{"id":320,"date":"2023-08-29T00:10:29","date_gmt":"2023-08-28T16:10:29","guid":{"rendered":"http:\/\/lingbo.online\/?p=320"},"modified":"2023-09-08T12:30:42","modified_gmt":"2023-09-08T04:30:42","slug":"ab_test_theory","status":"publish","type":"post","link":"https:\/\/lingbo.online\/index.php\/algorithm_learning\/ab_test_theory\/","title":{"rendered":"AB\u6d4b\u8bd5\u539f\u7406"},"content":{"rendered":"<h3>\u57fa\u672c\u6982\u5ff5<\/h3>\n<p>AB\u6d4b\u8bd5\u7684\u7406\u8bba\u57fa\u7840\u662f\u5047\u8bbe\u68c0\u9a8c\u3002\u5728\u4e24\u4e2a\u968f\u673a\u5747\u5300\u7684\u6837\u672c\u7ec4A\u3001B\u4e2d\uff0c\u5bf9\u5176\u4e2d\u4e00\u4e2a\u7ec4A\u505a\u51fa\u67d0\u79cd\u6539\u52a8\uff0c\u5b9e\u9a8c\u7ed3\u675f\u540e\u5206\u6790\u4e24\u7ec4\u7528\u6237\u884c\u4e3a\u6570\u636e\uff0c\u901a\u8fc7\u663e\u8457\u6027\u68c0\u9a8c\uff0c\u5224\u65ad\u8fd9\u4e2a\u6539\u52a8\u5bf9\u4e8e\u6211\u4eec\u6240\u5173\u6ce8\u7684\u6838\u5fc3\u6307\u6807\u662f\u5426\u6709\u663e\u8457\u7684\u5f71\u54cd\uff0c\u8fd9\u4e2a\u5de5\u8fc7\u7a0b\u5c31\u88ab\u79f0\u4e3aAB\u6d4b\u8bd5\u3002<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_1.jpg\" alt=\"\" \/><\/p>\n<p>\u5728\u4e0a\u56fe\u793a\u4f8b\u7684AB\u5b9e\u9a8c\u4e2d\uff0c\u5047\u8bbe\u68c0\u9a8c\u5982\u4e0b\uff1a<\/p>\n<blockquote>\n<p>\u539f\u5047\u8bbeH0\uff1a\u8fd9\u9879\u6539\u52a8\u4e0d\u4f1a\u5bf9\u6838\u5fc3\u6307\u6807\u6709\u663e\u8457\u7684\u5f71\u54cd<br \/>\n\u5907\u9009\u5047\u8bbeH1\uff1a\u8fd9\u9879\u6539\u52a8\u4f1a\u5bf9\u6838\u5fc3\u6307\u6807\u6709\u663e\u8457\u7684\u5f71\u54cd<\/p>\n<\/blockquote>\n<p>\u5b9e\u9a8c\u5b8c\u6210\u65f6\uff0c\u5982\u679c\u663e\u8457\u6027\u68c0\u9a8c\u7684P\u503c\u8db3\u591f\u5c0f\uff0c\u5219\u63a8\u7ffb\u539f\u5047\u8bbe\uff0c\u8bc1\u660e\u8be5\u6539\u52a8\u4f1a\u5bf9\u6838\u5fc3\u6307\u6807\u4ea7\u751f\u663e\u8457\u5f71\u54cd\uff1b\u5426\u5219\u62d2\u7edd\u539f\u5047\u8bbe\uff0c\u8bc1\u660e\u8be5\u6539\u52a8\u672a\u4ea7\u751f\u663e\u8457\u5f71\u54cd\u3002\u7528\u4e00\u53e5\u8bdd\u6982\u62ec\uff1aAB\u6d4b\u8bd5\u5176\u5b9e\u5c31\u662f\u968f\u673a\u5747\u5300\u6837\u672c\u7ec4\u7684\u5bf9\u7167\u5b9e\u9a8c\u3002<\/p>\n<h3>AB\u6d4b\u8bd5\u7684\u4e00\u822c\u6d41\u7a0b<\/h3>\n<ol>\n<li>\u5728\u5b9e\u9a8c\u5f00\u59cb\u524d\uff0c\u548c\u4ea7\u54c1\u6216\u9879\u76ee\u7ecf\u7406\u53bb\u8ba4\u5b9a\u5b9e\u9a8c\u9700\u8981\u9a8c\u8bc1\u7684\u6539\u52a8\u70b9\uff1b<\/li>\n<li>\u8bbe\u8ba1\u5b9e\u9a8c\u4e2d\u9700\u8981\u89c2\u6d4b\u7684\u6838\u5fc3\u6307\u6807\uff0c\u5982\u70b9\u51fb\u7387\u3001\u8f6c\u5316\u7387\u7b49\uff1b<\/li>\n<li>\u8ba1\u7b97\u5b9e\u9a8c\u6240\u9700\u7684\u6700\u5c0f\u6837\u672c\u6d41\u91cf\uff0c\u5b9e\u9a8c\u6837\u672c\u8d8a\u5927\uff0c\u7ed3\u679c\u8d8a\u53ef\u4fe1\uff0c\u4f46\u5bf9\u7528\u6237\u7684\u4e0d\u826f\u5f71\u54cd\u8d8a\u5927\uff0c\u6240\u4ee5\u9700\u8981\u8ba1\u7b97\u80fd\u591f\u663e\u8457\u8bc1\u660e\u7b56\u7565\u6709\u6548\u7684\u6700\u5c0f\u6837\u672c\u91cf\uff1b<\/li>\n<li>\u7ed3\u5408\u76ee\u524d\u7684DAU\uff0c\u8ba1\u7b97\u5b9e\u9a8c\u6301\u7eed\u65f6\u95f4\uff1b<\/li>\n<li>\u8bbe\u8ba1\u6d41\u91cf\u5206\u5272\u7b56\u7565\uff0c\u6839\u636e\u5b9e\u9a8c\u9700\u8981\u5bf9\u6837\u672c\u6d41\u91cf\u8fdb\u884c\u5206\u6d41\u5206\u5c42\uff0c\u4fdd\u8bc1\u6837\u672c\u7684\u968f\u673a\u548c\u5747\u5300\u5206\u5e03\uff0c\u907f\u514d\u8f9b\u666e\u68ee\u6096\u8bba\u3002<\/li>\n<li>\u786e\u8ba4\u5f00\u59cb\u5b9e\u9a8c\uff0c\u5728\u6b63\u5f0f\u5b9e\u9a8c\u524d\uff0c\u8fdb\u884c\u5c0f\u6d41\u91cf\u7070\u5ea6\u5b9e\u9a8c\uff0c\u9632\u6b62\u6539\u52a8\u9020\u6210\u6781\u7aef\u5f71\u54cd\uff1b<\/li>\n<li>\u53d1\u5e03\u6b63\u5f0f\u5b9e\u9a8c\uff0c\u7b49\u5230\u5b9e\u9a8c\u5468\u671f\u7ed3\u675f\u540e\uff0c\u5bf9\u5b9e\u9a8c\u7ed3\u679c\u8fdb\u884c\u663e\u8457\u6027\u68c0\u9a8c\u3002<\/li>\n<\/ol>\n<p><img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_2.jpg\" alt=\"\" \/><\/p>\n<p>AB Test\u7684\u6d41\u7a0b\u540c\u6837\u53ef\u4ee5\u603b\u7ed3\u5982\u4e0b\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_3.png\" alt=\"\" \/><\/p>\n<h3>\u660e\u786e\u6539\u52a8\u70b9\u548c\u89c2\u6d4b\u6307\u6807<\/h3>\n<h4>\u660e\u786e\u6539\u52a8\u70b9<\/h4>\n<p>\u5728\u5b9e\u9a8c\u5f00\u59cb\u524d\uff0c\u9996\u5148\u8981\u786e\u5b9aAB\u5b9e\u9a8c\u7684\u53d8\u91cf\uff0cAB\u6d4b\u8bd5\u5e94\u5f53\u9075\u5b88\u201c\u5355\u4e00\u56e0\u7d20\u539f\u5219\u201d\uff0c\u4e00\u4e2a\u5b9e\u9a8c\u53ea\u80fd\u6709\u4e00\u4e2a\u6838\u5fc3\u6307\u6807\uff0c\u4f46\u53ef\u4ee5\u6709\u591a\u4e2a\u89c2\u6d4b\u6307\u6807\u3002<\/p>\n<p>\u6838\u5fc3\u6307\u6807\u662f\u7528\u4e8e\u5224\u65ad\u8be5\u5b9e\u9a8c\u662f\u5426\u663e\u8457\uff0c\u89c2\u6d4b\u6307\u6807\u7528\u4e8e\u5224\u65ad\u8be5\u5b9e\u9a8c\u5bf9\u5176\u4f59\u6307\u6807\u7684\u5f71\u54cd\u3002\u53e6\u5916\uff0c\u53ef\u4ee5\u8bbe\u53cd\u5411\u6307\u6807\uff0c\u4ee5\u89c2\u6d4b\u8be5\u5b9e\u9a8c\u662f\u5426\u4f1a\u5e26\u6765\u4e00\u4e9b\u8d1f\u9762\u5f71\u54cd\u3002<\/p>\n<h4>\u660e\u786e\u89c2\u6d4b\u6307\u6807<\/h4>\n<p>\u89c2\u6d4b\u6307\u6807\u53ef\u4ee5\u5206\u4e3a\u4e24\u79cd\u7c7b\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u7edd\u5bf9\u503c\u7c7b\u6307\u6807\uff1a<\/strong>\u76f4\u63a5\u8ba1\u7b97\u80fd\u591f\u5f97\u5230\u7684\u5355\u4e2a\u6307\u6807\uff0c\u4e00\u822c\u7edf\u8ba1\u8be5\u6307\u6807\u5728\u4e00\u6bb5\u65f6\u95f4\u5185\u7684\u5747\u503c\u6216\u8005\u6c47\u603b\u503c\uff0c\u5e38\u89c1\u7684\u7edd\u5bf9\u503c\u7c7b\u6307\u6807\u5305\u62ec\uff1a<code>DAU<\/code>\uff0c<code>\u5e73\u5747\u505c\u7559\u65f6\u957f\u7b49<\/code>\uff0c\u8fd9\u7c7b\u6307\u6807\u4e00\u822c\u8f83\u5c11\u4f5c\u4e3aAB\u6d4b\u8bd5\u7684\u89c2\u6d4b\u6307\u6807\u3002<\/li>\n<li><strong>\u6bd4\u7387\u7c7b\u6307\u6807\uff1a<\/strong>\u901a\u8fc7\u591a\u4e2a\u7edd\u5bf9\u503c\u6307\u6807\u8ba1\u7b97\u83b7\u5f97\uff0c\u5982\uff1a<code>\u70b9\u51fb\u7387<\/code>,<code>\u8f6c\u5316\u7387<\/code>,<code>\u590d\u8d2d\u7387<\/code>\u7b49\u7b49\u3002<\/li>\n<\/ul>\n<h4>\u5efa\u7acb\u5047\u8bbe\u5b9e\u9a8c<\/h4>\n<p>\u9488\u5bf9\u5b9e\u9a8c\u8981\u63d0\u5347\u7684\u6838\u5fc3\u6307\u6807\uff0c\u6211\u4eec\u53ef\u4ee5\u505a\u51fa\u4e0d\u540c\u7684\u5047\u8bbe\uff0c\u5982\u4f55\u4fee\u6539\u53ef\u80fd\u4f1a\u63d0\u5347\u6307\u6807\u3002<\/p>\n<p>\u7136\u540e\u5c31\u662f\u5efa\u7acb\u96f6\u5047\u8bbe\u548c\u5907\u62e9\u5047\u8bbe\uff1a<\/p>\n<blockquote>\n<p>\u4e00\u822c\u96f6\u5047\u8bbe\u662f\u6ca1\u6709\u6548\u679c<br \/>\n\u5907\u62e9\u5047\u8bbe\u662f\u6709\u6548\u679c\u3002<\/p>\n<\/blockquote>\n<h4>\u9009\u53d6\u5b9e\u9a8c\u5355\u4f4d<\/h4>\n<p>\u4e00\u822c\u6765\u8bf4\uff0c\u53ef\u4ee5\u4ece\u4e09\u4e2a\u7c92\u5ea6\u9009\u53d6\u5b9e\u9a8c\u5355\u4f4d\uff0c\u5373\uff1a<code>\u7528\u6237\u7c92\u5ea6<\/code>,<code>\u8bbe\u5907\u7c92\u5ea6<\/code>,<code>\u884c\u4e3a\u7c92\u5ea6<\/code>\u3002<\/p>\n<ul>\n<li><strong>\u7528\u6237\u7c92\u5ea6\uff1a<\/strong>\u6700\u63a8\u8350\u7684\u7c92\u5ea6\uff0c\u4ee5\u4e00\u4e2a\u7528\u6237\u7684\u552f\u4e00\u6807\u8bc6\u6765\u4f5c\u4e3a\u5b9e\u9a8c\u6837\u672c\u3002\u7b26\u5408AB\u6d4b\u8bd5\u7684\u5206\u6876\u5355\u4f4d\u552f\u4e00\u6027\uff0c\u4e0d\u4f1a\u9020\u6210\u4e00\u4e2a\u5b9e\u9a8c\u5355\u4f4d\u5904\u4e8e\u4e24\u4e2a\u5206\u6876\uff0c\u9020\u6210\u7684\u6570\u636e\u4e0d\u7f6e\u4fe1\u3002<\/li>\n<li><strong>\u8bbe\u5907\u7c92\u5ea6\uff1a<\/strong>\u4ee5\u4e00\u4e2a\u8bbe\u5907\u6807\u8bc6\u4e3a\u5b9e\u9a8c\u5355\u4f4d\u3002\u76f8\u6bd4\u7528\u6237\u7c92\u5ea6\uff0c\u5982\u679c\u4e00\u4e2a\u7528\u6237\u6709\u4e24\u4e2a\u624b\u673a\uff0c\u53ef\u80fd\u51fa\u73b0\u4e00\u4e2a\u7528\u6237\u5728\u4e24\u4e2a\u5206\u6876\u4e2d\u7684\u60c5\u51b5\uff0c\u6240\u4ee5\u4f1a\u9020\u6210\u6570\u636e\u4e0d\u7f6e\u4fe1\u7684\u60c5\u51b5\u3002<\/li>\n<li><strong>\u884c\u4e3a\u7c92\u5ea6\uff1a<\/strong>\u4ee5\u4e00\u6b21\u884c\u4e3a\u4e3a\u5b9e\u9a8c\u5355\u4f4d\uff0c\u4e5f\u5c31\u662f\u7528\u6237\u67d0\u4e00\u6b21\u4f7f\u7528\u8be5\u529f\u80fd\uff0c\u662f\u5b9e\u9a8c\u6876\uff0c\u4e0b\u4e00\u6b21\u4f7f\u7528\u53ef\u80fd\u5c31\u88ab\u5207\u6362\u4e3a\u57fa\u7ebf\u6876\u3002\u4f1a\u9020\u6210\u5927\u91cf\u7684\u7528\u6237\u5904\u4e8e\u4e0d\u540c\u7684\u5206\u6876\u3002\u5f3a\u70c8\u4e0d\u63a8\u8350\u8fd9\u79cd\u65b9\u5f0f\u3002<\/li>\n<\/ul>\n<h4>\u786e\u5b9a\u6700\u5c0f\u63d0\u5347\u9884\u671f\u503c<\/h4>\n<p>\u505a\u5b9e\u9a8c\u9700\u8981\u8003\u8651ROI\u3002\u5982\u679c\u5f00\u53d1\u6210\u672c\u5f88\u9ad8\uff0c\u4f46\u662f\u6700\u7ec8\u7684\u63d0\u5347\u53ea\u67090.01%\uff0c\u53ef\u80fd\u8fd9\u4e2a\u5b9e\u9a8c\u7684\u6536\u76ca\u63d0\u5347\u5e76\u4e0d\u80fd\u62b5\u6321\u4ed8\u51fa\u7684\u6210\u672c\u3002\u6240\u4ee5\u5728\u5b9e\u9a8c\u4e4b\u521d\u9700\u8981\u8003\u8651\u6210\u672c\u95ee\u9898\uff0c\u5373\u8fd9\u4e2a\u5b9e\u9a8c\u63d0\u5347\u4e86\u591a\u5c11\u7b97\u4f5c\u662f\u7b26\u5408\u6211\u4eec\u7684\u9884\u671f\u3002<\/p>\n<h4>\u8ba1\u7b97\u8bd5\u9a8c\u6240\u9700\u6700\u5c0f\u6837\u672c\u91cf<\/h4>\n<p>\u8be5\u6b65\u9aa4\u662f\u8981\u907f\u514d\u6d41\u91cf\u6d6a\u8d39\uff0c\u9ad8\u6548\u5229\u7528\u6d41\u91cf\uff0c\u628a\u53ef\u7528\u6d41\u91cf\u5206\u5230\u5176\u4ed6\u8bd5\u9a8c\u3002\u53e6\u5916\u8fd8\u8981\u907f\u514d\u5728\u7edf\u8ba1\u529f\u6548\u4e0d\u8db3\u7684\u60c5\u51b5\u4e0b\u7ed9\u51fa\u9519\u8bef\u7ed3\u8bba\u3002\u5373\u907f\u514d\u5b9e\u9a8c\u8fc7\u7a0b\u79cd\uff0c\u6d41\u91cf\u4f7f\u7528\u8fc7\u591a\u6216\u8005\u8fc7\u5c11\u7684\u60c5\u51b5\u3002<\/p>\n<p>A\/B \u6d4b\u8bd5\u6837\u672c\u91cf\u7684\u9009\u53d6\u57fa\u4e8e\u5927\u6570\u5b9a\u5f8b\u548c\u4e2d\u5fc3\u6781\u9650\u5b9a\u7406\u3002\u5728\u8ba1\u7b97\u6837\u672c\u91cf\u4e4b\u524d\uff0c\u5bf9\u5927\u6570\u5b9a\u5f8b\u548c\u4e2d\u5fc3\u6781\u9650\u5b9a\u7406\u8fdb\u884c\u6982\u8ff0\uff1a<\/p>\n<ul>\n<li>\u5927\u6570\u5b9a\u5f8b\uff1a\u5f53\u8bd5\u9a8c\u6761\u4ef6\u4e0d\u53d8\u65f6\uff0c\u968f\u673a\u8bd5\u9a8c\u91cd\u590d\u591a\u6b21\u4ee5\u540e\uff0c\u968f\u673a\u65f6\u95f4\u7684\u9891\u7387\u8fd1\u4f3c\u7b49\u4e8e\u968f\u673a\u4e8b\u4ef6\u7684\u6982\u7387\uff1b<\/li>\n<li>\u4e2d\u5fc3\u6781\u9650\u5b9a\u7406\uff1a\u5bf9\u72ec\u7acb\u540c\u5206\u5e03\u4e14\u6709\u76f8\u540c\u671f\u671b\u548c\u65b9\u5dee\u7684n\u4e2a\u968f\u673a\u53d8\u91cf\uff0c\u5f53\u6837\u672c\u91cf\u5f88\u5927\u65f6\uff0c\u6837\u672c\u7684\u5747\u503c\u8fd1\u4f3c\u670d\u4ece\u6807\u51c6\u6b63\u6001\u5206\u5e03N(0,1)<\/li>\n<\/ul>\n<p>\u8ba1\u7b97\u6700\u5c0f\u6837\u672c\u91cf\u7684\u516c\u5f0f\u5982\u4e0b\uff1a<br \/>\n$$N=\\frac{2*(Z_{1-\\alpha}+Z_{1-\\beta})^2*\\sigma^2}{\\delta^2}$$<\/p>\n<p>\u5176\u4e2d<span class=\"katex-eq\" data-katex-display=\"false\">\\alpha<\/span>\u548c<span class=\"katex-eq\" data-katex-display=\"false\">\\beta<\/span>\u5206\u522b\u662f\u4e00\u7c7b\u9519\u8bef\uff08\u62d2\u771f\uff09\u548c\u4e8c\u7c7b\u9519\u8bef\uff08\u53d6\u4f2a\uff09\u7684\u6982\u7387\uff0c\u901a\u5e38\u53d6\u503c\u4e3a0.05\u548c0.2\u3002<\/p>\n<p>\u4e0a\u8ff0\u516c\u5f0f\u8fd8\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1a<br \/>\n$$N\\approx\\frac{16*\\sigma^2}{\\delta^2}$$<\/p>\n<p>\u5176\u4e2d<span class=\"katex-eq\" data-katex-display=\"false\">\\delta<\/span>\u4e3a\u4e24\u7ec4\u6570\u636e\u5747\u503c\u4e4b\u5dee\uff0c\u5373\u5e0c\u671b\u68c0\u6d4b\u5230\u7684\u6700\u5c0f\u53d8\u5316<br \/>\n<span class=\"katex-eq\" data-katex-display=\"false\">\\sigma<\/span>\u4e3a\u5404\u7ec4\u6837\u672c\u6807\u51c6\u5dee\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528<code>Evans awesome AB Tools<\/code>\u8fdb\u884c\u5728\u7ebf\u8ba1\u7b97\uff1a<a href=\"https:\/\/www.evanmiller.org\/ab-testing\/sample-size.html\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/www.evanmiller.org\/ab-testing\/sample-size.html<\/a><\/p>\n<p>eg\uff1a\u5047\u8bbe\u5f53\u524d\u8f6c\u5316\u7387\u4e3a50\uff0c\u5e0c\u671b\u6700\u5c0f\u9884\u671f\u63d0\u534710%\uff0c\u5373\u4ece50%\u63d0\u5347\u523055%\uff0c\u9884\u4f30\u9700\u89811600\u5de6\u53f3\u7684\u6837\u672c\u91cf<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_4.jpg\" alt=\"\" \/><\/p>\n<h4>\u786e\u5b9a\u5b9e\u9a8c\u65f6\u957f<\/h4>\n<p>\u8bd5\u9a8c\u65f6\u957f\u7684\u5f71\u54cd\u56e0\u7d20\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>\u6700\u5c0f\u6837\u672c\u91cf<\/li>\n<li>\u53ef\u63a5\u53d7\u7684\u5b9e\u9a8c\u6876\u7684\u6bd4\u4f8b\u5927\u5c0f<\/li>\n<li>\u5468\u6d3b<\/li>\n<\/ul>\n<p>\u5b9e\u9a8c\u65f6\u957f=\u6700\u5c0f\u6837\u672c\u91cf\/\u5468\u6d3b*\u5b9e\u9a8c\u6876\u6bd4\u4f8b<\/p>\n<p>\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u8003\u8651\u4e00\u4e9b\u4e1a\u52a1\u60c5\u51b5\uff0c\u5982\u7528\u6237\u53ef\u80fd\u5728\u5de5\u4f5c\u65e5\u548c\u5468\u672b\u7279\u5f81\/\u884c\u4e3a\u4e0d\u4e00\u6837\uff0c\u6240\u4ee5\u6700\u5c11\u8dd1\u591f7\u5929\uff1b\u7528\u6237\u4e00\u5f00\u59cb\u53ef\u80fd\u89c9\u5f97\u65b0\u5947\u6240\u4ee5\u8f6c\u5316\u7387\u9ad8\uff0c\u540e\u7eed\u8f6c\u5316\u7387\u624d\u4f1a\u8d8b\u4e8e\u771f\u5b9e\u3002<\/p>\n<h4>\u6570\u636e\u7edf\u8ba1<\/h4>\n<p>\u901a\u5e38\u6765\u8bf4\uff0c\u7edd\u5bf9\u503c\u6307\u6807\u63a8\u8350\u4f7f\u7528T\u68c0\u9a8c\uff0c\u76f8\u5bf9\u6307\u6807\u63a8\u8350\u4f7f\u7528Z\u68c0\u9a8c<\/p>\n<ul>\n<li>\u5728\u5df2\u77e5\u603b\u4f53\u6807\u51c6\u5dee\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528Z\u68c0\u9a8c\uff1b\u5728\u672a\u77e5\u603b\u4f53\u6807\u51c6\u5dee\u7684\u60c5\u51b5\u4e0b\uff0c\u4f7f\u7528t\u68c0\u9a8c\u3002<\/li>\n<li>t\u68c0\u9a8c\u57fa\u4e8et\u5206\u5e03\uff0c\u800cZ\u68c0\u9a8c\u57fa\u4e8e\u6b63\u6001\u5206\u5e03\uff0c\u968f\u7740\u6837\u672c\u91cf\u7684\u589e\u52a0\uff0ct\u5206\u5e03\u9010\u6e10\u63a5\u8fd1\u6b63\u6001\u5206\u5e03<\/li>\n<li>\u5728\u6837\u672c\u91cf\u8f83\u5c0f\uff08\u901a\u5e38\u5c0f\u4e8e30\uff09\u4e14\u603b\u4f53\u5206\u5e03\u8fd1\u4f3c\u6b63\u6001\u65f6\uff0ct\u68c0\u9a8c\u6bd4Z\u68c0\u9a8c\u66f4\u4e3a\u9002\u7528\u3002<\/li>\n<li>\u5728\u6837\u672c\u91cf\u8f83\u5927\u65f6\uff0ct\u68c0\u9a8c\u548cZ\u68c0\u9a8c\u7684\u7ed3\u679c\u901a\u5e38\u662f\u975e\u5e38\u63a5\u8fd1\u7684\u3002<\/li>\n<\/ul>\n<p>\u9700\u8981\u7edf\u8ba1\u7684\u7ed3\u679c\u5305\u62ec\uff1adiff\u3001p\u503c\u3001\u7f6e\u4fe1\u533a\u95f4<\/p>\n<h5>P\u503c<\/h5>\n<p>P\u503c\u4ee3\u8868\u5f53\u96f6\u5047\u8bbe\u6210\u7acb\u65f6\uff0c\u89c2\u6d4b\u5230\u6837\u672c\u6570\u636e\u51fa\u73b0\u7684\u6982\u7387\u3002\u7edf\u8ba1\u5b66\u4e0a\uff0c<strong>\u5c065%\u4f5c\u4e3a\u4e00\u4e2a\u5c0f\u6982\u7387\u4e8b\u4ef6\uff0c\u6240\u4ee5\u4e00\u822c\u75285%\u6765\u5bf9\u6bd4\u8ba1\u7b97\u51fa\u6765\u7684P\u503c\u3002\u5f53P\u503c\u5c0f\u4e8e5%\u65f6\uff0c\u62d2\u7edd\u96f6\u5047\u8bbe\uff0c\u5373\u4e24\u7ec4\u6307\u6807\u4e0d\u540c\uff1b\u53cd\u8fc7\u6765\uff0c\u5f53P\u503c\u5927\u4e8e5%\u65f6\uff0c\u63a5\u53d7\u96f6\u5047\u8bbe\uff0c\u4e24\u7ec4\u6307\u6807\u76f8\u540c\u3002<\/strong><\/p>\n<h5>\u7f6e\u4fe1\u533a\u95f4<\/h5>\n<p>\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u90fd\u4f1a\u7528<strong>95%\u6765\u4f5c\u4e3a\u7f6e\u4fe1\u6c34\u5e73\u3002<\/strong>\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u524d\u6570\u636e\u7684\u4f30\u8ba1\uff0c\u670995%\u7684\u533a\u95f4\u5305\u542b\u4e86\u603b\u4f53\u53c2\u6570\u7684\u771f\u503c\u3002\u8fd9\u4e48\u8bf4\u53ef\u80fd\u6bd4\u8f83\u7ed5\uff0c\u6211\u4eec\u53ef\u4ee5\u7b80\u5355\u7406\u89e3\u6210 \u603b\u4f53\u6570\u636e\u670995%\u7684\u53ef\u80fd\u6027\u5728\u8fd9\u4e2a\u8303\u56f4\u5185\u3002<\/p>\n<p>\u6211\u4eec\u8ba1\u7b97\u4e24\u7ec4\u6307\u6807\u7684\u5dee\u5f02\u503c\uff0c\u5982\u679c\u6211\u4eec\u7b97\u51fa\u7684\u5dee\u5f02\u503c\u7f6e\u4fe1\u533a\u95f4\u4e0d\u542b0\uff0c\u6211\u4eec\u5c31\u62d2\u7edd\u96f6\u5047\u8bbe\uff0c\u8ba4\u4e3a\u4e24\u7ec4\u6307\u6807\u4e0d\u540c\uff1b\u4f46\u662f\u5982\u679c\u5305\u542b0\uff0c\u6211\u4eec\u5219\u8981\u63a5\u53d7\u96f6\u5047\u8bbe\uff0c\u8ba4\u4e3a\u4e24\u7ec4\u6307\u6807\u76f8\u540c\u3002<br \/>\n\u7f6e\u4fe1\u533a\u95f4\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_5.png\" alt=\"\" \/><\/p>\n<h4>\u5f97\u51fa\u7ed3\u8bba<\/h4>\n<h5>\u5b9e\u9a8c\u7ed3\u679c\u663e\u8457\u662f\u5426\u8981\u63a8\u5168\uff1f<\/h5>\n<ul>\n<li>\n<p>\u662f\u5426\u8fbe\u5230\u6700\u2f29\u6837\u672c\u91cf\uff0c\u4ee5\u53ca\u5b9e\u9a8c\u8fd0\u2f8f\u5230\u8ba1\u7b97\u7684\u5b9e\u9a8c\u5468\u671f\u4e4b\u540e\u518d\u53bb\u6821\u9a8c\u663e\u8457\u6027\u3002\uff08\u4f8b\u5982\u8dd1\u4e86\u4e00\u5929\uff0c\u7ed3\u679c\u4e3a\u663e\u8457\u63d0\u5347\uff0c\u4f46\u662f\u5176\u5b9e\u5b9e\u9a8c\u7684\u6837\u672c\u91cf\u6ca1\u6709\u8fbe\u5230\u6700\u5c0f\u6837\u672c\u91cf\uff0c\u90a3\u5c31\u8fd8\u8981\u63a5\u7740\u8dd1\u4e00\u8dd1\uff09<\/p>\n<\/li>\n<li>\n<p>\u9664\u4e86\u6838\u2f3c\u6307\u6807\uff0c\u8fd8\u9700\u8981\u8003\u8651\u5e73\u53f0\u7684\u7ea2\u7ebf\u6307\u6807\uff08\u4f8b\u5982\u6838\u5fc3\u6307\u6807\u663e\u8457\u63d0\u5347\uff0c\u4f46\u662f\u5bf9\u5176\u4ed6\u6307\u6807\u6709\u8d1f\u9762\u4f5c\u7528\uff0c\u90a3\u8981\u8003\u8651\u5168\u5c40\u518d\u51b3\u5b9a\uff09<\/p>\n<\/li>\n<\/ul>\n<h5>\u5b9e\u9a8c\u7ed3\u679c\u4e0d\u663e\u8457\u600e\u4e48\u529e\uff1f<\/h5>\n<p>\u770bMDE\u6700\u2f29\u68c0\u6d4b\u6548\u5e94\uff08\u5b9e\u9a8c\u80fd\u591f\u7edf\u8ba1\u7684\u6700\u2f29\u5dee\u5f02\u7c92\u5ea6\uff09<\/p>\n<p>\u9700\u8981\u770b\u5f53\u524d\u7684mde\u662f\u5426\u2f9c\u591f\u2f29\uff1a<\/p>\n<p>\u5982\u679c\u2f24\u4e8e\u6211\u4eec\u7684\u6700\u2f29\u63d0\u5347\u9884\u671f\u503c\uff0c\u5219\u8bf4\u660eab\u8bd5\u9a8c\u7684\u7075\u654f\u5ea6\u4e0d\u591f\uff0c\u53ef\u4ee5\u5ef6\u2ed3\u8bd5\u9a8c\u65f6\u95f4\uff0c\u8ba9\u66f4\u591a\u7684\u6837\u672c\u91cf\u8fdb\u6765<\/p>\n<p>\u5982\u679c\u2f29\u4e8e\u6211\u4eec\u7684\u6700\u2f29\u63d0\u5347\u9884\u671f\u503c\uff0c\u90a3\u4e48\u8bf4\u660e\u5b9e\u9a8c\u7ec4\u5c31\u662f\u4e0d\u663e\u8457\uff0c\u2f74\u523b\u505c\u2f4c\u8bd5\u9a8c mde\u8ba1\u7b97\u516c\u5f0f<br \/>\n<img decoding=\"async\" src=\"https:\/\/lingbo.online\/wp-content\/uploads\/2023\/08\/ab_6.png\" alt=\"\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u57fa\u672c\u6982\u5ff5 AB\u6d4b\u8bd5\u7684\u7406\u8bba\u57fa\u7840\u662f\u5047\u8bbe\u68c0\u9a8c\u3002\u5728\u4e24\u4e2a\u968f\u673a\u5747\u5300\u7684\u6837\u672c\u7ec4A\u3001B\u4e2d\uff0c\u5bf9\u5176\u4e2d\u4e00\u4e2a\u7ec4A\u505a\u51fa\u67d0\u79cd\u6539\u52a8\uff0c\u5b9e\u9a8c\u7ed3\u675f\u540e\u5206\u6790\u4e24\u7ec4\u7528\u6237\u884c\u4e3a\u6570\u636e &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"emotion":"","emotion_color":"","title_style":"","license":"","footnotes":""},"categories":[22,2],"tags":[39,40],"class_list":["post-320","post","type-post","status-publish","format-standard","hentry","category-data_mining","category-algorithm_learning","tag-ab-test","tag-40"],"_links":{"self":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/comments?post=320"}],"version-history":[{"count":6,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/320\/revisions"}],"predecessor-version":[{"id":423,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/posts\/320\/revisions\/423"}],"wp:attachment":[{"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/media?parent=320"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/categories?post=320"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lingbo.online\/index.php\/wp-json\/wp\/v2\/tags?post=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}