\u53ec\u56de\u7387\u662f\u6307\u5728\u6240\u6709\u6b63\u6837\u672c\u4e2d\uff0c\u88ab\u6210\u529f\u9884\u6d4b\u4e3a\u6b63\u6837\u672c\u7684\u6837\u672c\u6570\u5360\u6bd4\u3002\u5728\u673a\u5668\u5b66\u4e60\u9886\u57df\uff0c\u53ec\u56de\u7387\u662f\u8bc4\u4f30\u6a21\u578b\u9884\u6d4b\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u4e4b\u4e00\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u4ece\u591a\u4e2a\u65b9\u9762\u6df1\u5165\u63a2\u8ba8\u53ec\u56de\u7387\u7684\u6982\u5ff5\u548c\u5e94\u7528\u3002
\u9608\u503c\u8d8a\u9ad8\uff0c\u7cbe\u51c6\u7387\u8d8a\u9ad8\uff0c\u53ec\u56de\u7387\u8d8a\u4f4e\uff1b\u9608\u503c\u8d8a\u4f4e\uff0c\u7cbe\u51c6\u7387\u8d8a\u4f4e\uff0c\u53ec\u56de\u7387\u8d8a\u9ad8\u3002
\u7cbe\u51c6\u7387\uff08precision\uff09\u7684\u5b9e\u9645\u542b\u4e49\u662f\uff0c\u5728\u6240\u6709\u9884\u6d4b\u4e3a\u6b63\u4f8b\u7684\u6837\u672c\u4e2d\uff0c\u771f\u5b9e\u4e3a\u6b63\u4f8b\u7684\u6bd4\u4f8b\u3002<\/p>\n\n\n\n
\u53ec\u56de\u7387\uff08recall\uff09\u7684\u5b9e\u9645\u542b\u4e49\u662f\uff0c\u5728\u6240\u6709\u771f\u5b9e\u4e3a\u6b63\u4f8b\u7684\u6837\u672c\u4e2d\uff0c\u88ab\u6b63\u786e\u9884\u6d4b\u4e3a\u6b63\u4f8b\u7684\u6bd4\u4f8b\u3002<\/p>\n\n\n\n
\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u6709\u4e00\u4e2a\u5783\u573e\u90ae\u4ef6\u5206\u7c7b\u5668\uff0c\u5b83\u8981\u4ece100\u5c01\u90ae\u4ef6\u4e2d\u8bc6\u522b\u51fa\u5783\u573e\u90ae\u4ef6\u3002\u5047\u8bbe\u5176\u4e2d\u670920\u5c01\u662f\u771f\u6b63\u7684\u5783\u573e\u90ae\u4ef6\uff0c80\u5c01\u662f\u6b63\u5e38\u90ae\u4ef6\u3002\u5982\u679c\u5206\u7c7b\u5668\u9884\u6d4b\u51fa\u4e8615\u5c01\u5783\u573e\u90ae\u4ef6\uff0c\u5176\u4e2d10\u5c01\u662f\u771f\u7684\u5783\u573e\u90ae\u4ef6\uff0c5\u5c01\u662f\u8bef\u5224\u7684\u6b63\u5e38\u90ae\u4ef6\uff0c\u90a3\u4e48\u5b83\u7684\u53ec\u56de\u7387\u548c\u7cbe\u51c6\u7387\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n
\u7cbe\u51c6\u7387 = 10 \/ 15 = 0.67\uff0c\u8868\u793a\u5206\u7c7b\u5668\u9884\u6d4b\u51fa\u7684\u5783\u573e\u90ae\u4ef6\u4e2d\u6709\u4e09\u5206\u4e4b\u4e8c\u662f\u771f\u7684\u5783\u573e\u90ae\u4ef6\u3002<\/p>\n\n\n\n
\u53ec\u56de\u7387 = 10 \/ 20 = 0.5\uff0c\u8868\u793a\u5206\u7c7b\u5668\u53ea\u80fd\u627e\u5230\u4e00\u534a\u7684\u771f\u6b63\u5783\u573e\u90ae\u4ef6\u3002<\/p>\n\n\n\n
\u4e00\u3001\u4ec0\u4e48\u662f\u53ec\u56de\u7387
\u53ec\u56de\u7387\u662f\u6307\u6a21\u578b\u6210\u529f\u68c0\u6d4b\u5230\u7684\u6240\u6709\u771f\u5b9e\u6b63\u6837\u672c\u4e2a\u6570\u4e0e\u771f\u5b9e\u6b63\u6837\u672c\u603b\u6570\u7684\u6bd4\u4f8b\u3002\u76f4\u89c2\u6765\u8bb2\uff0c\u5b83\u8861\u91cf\u4e86\u6a21\u578b\u5728\u8bc6\u522b\u6b63\u6837\u672c\u65b9\u9762\u7684\u51c6\u786e\u6027\u3002\u53ec\u56de\u7387\u6570\u503c\u8d8a\u9ad8\uff0c\u6a21\u578b\u5bf9\u6b63\u6837\u672c\u7684\u8bc6\u522b\u8d8a\u7cbe\u51c6\uff0c\u4f46\u4e5f\u53ef\u80fd\u5e26\u6765\u66f4\u9ad8\u7684\u8bef\u62a5\u7387\u3002\u5f53\u771f\u5b9e\u6b63\u6837\u672c\u6bd4\u8f83\u5c11\u65f6\uff0c\u53ec\u56de\u7387\u4e5f\u4f1a\u76f8\u5bf9\u8f83\u4f4e\u3002<\/p>\n\n\n\n
\u4e8c\u3001\u5982\u4f55\u8ba1\u7b97\u53ec\u56de\u7387
\u53ec\u56de\u7387\u7684\u8ba1\u7b97\u516c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n
\u53ec\u56de\u7387 = \u6a21\u578b\u6210\u529f\u68c0\u6d4b\u5230\u7684\u6240\u6709\u771f\u5b9e\u6b63\u6837\u672c\u4e2a\u6570 \/ \u771f\u5b9e\u6b63\u6837\u672c\u603b\u6570
\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5047\u8bbe\u67d0\u4e2a\u6a21\u578b\u5bf9500\u4e2a\u6b63\u6837\u672c\u8fdb\u884c\u4e86\u9884\u6d4b\uff0c\u5176\u4e2d\u6b63\u786e\u8bc6\u522b\u51fa\u4e86450\u4e2a\uff0c\u4f46\u6f0f\u8bc6\u522b\u4e8650\u4e2a\u3002\u8fd9\u4e2a\u6a21\u578b\u7684\u53ec\u56de\u7387\u4e3a450\/500=0.9\uff0c\u537390%\u3002<\/p>\n\n\n\n
\u4e09\u3001\u4ec0\u4e48\u60c5\u51b5\u4e0b\u9700\u8981\u53ec\u56de\u7387
\u53ec\u56de\u7387\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n\n\n\n
\u4e8c\u5206\u7c7b\u95ee\u9898\uff0c\u5176\u4e2d\u6b63\u6837\u672c\u6570\u76f8\u5bf9\u8f83\u5c11\u3002
\u6a21\u578b\u7684\u9884\u6d4b\u7ed3\u679c\u9700\u8981\u88ab\u8fdb\u4e00\u6b65\u4fee\u6b63\u6216\u7b5b\u9009\u3002
\u9700\u8981\u4f18\u5316\u6a21\u578b\u7684\u654f\u611f\u6027\uff0c\u5373\u5c3d\u53ef\u80fd\u5730\u8bc6\u522b\u66f4\u591a\u7684\u771f\u5b9e\u6b63\u6837\u672c\u3002
\u56db\u3001\u5982\u4f55\u63d0\u9ad8\u53ec\u56de\u7387
\u63d0\u9ad8\u53ec\u56de\u7387\u7684\u65b9\u6cd5\u6709\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n\n\n\n
\u589e\u52a0\u6b63\u6837\u672c\u6570\u3002\u589e\u52a0\u6b63\u6837\u672c\u6570\u80fd\u591f\u63d0\u9ad8\u53ec\u56de\u7387\uff0c\u4f46\u524d\u63d0\u662f\u6b63\u6837\u672c\u786e\u5b9e\u5b58\u5728\uff0c\u5e76\u4e14\u53ef\u4ee5\u6269\u5927\u6b63\u6837\u672c\u8303\u56f4\u3002
\u8c03\u6574\u6a21\u578b\u9608\u503c\u3002\u964d\u4f4e\u6a21\u578b\u9608\u503c\u80fd\u591f\u51cf\u5c11\u6f0f\u8bc6\u522b\uff0c\u4f46\u4e5f\u4f1a\u589e\u52a0\u8bef\u62a5\u3002\u8c03\u6574\u6a21\u578b\u9608\u503c\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u8fdb\u884c\u3002
\u4f18\u5316\u6a21\u578b\u8bad\u7ec3\u3002\u5728\u6a21\u578b\u8bad\u7ec3\u65f6\uff0c\u53ef\u4ee5\u591a\u91c7\u7528\u6b63\u6837\u672c\uff0c\u589e\u52a0\u6b63\u6837\u672c\u7684\u7279\u5f81\u548c\u6570\u91cf\uff0c\u6709\u6548\u63d0\u9ad8\u6a21\u578b\u7684\u53ec\u56de\u7387\u3002
\u91c7\u7528\u4e0d\u540c\u7684\u7b97\u6cd5\u548c\u6a21\u578b\u3002\u4e0d\u540c\u7684\u7b97\u6cd5\u548c\u6a21\u578b\u5177\u6709\u4e0d\u540c\u7684\u4f18\u52a3\u7279\u70b9\uff0c\u5728\u9009\u62e9\u7b97\u6cd5\u548c\u6a21\u578b\u65f6\u9700\u8981\u5145\u5206\u8003\u8651\u53ec\u56de\u7387\u7684\u9700\u6c42\u3002
\u4e94\u3001\u53ec\u56de\u7387\u4e0e\u7cbe\u786e\u7387\u7684\u5173\u7cfb
\u53ec\u56de\u7387\u548c\u7cbe\u786e\u7387\u90fd\u662f\u6a21\u578b\u8bc4\u4f30\u4e2d\u6bd4\u8f83\u91cd\u8981\u7684\u6307\u6807\u3002\u53ec\u56de\u7387\u6ce8\u91cd\u7684\u662f\u5c3d\u53ef\u80fd\u8bc6\u522b\u66f4\u591a\u7684\u771f\u5b9e\u6b63\u6837\u672c\uff0c\u800c\u7cbe\u786e\u7387\u5219\u6ce8\u91cd\u7684\u662f\u5c3d\u53ef\u80fd\u6392\u9664\u8bef\u8bc6\u522b\u7684\u8d1f\u6837\u672c\u3002\u4e00\u822c\u800c\u8a00\uff0c\u53ec\u56de\u7387\u4e0e\u7cbe\u786e\u7387\u5b58\u5728\u4e00\u5b9a\u7684\u8d1f\u76f8\u5173\u5173\u7cfb\uff0c\u63d0\u9ad8\u5176\u4e2d\u4e00\u4e2a\u6307\u6807\u53ef\u80fd\u4f1a\u964d\u4f4e\u53e6\u4e00\u4e2a\u6307\u6807\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u8fdb\u884c\u53d6\u820d\u3002<\/p>\n\n\n\n
\u516d\u3001\u603b\u7ed3
\u672c\u6587\u5bf9\u53ec\u56de\u7387\u8fdb\u884c\u4e86\u6df1\u5165\u7684\u63a2\u8ba8\uff0c\u5e76\u4ece\u591a\u4e2a\u65b9\u9762\u4ecb\u7ecd\u4e86\u53ec\u56de\u7387\u7684\u6982\u5ff5\u3001\u8ba1\u7b97\u3001\u5e94\u7528\u548c\u63d0\u9ad8\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u53ec\u56de\u7387\u6307\u6807\u548c\u4f18\u5316\u65b9\u6cd5\uff0c\u4ee5\u5b9e\u73b0\u66f4\u597d\u7684\u6a21\u578b\u6027\u80fd\u3002
<\/p>\n","protected":false},"excerpt":{"rendered":"
\u53ec\u56de\u7387\u662f\u6307\u5728\u6240\u6709\u6b63\u6837\u672c\u4e2d\uff0c\u88ab\u6210\u529f\u9884\u6d4b\u4e3a\u6b63\u6837\u672c\u7684\u6837\u672c\u6570\u5360\u6bd4\u3002\u5728\u673a\u5668\u5b66\u4e60\u9886\u57df\uff0c\u53ec\u56de\u7387\u662f\u8bc4\u4f30\u6a21\u578b\u9884\u6d4b\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u4e4b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-1926","post","type-post","status-publish","format-standard","hentry","category-30"],"_links":{"self":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1926","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1926"}],"version-history":[{"count":1,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1926\/revisions"}],"predecessor-version":[{"id":1927,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1926\/revisions\/1927"}],"wp:attachment":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1926"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1926"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1926"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}