{"id":536,"date":"2019-03-04T11:52:22","date_gmt":"2019-03-04T03:52:22","guid":{"rendered":"http:\/\/localhost\/?p=536"},"modified":"2019-07-08T21:04:22","modified_gmt":"2019-07-08T13:04:22","slug":"%e8%81%8a%e4%b8%80%e8%81%8aab%e5%ae%9e%e9%aa%8c%e7%bb%93%e6%9e%9c%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"http:\/\/www.ahomer.cn\/?p=536","title":{"rendered":"\u804a\u4e00\u804aAB\u6d4b\u8bd5\u5b9e\u9a8c\u7ed3\u679c\u5206\u6790"},"content":{"rendered":"<p>\u4ece\u4e8b\u4e92\u8054\u7f51\u5de5\u4f5c\u7684\u540c\u5b66\uff0c\u5bf9\u201cAB\u6d4b\u8bd5\u201d\u6982\u5ff5\u4e00\u5b9a\u4e0d\u4f1a\u964c\u751f\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u964c\u751f\uff0c\u5efa\u8bae\u6362\u4e00\u5bb6\u4e92\u8054\u7f51\u516c\u53f8\u770b\u770b\u3002<br \/>\nAB\u6d4b\u8bd5\u6d41\u7a0b\u4e0a\u770b\uff0c\u53ef\u7b80\u5355\u5206\u4e3a\u4e09\u90e8\uff1a<\/p>\n<ul>\n<li>\u7528\u6237\u7b5b\u9009<\/li>\n<li>\u5b9e\u9a8c\u7b56\u7565<\/li>\n<li>\u7ed3\u679c\u5206\u6790<\/li>\n<\/ul>\n<p>\u524d\u4e24\u90e8\u6709\u6bd4\u8f83\u6807\u51c6\u7684\u5b9e\u73b0\u6d41\u7a0b\u3002<br \/>\n\u7528\u6237\u7b5b\u9009\uff1a\u6bd4\u5982\u8d26\u53f7\u968f\u673a\u3001\u4eba\u7fa4\u753b\u50cf\u5206\u5c42\u7b5b\u9009\u7684<br \/>\n\u5b9e\u9a8c\u7b56\u7565\uff1a\u4e00\u822c\u4f1a\u6d89\u53ca\u4e00\u4e2a\u5b9e\u9a8c\u7cfb\u7edf<\/p>\n<p>\u524d\u4e24\u6b65\u529f\u80fd\u53ef\u80fd\u5de5\u7a0b\u5b9e\u8df5\u591a\u4e00\u4e9b\uff0c\u6682\u4e0d\u8bb2\u8ff0\uff0c\u4eca\u5929\u8bb2\u8bb2\u2014\u2014\u7ed3\u679c\u5206\u6790\u3002<\/p>\n<p>\u5047\u8bbe\u4f60\u5bf9\u4e00\u4e2aapp\u9996\u9875\u505a\u4e86\u4e00\u4e2a\u7011\u5e03\u6d41\u4f18\u5316\uff0c\u4f60\u62ff\u5230\u5b9e\u9a8c\u7ec4\u3001\u63a7\u5236\u7ec4(\u53c2\u7167\u7ec4)\u7684CTR\u6570\u636e\uff0c\u201c\u5047\u8bbe\u68c0\u9a8c\u201d\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ul>\n<li>H0\uff1a\u5b9e\u9a8c\u7ec4CTR&lt;=\u53c2\u7167\u7ec4CTR<\/li>\n<li>H1\uff1a\u5047\u8bbe\u4e0d\u6210\u7acb\uff0c\u5b9e\u9a8c\u6709\u6548<\/li>\n<li>P\u503c\uff1a0.05<\/li>\n<\/ul>\n<p>\u6211\u4eec\u53ef\u4ee5\u5f97\u5230\u5b9e\u9a8c\u7ec4\u3001\u53c2\u7167\u7ec4\u7684\u5747\u503c\u65b9\u5dee\uff0c\u6211\u4eec\u5047\u5b9a\u4eba\u6570\u591f\u591a\u7684\u60c5\u51b5\u4e0b\uff0c\u662f\u7b26\u5408\u6b63\u6001\u5206\u5e03\u7684\uff0c\u6240\u4ee5\u4e0a\u8ff0\u63cf\u8ff0\uff0c\u53ef\u4ee5\u8f6c\u5316\u4e3a\uff1a<br \/>\n1\u3001\u968f\u673a\u62bd\u53d6\u8db3\u591f\u5927\u7684\u4e24\u7ec4\u7528\u6237\uff0c\u5206\u522b\u7edf\u8ba1CTR\uff0c\u6c42\u5dee\u503c\uff1a<br \/>\nctr_diff = \u5b9e\u9a8c\u7ec4CTR - \u53c2\u7167\u7ec4CTR<br \/>\nctr_diff \u663e\u7136\u662f\u7b26\u5408\u6b63\u6001\u5206\u5e03\u7684<\/p>\n<p>2\u3001\u6839\u636e ctr_diff\uff0c\u6211\u4eec\u53ef\u4ee5\u5047\u8bbe\u5168\u5c40\u6b63\u6001\u5206\u5e03\u7684\u5747\u503c0\uff0c\u65b9\u5dee=ctr_diff\u7684\u65b9\u5dee<br \/>\n3\u3001\u6240\u4ee5\u6839\u636e1\u30012\uff0c\u53ef\u4ee5\u8ba1\u7b97\u5f97\u5230p\u503c<\/p>\n<p>p\u503c\u5c0f\u4e8e0.05\uff0c\u4f60\u4f1a\u9009\u62e9\u4e0a\u7ebf\u65b0\u7684\u7011\u5e03\u6d41\u4f18\u5316\u7248\u672c\u3002\u6d41\u7a0b\u4e0a\u662fOK\u7684\uff0c\u4f46\u662f\u53ef\u80fd\u5b58\u5728\u95ee\u9898\u3002<\/p>\n<p>1\u3001CTR\u9ad8\u662f\u5426\u6838\u5fc3\u4e1a\u52a1\u8d21\u732e\u5c31\u9ad8\uff0c\u6bd4\u5982\u505c\u7559\u65f6\u957f\u5462\uff1f\u652f\u4ed8\u8f6c\u6362\u5462\uff1f<br \/>\n2\u3001\u5b9e\u9a8c\u7684\u65f6\u673a\uff0c\u662f\u5426\u4f1a\u51fa\u73b0\u4eba\u7fa4\u504f\u5dee\uff0c\u6bd4\u5982\u5bd2\u6691\u5047\uff0c\u81ea\u7136\u5b66\u751f\u4eba\u7fa4\u5360\u6bd4\u53ef\u80fd\u591a\u4e00\u70b9(\u5e74\u9f84\u5206\u5e03\u62bd\u6837\u53ef\u4ee5\u89e3\u51b3\u90e8\u5206\u95ee\u9898)<br \/>\n3\u3001\u8001\u7528\u6237\u7684\u5b88\u65e7\u503e\u659c\uff08\u4e0d\u63a5\u53d7\u65b0\u7684\u53d8\u5316\uff09\uff0c\u662f\u5426\u5bf9\u7ed3\u679c\u6709\u201c\u5426\u5b9a\u4f5c\u7528\u201d<\/p>\n<p>\u6240\u4ee5\uff0c\u4f60\u53ef\u80fd\u4e0d\u80fd\u53ea\u9009\u62e9CTR\uff0c\u9996\u9009\uff0c\u6211\u4eec\u8861\u91cf\u7684\u6307\u6807\u662f\u591a\u5143\u5316\u7684\uff0c\u53ef\u4ee5\u9009\u62e9\u5bf9\u4e1a\u52a1KPI\u76f8\u5173\u7684\u6838\u5fc3\u6307\u6807\u8fdb\u4e00\u6b65\u4f50\u8bc1\u3002<br \/>\n\u591a\u6307\u6807\u7684\u64cd\u4f5c\u6d41\u7a0b\u662f\uff1a<\/p>\n<ul>\n<li>\u6bcf\u7ec4\u5047\u8bbe\u68c0\u9a8c<\/li>\n<li>\u6bcf\u7ec4\u9a8c\u8bc1p\u503c<\/li>\n<\/ul>\n<p>\u591a\u7ec4\u68c0\u9a8c\u9a8c\u8bc1p\u503c=0.05 \u662f\u4e0d\u5408\u9002\u7684\uff0c\u5bb9\u6613\u4ea7\u751ftype I error\uff08\u963f\u5c14\u6cd5\u9519\u8bef\uff0c\u201c\u5192\u8fdb\u201d\u9519\u8bef\uff09<br \/>\n\u6240\u4ee5Bonferroni\u63d0\u51fa\u4e86\u4e00\u79cdBonferroni\u6821\u6b63\u65b9\u6cd5(<a href=\"https:\/\/en.wikipedia.org\/wiki\/Bonferroni_correction\">Bonferroni Method<\/a>)\uff0c\u5373\u4e00\u79cd\u964d\u4f4ep\u503c\u7684\u518d\u68c0\u9a8c\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li>p\u503c\/\u6307\u6807\u6570\u91cf<\/li>\n<\/ul>\n<p>Bonferroni\u6821\u6b63\u65b9\u6cd5\u662f\u4e00\u79cd\u8f83\u4e3a\u4e25\u683c\u7684\u65b9\u6cd5\uff0c\u5982\u679c\u80fd\u591f\u62d2\u7edd\u539f\u5047\u8bbe\uff0c\u90a3\u5c31\u653e\u5fc3\u4e0a\u7ebf\u5427\u3002\u4f46\u662f\uff0c\u5b81\u613f\u9519\u6740\u4e5f\u4e0d\u63a5\u53d7\u7684\uff0c\u53ef\u80fd\u72af\u4e86type II error \uff08\u8d1d\u5854\u9519\u8bef\uff0c&quot;\u4fdd\u5b88&quot;\u9519\u8bef\uff09<br \/>\nHolm \u63d0\u51fa\u4e86\u4e00\u79cd\u6539\u8fdb\u65b9\u6cd5\uff0c\u8f83\u4e3a\u878d\u5408\uff0c\u4e5f\u5373\u6539\u8fdbp\u503c\u7684\u5bf9\u6bd4\u65b9\u6cd5\uff0c\u53ef\u53c2\u8003\uff1a<a href=\"https:\/\/en.wikipedia.org\/wiki\/Holm%E2%80%93Bonferroni_method\">Holm\u2013Bonferroni_method<\/a><\/p>\n<ul>\n<li>\u6700\u5c0f\u7684p\u503c\u548cp\u503c\/\u6307\u6807\u6570\u91cf\uff0c\u7b2c\u4e8c\u5c0f\u7684p\u503c\u548cp\u503c\/(\u6307\u6807\u6570\u91cf-1)\u6bd4\u8f83\uff0c\u4ee5\u6b64\u7c7b\u63a8<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4ece\u4e8b\u4e92\u8054\u7f51\u5de5\u4f5c\u7684\u540c\u5b66\uff0c\u5bf9\u201cAB\u6d4b\u8bd5\u201d\u6982\u5ff5\u4e00\u5b9a\u4e0d\u4f1a\u964c\u751f\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u964c\u751f\uff0c\u5efa\u8bae\u6362\u4e00\u5bb6\u4e92\u8054\u7f51\u516c\u53f8\u770b\u770b\u3002 AB\u6d4b\u8bd5\u6d41\u7a0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[25,27],"class_list":["post-536","post","type-post","status-publish","format-standard","hentry","category-program","tag-ab","tag-27"],"_links":{"self":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/536","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=536"}],"version-history":[{"count":10,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/536\/revisions"}],"predecessor-version":[{"id":5380,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=\/wp\/v2\/posts\/536\/revisions\/5380"}],"wp:attachment":[{"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=536"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=536"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.ahomer.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=536"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}