{"id":32544,"date":"2025-04-24T20:17:37","date_gmt":"2025-04-24T12:17:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/32544.html"},"modified":"2025-04-24T20:17:37","modified_gmt":"2025-04-24T12:17:37","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e5%88%86%e7%b1%bb%e7%ae%97%e6%b3%95%e8%af%a6%e8%a7%a3%ef%bc%9a%e5%8e%9f%e7%90%86%e3%80%81%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af%e4%b8%8e%e6%b5%8b%e8%af%95%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/32544.html","title":{"rendered":"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b"},"content":{"rendered":"<h4>\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b<\/h4>\n<hr>\n<h5>\u4e00\u3001\u57fa\u7840\u5206\u7c7b\u7b97\u6cd5<\/h5>\n<hr>\n<h6>1. \u51b3\u7b56\u6811<\/h6>\n<ul>\n<li>\u539f\u7406\uff1a \u901a\u8fc7\u9012\u5f52\u5212\u5206\u6570\u636e\u96c6\uff0c\u9009\u62e9\u4fe1\u606f\u589e\u76ca\uff08ID3\uff09\u6216\u57fa\u5c3c\u7cfb\u6570\uff08CART\uff09\u6700\u5927\u7684\u7279\u5f81\u4f5c\u4e3a\u5206\u88c2\u8282\u70b9\uff0c\u6784\u5efa\u6811\u7ed3\u6784\u3002\u53f6\u8282\u70b9\u4ee3\u8868\u5206\u7c7b\u7ed3\u679c\u3002<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\n<ul>\n<li>\u533b\u7597\u8bca\u65ad\uff08\u9700\u89e3\u91ca\u6027\uff0c\u5982\u5224\u65ad\u75be\u75c5\u98ce\u9669\uff09\u3002<\/li>\n<li>\u5ba2\u6237\u5206\u7fa4\uff08\u5982\u6839\u636e\u6d88\u8d39\u884c\u4e3a\u5212\u5206\u7528\u6237\u7fa4\u4f53\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6d4b\u8bd5\u7528\u4f8b\uff1a \u6570\u636e\u96c6\uff1aIris\uff08\u9e22\u5c3e\u82b1\uff09\u6570\u636e\u96c6\u3002 \u5b9e\u73b0\uff1a\u4f7f\u7528 scikit-learn \u7684 DecisionTreeClassifier\uff0c\u53ef\u89c6\u5316\u6811\u7ed3\u6784\u5e76\u89c2\u5bdf\u7279\u5f81\u91cd\u8981\u6027\u3002<\/li>\n<\/ul>\n<hr>\n<h6>2. \u903b\u8f91\u56de\u5f52<\/h6>\n<ul>\n<li>\u539f\u7406\uff1a \u4f7f\u7528 Sigmoid \u51fd\u6570\u5c06\u7ebf\u6027\u56de\u5f52\u7ed3\u679c\u6620\u5c04\u5230 [0,1]\uff0c\u8868\u793a\u6982\u7387\u3002\u901a\u8fc7\u6700\u5927\u4f3c\u7136\u4f30\u8ba1\u4f18\u5316\u53c2\u6570\u3002<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\n<ul>\n<li>\u5783\u573e\u90ae\u4ef6\u68c0\u6d4b\uff08\u4e8c\u5206\u7c7b\uff1a\u662f\/\u5426\uff09\u3002<\/li>\n<li>\u4fe1\u7528\u8bc4\u5206\uff08\u9884\u6d4b\u7528\u6237\u8fdd\u7ea6\u6982\u7387\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6d4b\u8bd5\u7528\u4f8b\uff1a \u6570\u636e\u96c6\uff1a\u6cf0\u5766\u5c3c\u514b\u751f\u5b58\u9884\u6d4b\u3002 \u5b9e\u73b0\uff1a\u7528 LogisticRegression \u9884\u6d4b\u4e58\u5ba2\u662f\u5426\u5e78\u5b58\uff0c\u8bc4\u4f30 AUC-ROC \u66f2\u7ebf\u3002<\/li>\n<\/ul>\n<hr>\n<h6>3. \u652f\u6301\u5411\u91cf\u673a\uff08SVM\uff09<\/h6>\n<ul>\n<li>\u539f\u7406\uff1a \u5bfb\u627e\u6700\u5927\u95f4\u9694\u8d85\u5e73\u9762\u5206\u79bb\u7c7b\u522b\uff0c\u6838\u51fd\u6570\uff08\u5982 RBF\uff09\u5904\u7406\u975e\u7ebf\u6027\u53ef\u5206\u6570\u636e\u3002<\/li>\n<li>\u5e94\u7528\u573a\u666f\uff1a\n<ul>\n<li>\u6587\u672c\u5206\u7c7b\uff08\u9ad8\u7ef4\u7a00\u758f\u6570\u636e\uff0c\u5982\u65b0\u95fb\u5206\u7c7b\uff09\u3002<\/li>\n<li>\u56fe\u50cf\u8bc6\u522b\uff08\u5982\u624b\u5199\u6570\u5b57\u8bc6\u522b\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6d4b\u8bd5\u7528\u4f8b\uff1a \u6570\u636e\u96c6\uff1aMNIST \u624b\u5199\u6570\u5b57\u3002 \u5b9e\u73b0\uff1a\u4f7f\u7528 <\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb732\u6b21\uff0c\u70b9\u8d5e9\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u901a\u8fc7\u4ea4\u53c9\u9a8c\u8bc1\u5bf9\u6bd4\u4e0d\u540c\u7b97\u6cd5\u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u7684\u8868\u73b0\uff0c\u7ed3\u5408\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\uff08\u5982\u7cbe\u5ea6\u3001\u901f\u5ea6\u3001\u53ef\u89e3\u91ca\u6027\uff09\u9009\u62e9\u6700\u4f18\u6a21\u578b\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2395,2641,207],"topic":[],"class_list":["post-32544","post","type-post","status-publish","format-standard","hentry","category-server","tag-2395","tag-2641","tag-207"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/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:\/\/www.wsisp.com\/helps\/32544.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb732\u6b21\uff0c\u70b9\u8d5e9\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u901a\u8fc7\u4ea4\u53c9\u9a8c\u8bc1\u5bf9\u6bd4\u4e0d\u540c\u7b97\u6cd5\u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u7684\u8868\u73b0\uff0c\u7ed3\u5408\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\uff08\u5982\u7cbe\u5ea6\u3001\u901f\u5ea6\u3001\u53ef\u89e3\u91ca\u6027\uff09\u9009\u62e9\u6700\u4f18\u6a21\u578b\u3002\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/32544.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-24T12:17:37+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/32544.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/32544.html\",\"name\":\"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2025-04-24T12:17:37+00:00\",\"dateModified\":\"2025-04-24T12:17:37+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/32544.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/32544.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/32544.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","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:\/\/www.wsisp.com\/helps\/32544.html","og_locale":"zh_CN","og_type":"article","og_title":"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb732\u6b21\uff0c\u70b9\u8d5e9\u6b21\uff0c\u6536\u85cf5\u6b21\u3002\u901a\u8fc7\u4ea4\u53c9\u9a8c\u8bc1\u5bf9\u6bd4\u4e0d\u540c\u7b97\u6cd5\u5728\u6d4b\u8bd5\u7528\u4f8b\u4e2d\u7684\u8868\u73b0\uff0c\u7ed3\u5408\u5b9e\u9645\u4e1a\u52a1\u9700\u6c42\uff08\u5982\u7cbe\u5ea6\u3001\u901f\u5ea6\u3001\u53ef\u89e3\u91ca\u6027\uff09\u9009\u62e9\u6700\u4f18\u6a21\u578b\u3002","og_url":"https:\/\/www.wsisp.com\/helps\/32544.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2025-04-24T12:17:37+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/32544.html","url":"https:\/\/www.wsisp.com\/helps\/32544.html","name":"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2025-04-24T12:17:37+00:00","dateModified":"2025-04-24T12:17:37+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/32544.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/32544.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/32544.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u673a\u5668\u5b66\u4e60\u5206\u7c7b\u7b97\u6cd5\u8be6\u89e3\uff1a\u539f\u7406\u3001\u5e94\u7528\u573a\u666f\u4e0e\u6d4b\u8bd5\u7528\u4f8b"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/32544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=32544"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/32544\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=32544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=32544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=32544"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=32544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}