045\"\/><\/figure>\n\n\n\n<ol class=\"wp-block-list\"><li>\u7ea2\u5305\u8865\u8d34<\/li><\/ol>\n\n\n\n<p>\u8fd9\u90e8\u5206\u5e94\u7528\u4e3b\u8981\u662f\u5728\u9152\u5e97\u8425\u9500\u573a\u666f\u4e2d\u7684\u7ea2\u5305\u8865\u8d34\u6a21\u5757\uff0c\u5c5e\u4e8e\u6574\u4e2a\u7b97\u6cd5\u94fe\u8def\u4e2d\u7684\u4e00\u73af\u3002\u524d\u9762\u5df2\u7ecf\u63d0\u5230\u8fc7\uff0c\u6211\u4eec\u7684\u76ee\u6807\u662f\u4f7f\u8865\u8d34\u6548\u7528\u6700\u5927\u5316\u3002\u4e3b\u8981\u770b\u7684\u6307\u6807\u662f\u4eba\u5747\u6548\u7528\uff0c\u5373\u603b\u6548\u7528\u9664\u4ee5\u4eba\u7fa4\u7684\u4eba\u6570\u3002<\/p>\n\n\n\n<p>\u6211\u4eec\u7684\u6a21\u578b\u662f\u57fa\u4e8eTree-based\u7684Uplift\u6a21\u578b\u505a\u4e86\u4e00\u4e9b\u6539\u8fdb\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-142.png\" alt=\"\" class=\"wp-image-59046\"\/><\/figure>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>Tree-based Model<\/li><\/ol>\n\n\n\n<p>\u6211\u4eec\u628a\u57fa\u4e8e\u51b3\u7b56\u6811\u7684Uplift\u6a21\u578b\u548c\u666e\u901a\u5206\u7c7b\u51b3\u7b56\u6811\u653e\u5728\u4e00\u8d77\u505a\u4e2a\u6bd4\u8f83\uff0c\u8fd9\u6837\u65b9\u4fbf\u7406\u89e3\u3002<\/p>\n\n\n\n<p>\u4e8c\u8005\u4e3b\u8981\u4e0d\u540c\u5728\u5206\u88c2\u7684\u51c6\u5219\u548c\u76ee\u6807\u3002\u666e\u901a\u7684\u51b3\u7b56\u6811\u7684\u5206\u88c2\u51c6\u5219\u662f\u4fe1\u606f\u589e\u76ca\uff0c\u8fd9\u6837\u4f7f\u5f97\u53f6\u5b50\u8282\u70b9\u7684\u4fe1\u606f\u71b5\u6700\u5c11\u3001\u7c7b\u522b\u7684\u4e0d\u786e\u5b9a\u6027\u6700\u5c0f\uff0c\u4ee5\u8fbe\u5230\u5206\u7c7b\u7684\u76ee\u7684\uff1b\u800c\u57fa\u4e8e\u51b3\u7b56\u6811\u7684Uplift\u6a21\u578b\u7684\u5206\u7c7b\u51c6\u5219\u662f\u5206\u5e03\u6563\u5ea6\uff0c\u6bd4\u5982\u5e38\u7528\u7684\u6709kl\u6563\u5ea6\u3001\u5361\u65b9\u6563\u5ea6\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f7f\u53f6\u5b50\u8282\u70b9\u4e2d\u5e72\u9884\u7ec4\u548c\u65e0\u5e72\u9884\u7ec4\u7684\u5206\u5e03\u5dee\u5f02\u6700\u5927\uff0c\u6765\u8fbe\u5230\u63d0\u5347\u589e\u76ca\u7684\u76ee\u7684\u3002<\/p>\n\n\n\n<p>\u4ece\u53f3\u8fb9\u7684\u793a\u610f\u56fe\u53ef\u4ee5\u770b\u51fa\u57fa\u4e8e\u51b3\u7b56\u6811\u7684Uplift\u7684\u6a21\u578b\u662f\u5982\u4f55\u505a\u5230\u533a\u5206\u8425\u9500\u654f\u611f\u4eba\u7fa4\u7684\uff0c\u6bcf\u4e2a\u53f6\u5b50\u8282\u70b9\u7684\u56fe\u6807\u8868\u793a\u7684\u662f\u53f6\u5b50\u8282\u70b9\u4e2d\u5360\u7edd\u5927\u591a\u6570\u7684\u4eba\u7fa4\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u6bd4\u8f83\u5bb9\u6613\u5730\u533a\u5206\u51fa\u8425\u9500\u654f\u611f\u4eba\u7fa4\u3002<\/p>\n\n\n\n<p>\u90a3\u4e48\u6211\u4eec\u4e3a\u4ec0\u4e48\u8981\u9009\u62e9\u57fa\u4e8e\u51b3\u7b56\u6811\u7684\u6a21\u578b\u5462\uff1f\u4e3b\u8981\u6709\u4e24\u70b9\u8003\u8651\uff1a<\/p>\n\n\n\n<p>\u2460 \u6811\u6a21\u578b\u89e3\u91ca\u6027\u6bd4\u8f83\u5f3a\uff0c\u8fd9\u70b9\u5bf9\u4e1a\u52a1\u7684\u5e94\u7528\u6bd4\u8f83\u6709\u5e2e\u52a9\u3002<\/p>\n\n\n\n<p>\u2461 \u76f4\u63a5\u5bf9\u589e\u91cf\u5efa\u6a21\u7684\u51c6\u786e\u6027\u66f4\u9ad8\uff0c\u5bf9\u4e1a\u52a1\u7684\u63d0\u5347\u662f\u6211\u4eec\u6700\u5173\u5fc3\u7684\u4e8b\u60c5\u3002<\/p>\n\n\n\n<p>\u63a5\u4e0b\u6765\u770b\u4e00\u4e0b\u6211\u4eec\u662f\u5982\u4f55\u6539\u8fdb\u57fa\u4e8e\u6811\u7684Uplift\u6a21\u578b\u7684\uff0c\u4ece\u800c\u5b9e\u73b0\u4ee5\u589e\u91cf\u6536\u76ca\u6700\u5927\u5316\u4e3a\u76ee\u6807\u7684Treelift\u6a21\u578b\u3002\u521a\u624d\u5df2\u7ecf\u63d0\u5230\uff0c\u6811\u6a21\u578b\u6700\u91cd\u8981\u7684\u70b9\u662f\u5206\u88c2\u51c6\u5219\u548c\u76ee\u6807\u7684\u4e00\u81f4\u6027\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4fee\u6539\u5206\u88c2\u51c6\u5219\uff0c\u6765\u4f7f\u5f97\u6a21\u578b\u7684\u76ee\u6807\u548c\u4e1a\u52a1\u76ee\u6807\u4e00\u81f4\u6027\u66f4\u9ad8\u3002<\/p>\n\n\n\n<p>\u76ee\u524d\u4e1a\u754c\u4e3b\u6d41\u7684\u7528\u6cd5\u8fd8\u662f\u5728\u7528\u6237\u8f6c\u5316\u4e0a\uff0c\u4e5f\u5c31\u662f\u8bf4\u6837\u672c\u7684label\u4e3a0\u6216\u80051\uff0c\u56e0\u6b64\u5c31\u53ef\u4ee5\u4f7f\u7528kl\u6563\u5ea6\u4f5c\u4e3a\u8282\u70b9\u7684\u5206\u88c2\u51c6\u5219\u3002\u800c\u6211\u4eec\u7684\u76ee\u6807\u662f\u4eba\u5747\u6548\u7528\uff0c\u7528kl\u6563\u5ea6\u5e76\u4e0d\u592a\u5408\u9002\uff0c\u56e0\u4e3akl\u6563\u5ea6\u662f\u8861\u91cf\u6982\u7387\u5206\u5e03\u7684\uff0c\u56e0\u6b64\u6211\u4eec\u6539\u8fdb\u4e86\u5206\u88c2\u51c6\u5219\u6765\u5339\u914d\u4e1a\u52a1\u76ee\u6807\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-143.png\" alt=\"\" class=\"wp-image-59047\"\/><\/figure>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>\u4ee5\u589e\u91cf\u6548\u7528\u4e3a\u76ee\u6807\u7684TreeCausal<\/li><\/ol>\n\n\n\n<p>\u8fd9\u91cc\u6211\u4eec\u662f\u4ee5\u6548\u7528\u4f5c\u4e3a\u6837\u672c\u7684label\uff0c\u90a3\u4e48\u4ee5\u5e72\u9884\u7ec4\u548c\u65e0\u5e72\u9884\u7ec4\u7684\u4eba\u5747\u6548\u7528\u7684\u5dee\u503c\u7684\u5e73\u65b9\u4f5c\u4e3a\u8282\u70b9\u7684\u5206\u88c2\u51c6\u5219\uff0c\u8fd9\u91cc\u7684\u76ee\u6807\u662f\u6700\u5927\u5316\u4eba\u5747\u6548\u7528\u5dee\u503c\u7684\u5e73\u65b9\u3002<\/p>\n\n\n\n<p>\u7b97\u6cd5\u6d41\u7a0b\uff1a<\/p>\n\n\n\n<p>\u7b2c\u4e00\u6b65\uff0c\u5047\u8bbe\u5206\u88c2\u524d\u7684\u6570\u636e\u96c6\u4e3atheta\uff0c\u90a3\u4e48\u8ba1\u7b97\u5206\u88c2\u524d\u53d1\u5238\u7ec4\u548c\u65e0\u5238\u7ec4\u6837\u672c\u4eba\u5747\u6548\u7528\u7684\u5dee\u5f02\u3002\u8fd9\u91cc\u6211\u4eec\u6548\u7528\u7684\u5dee\u5f02\u662f\u8fd9\u6837\u5b9a\u4e49\u7684\u3002G\u662f\u6bcf\u4e00\u4e2a\u7528\u6237\u7684label\u3002\u6211\u4eec\u5bf9\u6709\u5e72\u9884\u7ec4\u7684\u6bcf\u4e2a\u4eba\u7684\u6548\u7528\u505a\u6c42\u548c\uff0c\u518d\u9664\u4ee5\u5e72\u9884\u7ec4\u7684\u6837\u672c\u6570\uff0c\u5f97\u5230\u4eba\u5747\u6548\u7528\uff0c\u518d\u51cf\u53bb\u65e0\u5e72\u9884\u7ec4\u3002\u8fd9\u4e2a\u5dee\u503c\u505a\u5e73\u65b9\uff0c\u8fd9\u6837\u53ef\u4ee5\u8ba1\u7b97\u51fa\u5206\u88c2\u524d\u7684\u6548\u7528\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e8c\u6b65\uff0c\u6839\u636e\u67d0\u4e2a\u7279\u5f81f\u5c06\u6570\u636e\u96c6theta\u5206\u6210\u5de6\u53f3\u4e24\u4e2a\u5b50\u96c6theta1\u548ctheta2\uff0c\u8ba1\u7b97\u5206\u88c2\u540e\u7684\u4eba\u5747\u6548\u7528\u5dee\u5f02\uff0c\u53ef\u4ee5\u770b\u4e00\u4e0b\u53f3\u8fb9\u7684\u793a\u610f\u56fe\u3002\u5982\u679c\u7279\u5f81\u7684\u503c\u7b49\u4e8ef\uff0c\u5c31\u53ef\u4ee5\u5206\u5230\u5de6\u5b50\u96c6\uff0c\u5982\u679c\u4e0d\u7b49\u4e8ef\uff0c\u53ef\u4ee5\u5f97\u5230\u53f3\u5b50\u96c6\u3002\u63a5\u7740\u5bf9\u6bcf\u4e00\u4e2a\u5b50\u96c6\u90fd\u8ba1\u7b97\u4eba\u5747\u6548\u7528\u7684\u5dee\u5f02\uff0c\u518d\u6839\u636e\u6bcf\u4e00\u4e2a\u5b50\u96c6\u7684\u6837\u672c\u6bd4\u4f8b\u4f5c\u4e3a\u6743\u91cd\uff0c\u52a0\u6743\u6c42\u548c\uff0c\u6700\u7ec8\u5f97\u5230\u8ba1\u7b97\u5dee\u5f02\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e09\u6b65\uff0c\u8ba1\u7b97\u589e\u76ca\u3002\u5206\u88c2\u540e\u7684\u4eba\u5747\u6548\u7528\u5dee\u5f02\u51cf\u53bb\u5206\u88c2\u524d\u7684\u4eba\u5747\u6548\u7528\u5dee\u5f02\uff0c\u5f97\u5230\u589e\u76ca\u3002<\/p>\n\n\n\n<p>\u7b2c\u56db\u6b65\uff0c\u904d\u5386\u6570\u636e\u96c6theta\u4e2d\u6240\u6709\u7684\u7279\u5f81\u503c\uff0c\u91cd\u590d\u8fdb\u884c\u7b2c\u4e8c\u6b65\u3001\u7b2c\u4e09\u6b65\uff0c\u6211\u4eec\u4f1a\u5f97\u5230\u5f88\u591a\u5bf9\u5e94\u4e0d\u540c\u7279\u5f81\u503c\u7684\u589e\u76ca\u3002\u6211\u4eec\u53d6\u589e\u76ca\u6700\u5927\u65f6\u5bf9\u5e94\u7684\u7279\u5f81\u503c\uff0c\u4f5c\u4e3a\u8282\u70b9\u7684\u5206\u88c2\u503c\uff0c\u5c06\u6570\u636e\u96c6\u5206\u4e3a\u5de6\u5b50\u96c6\u548c\u53f3\u5b50\u96c6\u3002<\/p>\n\n\n\n<p>\u7b2c\u4e94\u6b65\uff0c\u9012\u5f52\u8c03\u7528\uff0c\u5bf9\u5de6\u5b50\u96c6\u548c\u53f3\u5b50\u96c6\u518d\u91cd\u590d\u4e0a\u8ff0\u6b65\u9aa4\uff0c\u751f\u6210Treelift\u6a21\u578b\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/www.growthhk.cn\/wp-content\/uploads\/2022\/02\/image-144.png\" alt=\"\" class=\"wp-image-59048\"\/><\/figure>\n\n\n\n<ol class=\"wp-block-list\" 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