{"id":1546,"date":"2024-01-30T21:05:26","date_gmt":"2024-01-30T13:05:26","guid":{"rendered":"https:\/\/refusea.com\/?p=1546"},"modified":"2024-01-30T21:07:34","modified_gmt":"2024-01-30T13:07:34","slug":"%e5%8f%ac%e5%9b%9e%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/refusea.com\/?p=1546","title":{"rendered":"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"<p>\u5728\u7b97\u6cd5\u5de5\u7a0b\u4e2d\uff0c&quot;\u53ec\u56de&quot;\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u522b\u662f\u5728\u4fe1\u606f\u68c0\u7d22\u548c\u673a\u5668\u5b66\u4e60\u9886\u57df\u3002<\/p>\n<p>\u53ec\u56de\u7387\uff08Recall\uff09\u662f\u4e00\u79cd\u8861\u91cf\u6a21\u578b\u9884\u6d4b\u80fd\u529b\u7684\u6307\u6807\uff0c\u7279\u522b\u662f\u6a21\u578b\u8bc6\u522b\u51fa\u76f8\u5173\u5b9e\u4f8b\u7684\u80fd\u529b\u3002<\/p>\n<p>\u5177\u4f53\u6765\u8bf4\uff0c\u53ec\u56de\u7387\u662f\u6307\u6a21\u578b\u6b63\u786e\u8bc6\u522b\u51fa\u7684\u6b63\u4f8b\uff08\u771f\u6b63\u4f8b\uff09\u5360\u6240\u6709\u5b9e\u9645\u6b63\u4f8b\uff08\u771f\u6b63\u4f8b+\u5047\u53cd\u4f8b\uff09\u7684\u6bd4\u4f8b\u3002\u6362\u53e5\u8bdd\u8bf4\uff0c\u5b83\u662f\u6a21\u578b\u627e\u5230\u7684\u76f8\u5173\u5b9e\u4f8b\u5360\u6240\u6709\u76f8\u5173\u5b9e\u4f8b\u7684\u6bd4\u4f8b\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u6709\u4e00\u4e2a\u7528\u4e8e\u68c0\u6d4b\u5783\u573e\u90ae\u4ef6\u7684\u6a21\u578b\uff0c\u90a3\u4e48\u53ec\u56de\u7387\u5c31\u662f\u6a21\u578b\u6b63\u786e\u6807\u8bb0\u4e3a\u5783\u573e\u90ae\u4ef6\u7684\u90ae\u4ef6\u6570\u91cf\u5360\u6240\u6709\u5b9e\u9645\u5783\u573e\u90ae\u4ef6\u6570\u91cf\u7684\u6bd4\u4f8b\u3002<\/p>\n<p>\u53ec\u56de\u7387\u548c\u7cbe\u786e\u7387\uff08Precision\uff09\u901a\u5e38\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u83b7\u5f97\u6a21\u578b\u6027\u80fd\u7684\u5168\u9762\u89c6\u56fe\u3002<\/p>\n<p>\u7cbe\u786e\u7387\u662f\u6a21\u578b\u9884\u6d4b\u4e3a\u6b63\u4f8b\u7684\u5b9e\u4f8b\u4e2d\u5b9e\u9645\u4e3a\u6b63\u4f8b\u7684\u6bd4\u4f8b\uff0c\u800c\u53ec\u56de\u7387\u5219\u5173\u6ce8\u6a21\u578b\u80fd\u627e\u5230\u591a\u5c11\u5b9e\u9645\u7684\u6b63\u4f8b\u3002<\/p>\n<h2>\u4f8b\u5b50<\/h2>\n<blockquote>\n<p>\u5982\u679c\u6709 1000 \u90ae\u4ef6\u9700\u8981\u68c0\u6d4b\uff0c\u7b97\u6cd5\u68c0\u6d4b\u51fa\u6709 800 \u5783\u573e\u90ae\u4ef6\uff0c\u5b9e\u9645\u8fd9 800 \u91cc\u771f\u6b63\u7684\u5783\u573e\u90ae\u4ef6\u662f 600\uff0c\u540c\u65f6\u7b97\u6cd5\u8fd8\u9057\u6f0f\u4e86 50 \u5783\u573e\u90ae\u4ef6\u3002\u90a3\u4e48\u53ec\u56de\u7387\u548c\u7cbe\u786e\u7387\u662f\u591a\u5c11\uff1f\u600e\u4e48\u8ba1\u7b97\u7684\uff1f<\/p>\n<\/blockquote>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5148\u5b9a\u4e49\u4ee5\u4e0b\u51e0\u4e2a\u6982\u5ff5\uff1a<\/p>\n<ul>\n<li>\u771f\u6b63\u4f8b\uff08True Positive\uff0cTP\uff09\uff1a\u7b97\u6cd5\u6b63\u786e\u5730\u9884\u6d4b\u4e3a\u5783\u573e\u90ae\u4ef6\u7684\u90ae\u4ef6\u6570\u91cf\uff0c\u5373600\u5c01\u3002<\/li>\n<li>\u5047\u6b63\u4f8b\uff08False Positive\uff0cFP\uff09\uff1a\u7b97\u6cd5\u9519\u8bef\u5730\u9884\u6d4b\u4e3a\u5783\u573e\u90ae\u4ef6\u7684\u90ae\u4ef6\u6570\u91cf\uff0c\u5373800\uff08\u7b97\u6cd5\u9884\u6d4b\u4e3a\u5783\u573e\u90ae\u4ef6\u7684\u6570\u91cf\uff09- 600\uff08\u771f\u6b63\u7684\u5783\u573e\u90ae\u4ef6\u6570\u91cf\uff09= 200\u5c01\u3002<\/li>\n<li>\u5047\u53cd\u4f8b\uff08False Negative\uff0cFN\uff09\uff1a\u7b97\u6cd5\u9519\u8bef\u5730\u9884\u6d4b\u4e3a\u975e\u5783\u573e\u90ae\u4ef6\u7684\u90ae\u4ef6\u6570\u91cf\uff0c\u5373\u9057\u6f0f\u7684\u5783\u573e\u90ae\u4ef6\u6570\u91cf\uff0c\u537350\u5c01\u3002<\/li>\n<\/ul>\n<p>\u6839\u636e\u8fd9\u4e9b\u5b9a\u4e49\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u53ec\u56de\u7387\u548c\u7cbe\u786e\u7387\uff1a<\/p>\n<ul>\n<li>\u53ec\u56de\u7387\uff08Recall\uff09= \u771f\u6b63\u4f8b \/ (\u771f\u6b63\u4f8b + \u5047\u53cd\u4f8b) = 600 \/ (600 + 50) = 0.923\uff0c\u6216\u8005\u8bf492.3%\u3002<\/li>\n<li>\u7cbe\u786e\u7387\uff08Precision\uff09= \u771f\u6b63\u4f8b \/ (\u771f\u6b63\u4f8b + \u5047\u6b63\u4f8b) = 600 \/ (600 + 200) = 0.75\uff0c\u6216\u8005\u8bf475%\u3002<\/li>\n<\/ul>\n<p>\u6240\u4ee5\uff0c\u8fd9\u4e2a\u5783\u573e\u90ae\u4ef6\u68c0\u6d4b\u7b97\u6cd5\u7684\u53ec\u56de\u7387\u662f92.3%\uff0c\u7cbe\u786e\u7387\u662f75%\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u7b97\u6cd5\u5de5\u7a0b\u4e2d\uff0c&quot;\u53ec\u56de&quot;\u662f\u4e00\u4e2a\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u7279\u522b\u662f\u5728\u4fe1\u606f\u68c0\u7d22\u548c\u673a\u5668\u5b66\u4e60\u9886\u57df\u3002 \u53ec\u56de\u7387\uff08Reca [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[],"class_list":["post-1546","post","type-post","status-publish","format-standard","hentry","category-ai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f - \u62d2\u6d77\u7a7a\u95f4<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/refusea.com\/?p=1546\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"refusea.com\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/refusea.com\/?p=1546#article\",\"isPartOf\":{\"@id\":\"https:\/\/refusea.com\/?p=1546\"},\"author\":{\"name\":\"refusea.com\",\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\"},\"headline\":\"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f\",\"datePublished\":\"2024-01-30T13:05:26+00:00\",\"dateModified\":\"2024-01-30T13:07:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/refusea.com\/?p=1546\"},\"wordCount\":16,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\"},\"articleSection\":[\"AI\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/refusea.com\/?p=1546#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/refusea.com\/?p=1546\",\"url\":\"https:\/\/refusea.com\/?p=1546\",\"name\":\"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f - \u62d2\u6d77\u7a7a\u95f4\",\"isPartOf\":{\"@id\":\"https:\/\/refusea.com\/#website\"},\"datePublished\":\"2024-01-30T13:05:26+00:00\",\"dateModified\":\"2024-01-30T13:07:34+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/refusea.com\/?p=1546#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/refusea.com\/?p=1546\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/refusea.com\/?p=1546#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/refusea.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/refusea.com\/#website\",\"url\":\"https:\/\/refusea.com\/\",\"name\":\"\u62d2\u6d77\u7a7a\u95f4\",\"description\":\"\u62d2\u6d77\u7684\u4e2a\u4eba\u535a\u5ba2\",\"publisher\":{\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/refusea.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df\",\"name\":\"refusea.com\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/7f7489b4afdbd952db64e7a6704d1258?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/7f7489b4afdbd952db64e7a6704d1258?s=96&d=mm&r=g\",\"caption\":\"refusea.com\"},\"logo\":{\"@id\":\"https:\/\/refusea.com\/#\/schema\/person\/image\/\"},\"sameAs\":[\"https:\/\/refusea.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f - \u62d2\u6d77\u7a7a\u95f4","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/refusea.com\/?p=1546","twitter_misc":{"\u4f5c\u8005":"refusea.com","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/refusea.com\/?p=1546#article","isPartOf":{"@id":"https:\/\/refusea.com\/?p=1546"},"author":{"name":"refusea.com","@id":"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df"},"headline":"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f","datePublished":"2024-01-30T13:05:26+00:00","dateModified":"2024-01-30T13:07:34+00:00","mainEntityOfPage":{"@id":"https:\/\/refusea.com\/?p=1546"},"wordCount":16,"commentCount":0,"publisher":{"@id":"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df"},"articleSection":["AI"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/refusea.com\/?p=1546#respond"]}]},{"@type":"WebPage","@id":"https:\/\/refusea.com\/?p=1546","url":"https:\/\/refusea.com\/?p=1546","name":"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f - \u62d2\u6d77\u7a7a\u95f4","isPartOf":{"@id":"https:\/\/refusea.com\/#website"},"datePublished":"2024-01-30T13:05:26+00:00","dateModified":"2024-01-30T13:07:34+00:00","breadcrumb":{"@id":"https:\/\/refusea.com\/?p=1546#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/refusea.com\/?p=1546"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/refusea.com\/?p=1546#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/refusea.com\/"},{"@type":"ListItem","position":2,"name":"\u7b97\u6cd5\u5de5\u7a0b\u5e08\u8bf4\u7684\u53ec\u56de\u662f\u4ec0\u4e48\u610f\u601d\uff1f"}]},{"@type":"WebSite","@id":"https:\/\/refusea.com\/#website","url":"https:\/\/refusea.com\/","name":"\u62d2\u6d77\u7a7a\u95f4","description":"\u62d2\u6d77\u7684\u4e2a\u4eba\u535a\u5ba2","publisher":{"@id":"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/refusea.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":["Person","Organization"],"@id":"https:\/\/refusea.com\/#\/schema\/person\/b5393cc8b15717000d19424552aae0df","name":"refusea.com","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/refusea.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/7f7489b4afdbd952db64e7a6704d1258?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/7f7489b4afdbd952db64e7a6704d1258?s=96&d=mm&r=g","caption":"refusea.com"},"logo":{"@id":"https:\/\/refusea.com\/#\/schema\/person\/image\/"},"sameAs":["https:\/\/refusea.com"]}]}},"_links":{"self":[{"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/posts\/1546"}],"collection":[{"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/refusea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1546"}],"version-history":[{"count":4,"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/posts\/1546\/revisions"}],"predecessor-version":[{"id":1550,"href":"https:\/\/refusea.com\/index.php?rest_route=\/wp\/v2\/posts\/1546\/revisions\/1550"}],"wp:attachment":[{"href":"https:\/\/refusea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1546"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/refusea.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1546"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/refusea.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1546"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}