{"id":45154,"date":"2023-12-11T15:05:00","date_gmt":"2023-12-11T07:05:00","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=45154"},"modified":"2023-12-11T15:05:00","modified_gmt":"2023-12-11T07:05:00","slug":"%e7%94%9f%e6%88%90%e5%bc%8f%e6%a8%a1%e5%9e%8b%e3%80%81%e5%88%a4%e5%88%ab%e5%bc%8f%e6%a8%a1%e5%9e%8b","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e7%94%9f%e6%88%90%e5%bc%8f%e6%a8%a1%e5%9e%8b%e3%80%81%e5%88%a4%e5%88%ab%e5%bc%8f%e6%a8%a1%e5%9e%8b\/","title":{"rendered":"\u751f\u6210\u5f0f\u6a21\u578b\u3001\u5224\u522b\u5f0f\u6a21\u578b"},"content":{"rendered":"<p>&#8220;`&#8221;                    <a class=\"\"url\"\" href=\"\"https:\/\/github.com\/imhuay\/Algorithm_Interview_Notes-Chinese\/blob\/master\/A-\"\" target=\"\"_blank\"\">https:\/\/github.com\/imhuay\/Algorithm_Interview_Notes-Chinese\/blob\/master\/A-<\/a>\u673a\u5668\u5b66\u4e60\/A-\u673a\u5668\u5b66\u4e60\u57fa\u7840.md#\u751f\u6210\u6a21\u578b\u4e0e\u5224\u522b\u6a21\u578b<\/p>\n<p>\u751f\u6210\u5f0f\u6a21\u578b(generative model)\u4f1a\u5bf9x\u548cy\u7684\u8054\u5408\u5206\u5e03p(x,y)\u8fdb\u884c\u5efa\u6a21,\u7136\u540e\u901a\u8fc7\u8d1d\u53f6\u65af\u516c\u5f0f\u6765\u6c42\u5f97p(y|x), \u6700\u540e\u9009\u53d6\u4f7f\u5f97p(y|x)\u6700\u5927\u7684yi. \u5177\u4f53\u5730,<\/p>\n<p>\u5224\u522b\u5f0f\u6a21\u578b(discriminative model)\u5219\u4f1a\u76f4\u63a5\u5bf9p(y|x)\u8fdb\u884c\u5efa\u6a21.<\/p>\n<p>\u76d1\u7763\u5b66\u4e60\u6a21\u578b\u53ef\u5206\u4e3a\u751f\u6210\u6a21\u578b\u4e0e\u5224\u522b\u6a21\u578b<\/p>\n<p>\u5224\u522b\u6a21\u578b\u76f4\u63a5\u5b66\u4e60\u51b3\u7b56\u51fd\u6570(Y=f(X))\u6216\u8005\u6761\u4ef6\u6982\u7387\u5206\u5e03\u5bf9p(Y|X)<br \/>\n\u76f4\u89c2\u6765\u8bf4\uff0c\u5224\u522b\u6a21\u578b\u5b66\u4e60\u7684\u662f\u7c7b\u522b\u4e4b\u95f4\u7684\u6700\u4f18\u5206\u9694\u9762\uff0c\u53cd\u6620\u7684\u662f\u4e0d\u540c\u7c7b\u6570\u636e\u4e4b\u95f4\u7684\u5dee\u5f02<br \/>\n\u751f\u6210\u6a21\u578b\u5b66\u4e60\u7684\u662f\u8054\u5408\u6982\u7387\u5206\u5e03P(X,Y)\uff0c\u7136\u540e\u6839\u636e\u6761\u4ef6\u6982\u7387\u516c\u5f0f\u8ba1\u7b97 P(Y|X): P(Y|X) = P(X,Y)\/P(X)<br \/>\n\u5e38\u89c1\u6a21\u578b<br \/>\n\u5224\u522b\u6a21\u578b<br \/>\nK \u8fd1\u90bb\u3001\u611f\u77e5\u673a\uff08\u795e\u7ecf\u7f51\u7edc\uff09\u3001\u51b3\u7b56\u6811\u3001\u903b\u8f91\u65af\u8482\u56de\u5f52\u3001\u6700\u5927\u71b5\u6a21\u578b\u3001SVM\u3001\u63d0\u5347\u65b9\u6cd5\u3001\u6761\u4ef6\u968f\u673a\u573a\u3001CART<br \/>\n\u751f\u6210\u6a21\u578b<br \/>\n\u6734\u7d20\u8d1d\u53f6\u65af\u3001\u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b\u3001\u6df7\u5408\u9ad8\u65af\u6a21\u578b\u3001\u8d1d\u53f6\u65af\u7f51\u7edc\u3001\u9a6c\u5c14\u53ef\u592b\u968f\u673a\u573a\u3001DBN<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; https:\/\/github.com\/imhuay\/Algorithm_Int [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-45154","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45154","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=45154"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45154\/revisions"}],"predecessor-version":[{"id":45155,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/45154\/revisions\/45155"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=45154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=45154"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=45154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}