{"id":6396,"date":"2025-10-17T16:21:24","date_gmt":"2025-10-17T08:21:24","guid":{"rendered":"https:\/\/nullthought.net\/?p=6396"},"modified":"2025-10-17T16:21:25","modified_gmt":"2025-10-17T08:21:25","slug":"a-b%e6%b5%8b%e8%af%95%e3%80%81%e7%81%b0%e5%ba%a6%e6%b5%8b%e8%af%95","status":"publish","type":"post","link":"https:\/\/nullthought.net\/?p=6396","title":{"rendered":"A\/B\u6d4b\u8bd5\u3001\u7070\u5ea6\u6d4b\u8bd5"},"content":{"rendered":"\n<h5 class=\"wp-block-heading\">\u4e00\u3001A\/B \u6d4b\u8bd5\u662f\u4ec0\u4e48<\/h5>\n\n\n\n<p>\u5728\u540c\u4e00\u65f6\u95f4\u7a97\u53e3\u91cc\uff0c\u5c06\u7528\u6237\u968f\u673a\u5206\u5230\u4e24\u4e2a\uff08\u6216\u591a\u4e2a\uff09\u7248\u672c\u4e2d\uff0c\u5bf9\u6bd4\u6838\u5fc3\u6307\u6807\u7684\u5dee\u5f02\uff0c\u4ee5\u5224\u65ad\u65b0\u65b9\u6848\u662f\u5426\u4f18\u4e8e\u65e7\u65b9\u6848\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A\uff1a\u5bf9\u7167\u7ec4\uff08\u73b0\u6709\u7248\u672c\uff09<\/li>\n\n\n\n<li>B\uff1a\u5b9e\u9a8c\u7ec4\uff08\u6539\u52a8\u7248\u672c\uff0c\u53ef\u80fd\u6709\u591a\u4e2a\uff1aB1\/B2\/\u2026\uff09<br>\u6838\u5fc3\u662f\u201c\u968f\u673a\u3001\u5e76\u884c\u3001\u53ef\u91cf\u5316\u201d\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e8c\u3001\u4e3a\u4ec0\u4e48\u8981\u505a<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9694\u79bb\u56e0\u679c\uff1a\u6392\u9664\u5b63\u8282\u3001\u6d3b\u52a8\u3001\u6d41\u91cf\u6ce2\u52a8\u7b49\u5916\u56e0\uff0c\u5c3d\u91cf\u628a\u6307\u6807\u53d8\u5316\u5f52\u56e0\u4e8e\u201c\u7248\u672c\u5dee\u5f02\u201d\u3002<\/li>\n\n\n\n<li>\u964d\u4f4e\u8bd5\u9519\u6210\u672c\uff1a\u5c0f\u89c4\u6a21\u9a8c\u8bc1\u6709\u6548\u518d\u5168\u9762\u4e0a\u7ebf\u3002<\/li>\n\n\n\n<li>\u91cf\u5316\u4f18\u5316\uff1a\u4ee5\u6570\u636e\u4e3a\u4f9d\u636e\u8fed\u4ee3\u4ea7\u54c1\u3001\u7b97\u6cd5\u3001\u8fd0\u8425\u7b56\u7565\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e09\u3001\u80fd\u6d4b\u4ec0\u4e48<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u8f6c\u5316\u7c7b\uff1a\u6ce8\u518c\u7387\u3001\u4e0b\u5355\u7387\u3001\u4ed8\u8d39\u7387\u3001\u7eed\u8d39\u7387\u3001\u6fc0\u6d3b\u7387\u3002<\/li>\n\n\n\n<li>\u7559\u5b58\u7c7b\uff1a1\/7\/30 \u65e5\u7559\u5b58\u3001\u6b21\u65e5\u56de\u8bbf\u3002<\/li>\n\n\n\n<li>\u6548\u7387\u7c7b\uff1a\u9875\u9762\u52a0\u8f7d\u65f6\u5ef6\u3001\u5ba2\u670d\u5904\u7406\u65f6\u957f\u3002<\/li>\n\n\n\n<li>\u6536\u76ca\u7c7b\uff1aARPU\u3001\u5ba2\u5355\u4ef7\u3001\u6bdb\u5229\u7387\u3002<\/li>\n\n\n\n<li>\u884c\u4e3a\u8def\u5f84\u7c7b\uff1a\u70b9\u51fb\u7387\u3001\u52a0\u8d2d\u7387\u3001\u5b8c\u6210\u6f0f\u6597\u6bd4\u4f8b\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u56db\u3001\u6b63\u786e\u7684\u5b9e\u9a8c\u8bbe\u8ba1\uff08\u6b65\u9aa4+\u8981\u70b9\uff09<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u660e\u786e\u76ee\u6807\u4e0e\u5047\u8bbe<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e1a\u52a1\u76ee\u6807\uff1a\u4f8b\u5982\u201c\u63d0\u5347\u65b0\u5ba2\u4e0b\u5355\u7387 +5%\u201d\u3002<\/li>\n\n\n\n<li>\u7edf\u8ba1\u5047\u8bbe\uff1aH0\uff08\u65e0\u5dee\u5f02\uff09 vs H1\uff08\u6709\u5dee\u5f02\uff09\u3002<\/li>\n\n\n\n<li>\u6307\u6807\u9009\u62e9\uff1a\u4e00\u4e2a<strong>\u6838\u5fc3\u6307\u6807<\/strong>\uff08\u4e3b\u6307\u6807\uff09\uff0c\u82e5\u5e72<strong>\u76d1\u63a7\u6307\u6807<\/strong>\uff08\u4e0d\u4f5c\u4e3a\u662f\u5426\u4e0a\u7ebf\u7684\u552f\u4e00\u4f9d\u636e\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"2\" class=\"wp-block-list\">\n<li>\u5b9a\u4e49\u53d7\u8bd5\u4eba\u7fa4\u4e0e\u5206\u6d41<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5206\u6876\uff1a\u968f\u673a\u4e14\u72ec\u7acb\uff0c\u5e38\u7528 50\/50\uff1b\u591a\u7248\u672c\u65f6\u5747\u8861\u6216\u6309\u6700\u5c0f\u53ef\u68c0\u51fa\u6548\u5e94\u5206\u914d\u3002<\/li>\n\n\n\n<li>\u7c92\u5ea6\uff1a\u7528\u6237\u7ea7\uff08\u6700\u5e38\u89c1\uff09\u3001\u8bbe\u5907\u7ea7\u6216\u4f1a\u8bdd\u7ea7\uff0c\u4e00\u81f4\u6027\u54c8\u5e0c\u786e\u4fdd\u540c\u4e00\u7528\u6237\u59cb\u7ec8\u8fdb\u540c\u4e00\u7ec4\u3002<\/li>\n\n\n\n<li>\u6c61\u67d3\u63a7\u5236\uff1a\u907f\u514d\u8de8\u7ec4\u66dd\u5149\uff08\u4f8b\u5982\u540c\u8d26\u53f7\u591a\u7aef\u767b\u5f55\u9020\u6210\u4e32\u7ec4\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"3\" class=\"wp-block-list\">\n<li>\u9884\u4f30\u6837\u672c\u91cf\u4e0e\u5b9e\u9a8c\u65f6\u957f<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9700\u8981\u8f93\u5165\uff1a\u57fa\u7ebf\u8f6c\u5316\u7387 p\u2080\u3001\u671f\u671b\u6700\u5c0f\u53ef\u68c0\u51fa\u5dee\u5f02 MDE\u3001\u663e\u8457\u6027\u6c34\u5e73 \u03b1\uff08\u5e38 0.05\uff09\u3001\u68c0\u9a8c\u529f\u6548 1-\u03b2\uff08\u5e38 0.8\uff09\u3002<\/li>\n\n\n\n<li>\u4e8c\u9879\u6307\u6807\u8fd1\u4f3c\u6837\u672c\u91cf\u516c\u5f0f\uff08\u53cc\u4fa7\uff09\uff1a <\/li>\n\n\n\n<li>\u65f6\u957f\uff1a\u7ed3\u5408\u65e5\u6d3b\/\u66dd\u5149\u91cf\u63a8\u56de\u6301\u7eed\u5929\u6570\uff1b\u5efa\u8bae\u8986\u76d6\u5b8c\u6574\u5468\u5468\u671f\u4ee5\u5e73\u6ed1\u5468\u5185\u6ce2\u52a8\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"260\" height=\"83\" src=\"https:\/\/nullthought.net\/wp-content\/uploads\/2025\/10\/image-11.png\" alt=\"\" class=\"wp-image-6397\"\/><\/figure>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>\u51b7\u542f\u52a8\u4e0e\u6e05\u6d17\u89c4\u5219<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9884\u70ed\u671f\uff1a\u524d 1\u20132 \u5929\u4ec5\u91c7\u96c6\u4e0d\u5224\u5b9a\uff0c\u7b49\u7cfb\u7edf\u7f13\u5b58\/\u7d22\u5f15\/\u6a21\u578b\u7a33\u5b9a\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u8fc7\u6ee4\uff1a\u5254\u9664\u5f02\u5e38\u6d41\u91cf\u3001\u5185\u6d4b\u8d26\u53f7\u3001\u722c\u866b\u3001\u8d85\u77ed\u4f1a\u8bdd\u7b49\u3002<\/li>\n<\/ul>\n\n\n\n<ol start=\"5\" class=\"wp-block-list\">\n<li>\u76d1\u63a7\u4e0e\u6b62\u635f<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Guardrail \u6307\u6807\uff1a\u5982\u5d29\u6e83\u7387\u3001\u65f6\u5ef6\u3001\u9000\u6b3e\u7387\u3002\u51fa\u73b0\u6076\u5316\u89e6\u53d1\u81ea\u52a8\u56de\u6eda\u3002<\/li>\n\n\n\n<li>\u7edf\u4e00\u57cb\u70b9\uff1a\u4e8b\u4ef6\u5b9a\u4e49\u3001\u65f6\u5e8f\u3001\u53bb\u91cd\u3001\u65f6\u533a\u4e00\u81f4\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e94\u3001\u5982\u4f55\u7edf\u8ba1\u68c0\u9a8c\uff08\u9891\u7387\u5b66\u6d3e\u5e38\u89c1\u505a\u6cd5\uff09<\/h5>\n\n\n\n<p>\u4ee5\u201c\u8f6c\u5316\u7387\u201d\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6bd4\u4f8b\u5dee Z \u68c0\u9a8c\u6216\u5361\u65b9\u68c0\u9a8c\uff1a\u6bd4\u8f83 pA \u4e0e pB\u3002<\/li>\n\n\n\n<li>\u5e73\u5747\u503c\uff08\u5982\u65f6\u957f\/\u91d1\u989d\uff09\uff1a\u72ec\u7acb\u6837\u672c t \u68c0\u9a8c\uff08\u4e0d\u7b49\u65b9\u5dee\u65f6\u7528 Welch t\uff09\u3002<\/li>\n\n\n\n<li>\u7f6e\u4fe1\u533a\u95f4\uff1a\u7ed9\u51fa\u5dee\u503c CI\uff0c\u82e5\u4e0d\u542b 0 \u5219\u663e\u8457\u3002<\/li>\n\n\n\n<li>\u591a\u7248\u672c\/\u591a\u6307\u6807\uff1a\u63a7\u5236\u5bb6\u65cf\u9519\u8bef\u7387\uff08Bonferroni\u3001Holm\uff09\u6216\u63a7\u5236 FDR\uff08Benjamini\u2013Hochberg\uff09\u3002<\/li>\n\n\n\n<li>\u8d5b\u9a6c\u5f0f\u4e0a\u7ebf\uff1a\u5148\u663e\u8457\u4f18\u80dc\u518d\u5168\u91cf\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u516d\u3001Bayesian\uff08\u8d1d\u53f6\u65af\uff09\u65b9\u5f0f\uff08\u7b80\u8ff0\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u76f4\u89c2\u8f93\u51fa\uff1aP(B \u4f18\u4e8e A) \u53ca\u5dee\u503c\u7684\u540e\u9a8c\u5206\u5e03\/\u7f6e\u4fe1\u533a\u95f4\uff08\u540e\u9a8c\u533a\u95f4\uff09\u3002<\/li>\n\n\n\n<li>\u9002\u5408\u8fde\u7eed\u76d1\u63a7\u4e0e\u201c\u968f\u770b\u968f\u5224\u201d\uff0c\u4f46\u9700\u4e8b\u5148\u8bbe\u5b9a\u505c\u6b62\u89c4\u5219\u548c\u9608\u503c\uff08\u5982 P>0.95 \u4e0a\u7ebf\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e03\u3001\u5e8f\u8d2f\u4e0e\u63d0\u65e9\u505c\u6b62<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9891\u7387\u5b66\u6d3e\u4e2d\u9014\u591a\u6b21\u770b\u6570\u4f1a\u201c\u81a8\u80c0\u201d\u2160\u7c7b\u9519\u8bef\uff08\u5047\u9633\u6027\uff09\u3002<\/li>\n\n\n\n<li>\u89e3\u51b3\uff1aGroup Sequential\uff08O\u2019Brien\u2013Fleming\u3001Pocock\uff09\u6216 Alpha Spending\u3002<\/li>\n\n\n\n<li>\u7b80\u5316\u65b9\u6848\uff1a<strong>\u56fa\u5b9a\u6837\u672c\u91cf\u3001\u5230\u70b9\u518d\u5224<\/strong>\uff1b\u6216\u4f7f\u7528\u7ecf\u8fc7\u6821\u6b63\u7684\u5e8f\u8d2f\u8bbe\u8ba1\u5de5\u5177\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u516b\u3001\u6548\u5e94\u5ea6\u91cf\u4e0e\u4e1a\u52a1\u89e3\u91ca<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7edd\u5bf9\u63d0\u5347\uff08pp\uff0cpercentage points\uff09\uff1apB \u2212 pA\u3002<\/li>\n\n\n\n<li>\u76f8\u5bf9\u63d0\u5347\uff08%\uff09\uff1a(pB \u2212 pA) \/ pA\u3002<\/li>\n\n\n\n<li>\u5b9e\u9645\u4ef7\u503c\uff1a\u7ed3\u5408\u6837\u672c\u91cf \u00d7 \u63d0\u5347 \u00d7 \u5229\u6da6\/\u6210\u672c\uff0c\u8bc4\u4f30\u5e74\u5316\u6536\u76ca\u3002<\/li>\n\n\n\n<li>\u5f02\u8d28\u6027\u5206\u6790\uff1a\u6309\u6e20\u9053\u3001\u5730\u533a\u3001\u7aef\u578b\u3001\u65b0\u8001\u5ba2\u5206\u5c42\u770b\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e5d\u3001\u5e38\u89c1\u5751\uff08\u8e29\u96f7\u6e05\u5355\uff09<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u672a\u968f\u673a\u6216\u4e32\u6876\uff1a\u540c\u4e00\u7528\u6237\u5728 A\/B \u6765\u56de\u8df3\uff0c\u5bfc\u81f4\u6c61\u67d3\u3002<\/li>\n\n\n\n<li>MDE \u8fc7\u5c0f\uff1a\u6837\u672c\u91cf\u4e0d\u8db3\uff0c\u5047\u9634\u6027\u591a\uff1b\u6216\u8fc7\u65e9\u505c\u6b62\u5bfc\u81f4\u5047\u9633\u6027\u3002<\/li>\n\n\n\n<li>\u6307\u6807\u201c\u8ffd\u6da8\u6740\u8dcc\u201d\uff1a\u4e2d\u9014\u770b\u89c1\u6296\u52a8\u5c31\u4e0b\u7ed3\u8bba\u3002<\/li>\n\n\n\n<li>\u9009\u62e9\u504f\u5dee\uff1a\u53ea\u5728\u201c\u5bb9\u6613\u8f6c\u5316\u201d\u7684\u9875\u9762\u5f00\u5b9e\u9a8c\uff0c\u5916\u63a8\u5931\u771f\u3002<\/li>\n\n\n\n<li>\u591a\u91cd\u6bd4\u8f83\u672a\u6821\u6b63\uff1a\u8bd5\u4e86\u5f88\u591a\u7248\u672c\uff0c\u6311\u4e00\u4e2a\u201c\u663e\u8457\u201d\u7684\u3002<\/li>\n\n\n\n<li>\u6570\u636e\u53e3\u5f84\u4e0d\u4e00\uff1a\u57cb\u70b9\u5ef6\u8fdf\u3001\u53bb\u91cd\u4e0d\u5f53\u3001\u8de8\u65f6\u533a\u5bfc\u81f4\u9519\u5224\u3002<\/li>\n\n\n\n<li>\u5b63\u8282\/\u6d3b\u52a8\u5e72\u6270\uff1a\u5927\u4fc3\u671f\u8dd1\u4e0e\u5e38\u6001\u671f\u4e0a\u7ebf\u4e0d\u4e00\u81f4\u3002<\/li>\n\n\n\n<li>\u6f0f\u6597\u9519\u89c9\uff1a\u4e0a\u6e38\u70b9\u51fb\u7387\u5347\u9ad8\u4f46\u4e0b\u6e38\u4e0b\u5355\u7387\u4e0b\u964d\uff0c\u88ab\u201c\u865a\u9ad8\u201d\u8ff7\u60d1\u3002<\/li>\n\n\n\n<li>Simpson \u6096\u8bba\uff1a\u6574\u4f53\u63d0\u5347\u4f46\u5206\u7ec4\u4e0b\u964d\uff08\u6216\u53cd\u4e4b\uff09\uff0c\u9700\u5206\u5c42\u9a8c\u8bc1\u3002<\/li>\n\n\n\n<li>\u4e0e\u63a8\u8350\/\u7ade\u4ef7\u7cfb\u7edf\u8026\u5408\uff1a\u88ab\u52a8\u6001\u51fa\u4ef7\u3001\u6d41\u91cf\u5206\u914d\u7b56\u7565\u63a9\u76d6\u771f\u5b9e\u6548\u5e94\u3002<\/li>\n<\/ol>\n\n\n\n<h5 class=\"wp-block-heading\">\u5341\u3001\u8fdb\u9636\u6280\u5de7<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u56fa\u5b9a\u7528\u6237\u5b9e\u9a8c\uff08Holdout\uff09<\/strong>\uff1a\u4fdd\u7559\u4e00\u5c0f\u64ae\u7528\u6237\u6c38\u8fdc\u4e0d\u53d7\u65b0\u7b56\u7565\u5f71\u54cd\uff0c\u7528\u4e8e\u957f\u671f\u589e\u76ca\u8bc4\u4f30\u3002<\/li>\n\n\n\n<li><strong>CUPED<\/strong>\uff1a\u534f\u53d8\u91cf\u8c03\u6574\uff08\u5982\u5386\u53f2\u8f6c\u5316\/GMV\uff09\u964d\u4f4e\u65b9\u5dee\u3001\u7f29\u77ed\u65f6\u957f\u3002<\/li>\n\n\n\n<li><strong>\u503e\u5411\u5f97\u5206\/\u56de\u5f52\u8c03\u6574<\/strong>\uff1a\u7f13\u89e3\u8f7b\u5fae\u4e0d\u5e73\u8861\uff0c\u63d0\u5347\u4f30\u8ba1\u7cbe\u5ea6\u3002<\/li>\n\n\n\n<li><strong>\u591a\u81c2\u8001\u864e\u673a\uff08Bandit\uff09<\/strong>\uff1a\u5728\u7ebf\u63a2\u7d22-\u5229\u7528\uff0c\u9010\u6b65\u628a\u6d41\u91cf\u503e\u5411\u66f4\u4f18\u7248\u672c\uff08\u9002\u5408\u6536\u76ca\u5b9e\u65f6\u6700\u5927\u5316\u573a\u666f\uff0c\u4f46\u56e0\u679c\u89e3\u91ca\u5f31\uff09\u3002<\/li>\n\n\n\n<li><strong>\u4e92\u65a5\u5b9e\u9a8c\u5c42\uff08Mutually Exclusive Layers\uff09<\/strong>\uff1a\u907f\u514d\u591a\u4e2a\u5b9e\u9a8c\u5728\u540c\u4e00\u7528\u6237\u4e0a\u4e92\u76f8\u5e72\u6270\u3002<\/li>\n\n\n\n<li><strong>\u529f\u6548\uff08Power\uff09\u56de\u987e<\/strong>\uff1a\u4e8b\u540e\u8ba1\u7b97\u89c2\u6d4b\u6548\u5e94\u4e0b\u5b9e\u9a8c\u7684\u68c0\u9a8c\u529b\uff0c\u8bc4\u4f30\u7ed3\u8bba\u7a33\u5065\u6027\u3002<\/li>\n\n\n\n<li><strong>\u51c6\u5b9e\u9a8c<\/strong>\uff1a\u65e0\u6cd5 A\/B \u65f6\u53ef\u7528\u65ad\u70b9\u56de\u5f52\u3001\u5dee\u5206\u4e2d\u7684\u5dee\u5206\uff08DiD\uff09\u7b49\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5341\u4e00\u3001\u4e00\u4e2a\u6781\u7b80\u7b97\u4f8b<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u57fa\u7ebf\u8f6c\u5316\u7387 p\u2080=10%\uff0c\u4f60\u5e0c\u671b\u68c0\u6d4b\u5230\u76f8\u5bf9 +5% \u7684\u63d0\u5347\uff08MDE=0.5pp\uff09\u3002<\/li>\n\n\n\n<li>\u53d6 \u03b1=0.05\u3001\u529f\u6548 80%\u3002\u5e26\u5165\u6837\u672c\u91cf\u516c\u5f0f\uff0c\u5f97\u5230\u6bcf\u7ec4\u9700\u8981\u7ea6 n\u2248<strong>150k<\/strong>\uff08\u6570\u91cf\u7ea7\u793a\u4f8b\uff0c\u5b9e\u9645\u8bf7\u7528\u4e13\u4e1a\u8ba1\u7b97\u5668\/\u4eff\u771f\uff09\u3002<\/li>\n\n\n\n<li>\u5b9e\u9a8c\u8dd1\u6ee1\u4e00\u5468\uff0cZ \u68c0\u9a8c\u5f97\u5230\u5dee\u503c 0.7pp\uff0c95% CI \u4e3a [0.2pp, 1.2pp]\uff0c\u4e0d\u542b 0\uff0c\u663e\u8457\u3002<\/li>\n\n\n\n<li>\u4e1a\u52a1\u6298\u7b97\uff1a\u6bcf\u767e\u4e07 UV \u591a 7,000 \u5355\uff0c\u7ed3\u5408\u5ba2\u5355\u4ef7\u548c\u6bdb\u5229\u4f30\u7b97\u5e74\u5316\u6536\u76ca\uff0c\u518d\u51b3\u5b9a\u5168\u91cf\u4e0a\u7ebf\u4e0e\u5426\u3002<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u5341\u4e8c\u3001\u843d\u5730\u6e05\u5355\uff08\u53ef\u76f4\u63a5\u7528\uff09<\/h5>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5b9a\u76ee\u6807\u4e0e\u4e3b\u6307\u6807\uff08\u5199\u6e05\u53e3\u5f84\u4e0e\u5355\u4f4d\uff09\u3002<\/li>\n\n\n\n<li>\u8bbe\u5206\u6876\u4e0e\u4e00\u81f4\u6027\u54c8\u5e0c\uff08\u7528\u6237\u7ea7\uff09\uff0c\u907f\u514d\u8de8\u7ec4\u66dd\u5149\u3002<\/li>\n\n\n\n<li>\u9009 \u03b1\u3001\u529f\u6548\u3001MDE \u2192 \u8ba1\u7b97\u6837\u672c\u91cf\u4e0e\u65f6\u957f\u3002<\/li>\n\n\n\n<li>\u5b9a\u6570\u636e\u6e05\u6d17\u3001\u9884\u70ed\u671f\u4e0e Guardrail\u3002<\/li>\n\n\n\n<li>\u5b9e\u9a8c\u671f\u95f4<strong>\u4e0d\u968f\u610f\u6539\u4ee3\u7801\/\u6539\u5206\u6d41<\/strong>\uff1b\u5982\u9700\u70ed\u4fee\u590d\uff0c\u8bb0\u5f55\u7248\u672c\u3002<\/li>\n\n\n\n<li>\u7528\u4e00\u6b21\u6027\u68c0\u9a8c\u6216\u6709\u6821\u6b63\u7684\u5e8f\u8d2f\u6846\u67b6\u5224\u5b9a\uff1b\u8f93\u51fa\u6548\u5e94\u3001\u7f6e\u4fe1\u533a\u95f4\u3001\u529f\u6548\u3002<\/li>\n\n\n\n<li>\u505a\u5206\u5c42\u4e00\u81f4\u6027\u4e0e\u957f\u671f\u89c2\u5bdf\uff08Holdout\/\u7559\u5b58\/\u5229\u6da6\uff09\u3002<\/li>\n\n\n\n<li>\u5f52\u6863\uff1a\u65b9\u6848\u3001\u6570\u636e\u3001\u811a\u672c\u3001\u7ed3\u8bba\u3001\u4e0a\u7ebf\u51b3\u7b56\u4e0e\u590d\u76d8\u3002<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e00\u3001\u7070\u5ea6\u6d4b\u8bd5\u662f\u4ec0\u4e48<\/h5>\n\n\n\n<p>\u7070\u5ea6\u6d4b\u8bd5\u662f\u5728<strong>\u5c0f\u6d41\u91cf\u3001\u5206\u9636\u6bb5<\/strong>\u5730\u628a\u65b0\u7248\u672c\u53d1\u5e03\u7ed9\u771f\u5b9e\u7528\u6237\uff0c\u5728\u6bcf\u4e2a\u9636\u6bb5\u89c2\u5bdf\u5173\u952e\u6307\u6807\u4e0e\u98ce\u9669\u4fe1\u53f7\uff0c<strong>\u8fbe\u6807\u5219\u6269\u5927\u6bd4\u4f8b\uff0c\u4e0d\u8fbe\u6807\u7acb\u5373\u56de\u6eda<\/strong>\u3002\u6838\u5fc3\u76ee\u6807\u662f\uff1a\u628a\u7ebf\u4e0a\u53d8\u66f4\u7684\u98ce\u9669\u201c\u5207\u5c0f\u3001\u5207\u6162\u3001\u53ef\u63a7\u201d\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e8c\u3001\u80fd\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u964d\u98ce\u9669\uff1a\u628a\u201c\u5168\u91cf\u5931\u8d25\u4e00\u6b21\u201d\u53d8\u6210\u201c\u5c11\u91cf\u5931\u8d25\u53ef\u56de\u6eda\u591a\u6b21\u201d<\/li>\n\n\n\n<li>\u5feb\u53cd\u9988\uff1a\u771f\u5b9e\u6d41\u91cf\u3001\u771f\u5b9e\u4f9d\u8d56\u94fe\uff08\u7f13\u5b58\u3001\u7f51\u5173\u3001\u4e0b\u6e38\u670d\u52a1\uff09<\/li>\n\n\n\n<li>\u53ef\u89c2\u5bdf\uff1a\u9636\u6bb5\u6027\u95e8\u69db\uff08SLO\/SLA\uff09\u628a\u6280\u672f\u4e0e\u4e1a\u52a1\u98ce\u9669\u91cf\u5316<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e09\u3001\u548c A\/B \u6d4b\u8bd5\u7684\u533a\u522b<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u76ee\u7684\u4e0d\u540c<\/strong>\uff1aA\/B 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class=\"wp-block-list\">\n<li>\u540e\u7aef\u670d\u52a1\/\u7f51\u5173\u5347\u7ea7\u3001\u914d\u7f6e\u5207\u6362<\/li>\n\n\n\n<li>\u524d\u7aef\u91cd\u5927\u91cd\u6784\uff08\u5148\u5bf9\u5c11\u91cf\u7528\u6237\/\u6e20\u9053\u653e\u91cf\uff09<\/li>\n\n\n\n<li>\u79fb\u52a8\u7aef\u4e0a\u67b6\u201c\u5206\u9636\u6bb5\u53d1\u5e03\u201d\uff08\u5148 1% \u5e02\u573a\uff09<\/li>\n\n\n\n<li>\u7b97\u6cd5\/\u63a8\u8350\u7b56\u7565\u66f4\u65b0\u4f46\u4f18\u5148\u4fdd\u8bc1\u7a33\u5b9a\u6027<\/li>\n\n\n\n<li>\u6570\u636e\u5e93\u53d8\u66f4\uff08expand\u2013migrate\u2013contract\uff09\u671f\u95f4\u7684\u517c\u5bb9\u89c2\u5bdf<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">\u4e94\u3001\u7070\u5ea6\u5206\u5c42\uff08\u51e0\u79cd\u5e38\u7528\u65b9\u5f0f\uff09<\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6309\u7528\u6237 ID 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