{"id":45865,"date":"2023-08-01T10:04:49","date_gmt":"2023-08-01T02:04:49","guid":{"rendered":"https:\/\/docs.pingcode.com\/?p=45865"},"modified":"2023-08-01T10:04:53","modified_gmt":"2023-08-01T02:04:53","slug":"linear-svm%e5%92%8clr%e6%9c%89%e4%bb%80%e4%b9%88%e5%bc%82%e5%90%8c","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/45865.html","title":{"rendered":"Linear SVM\u548cLR\u6709\u4ec0\u4e48\u5f02\u540c"},"content":{"rendered":"\n
\n

Linear SVM (\u652f\u6301\u5411\u91cf\u673a)\u548cLR (\u903b\u8f91\u56de\u5f52)\u90fd\u662f\u673a\u5668\u5b66\u4e60\u9886\u57df\u5e38\u7528\u7684\u4e8c\u5206\u7c7b\u65b9\u6cd5\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u5f02\u540c\u70b9\u4f53\u73b0\u5728\uff1a1.\u6a21\u578b\u539f\u7406\u4e0d\u540c\uff1b2.\u635f\u5931\u51fd\u6570\u4e0d\u540c\uff1b3.\u51b3\u7b56\u8fb9\u754c\u4e0d\u540c\uff1b4.\u9c81\u68d2\u6027\u4e0d\u540c\uff1b5.\u7ed3\u679c\u89e3\u91ca\u6027\u4e0d\u540c\u3002Linear SVM\u662f\u57fa\u4e8e\u51e0\u4f55\u8fb9\u754c\u7684\u5206\u7c7b\u6a21\u578b\uff0c\u800cLR\u5219\u662f\u4e00\u79cd\u57fa\u4e8e\u6982\u7387\u7684\u5206\u7c7b\u6a21\u578b\u3002<\/p>\n<\/blockquote>\n\n\n

\n
\"\"<\/figure><\/div>\n\n\n

1.<\/strong>\u6a21\u578b\u539f\u7406\u4e0d\u540c<\/strong><\/h2>\n\n\n\n

Linear SVM\u662f\u57fa\u4e8e\u51e0\u4f55\u8fb9\u754c\u7684\u5206\u7c7b\u6a21\u578b\uff0c\u5176\u76ee\u6807\u662f\u5bfb\u627e\u4e00\u4e2a\u8d85\u5e73\u9762\u5c06\u4e0d\u540c\u7c7b\u522b\u7684\u6837\u672c\u6700\u5927\u7a0b\u5ea6\u5730\u5206\u9694\u5f00\u3002\u800cLR\u5219\u662f\u4e00\u79cd\u57fa\u4e8e\u6982\u7387\u7684\u5206\u7c7b\u6a21\u578b\uff0c\u901a\u8fc7\u5b66\u4e60\u6837\u672c\u7684\u6982\u7387\u5206\u5e03\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n\n\n\n

2.<\/strong>\u635f\u5931\u51fd\u6570\u4e0d\u540c<\/strong><\/h2>\n\n\n\n

Linear SVM\u4f7f\u7528\u95f4\u9694\u6700\u5927\u5316\uff08\u5373hinge loss\uff09\u7684\u539f\u5219\u4f5c\u4e3a\u5176\u4f18\u5316\u76ee\u6807\uff0c\u5b83\u5173\u6ce8\u7684\u662f\u79bb\u5206\u7c7b\u8d85\u5e73\u9762\u6700\u8fd1\u7684\u90a3\u4e9b\u70b9\uff08\u5373\u652f\u6301\u5411\u91cf\uff09\u3002LR\u5219\u4f7f\u7528\u903b\u8f91\u635f\u5931\u51fd\u6570\uff0c\u5176\u8003\u8651\u4e86\u6240\u6709\u6837\u672c\u5bf9\u635f\u5931\u7684\u8d21\u732e\u3002<\/p>\n\n\n\n

3.<\/strong>\u51b3\u7b56\u8fb9\u754c\u4e0d\u540c<\/strong><\/h2>\n\n\n\n

Linear SVM\u7684\u51b3\u7b56\u8fb9\u754c\u662f\u7531\u652f\u6301\u5411\u91cf\u786e\u5b9a\u7684\u6700\u5927\u95f4\u9694\u8d85\u5e73\u9762\uff0c\u51b3\u7b56\u8fb9\u754c\u53ea\u4f9d\u8d56\u4e8e\u5c11\u6570\u7684\u652f\u6301\u5411\u91cf\u3002\u800cLR\u7684\u51b3\u7b56\u8fb9\u754c\u662f\u6982\u7387\u4e3a0.5\u7684\u5730\u65b9\uff0c\u51b3\u7b56\u8fb9\u754c\u7531\u6240\u6709\u6837\u672c\u5171\u540c\u51b3\u5b9a\u3002<\/p>\n\n\n\n

4.<\/strong>\u9c81\u68d2\u6027\u4e0d\u540c<\/strong><\/h2>\n\n\n\n

Linear SVM\u7684\u9c81\u68d2\u6027\u66f4\u5f3a\uff0c\u5bf9\u5f02\u5e38\u503c\u548c\u566a\u58f0\u7684\u5f71\u54cd\u8f83\u5c0f\uff0c\u56e0\u4e3a\u5176\u51b3\u7b56\u53ea\u4f9d\u8d56\u4e8e\u652f\u6301\u5411\u91cf\u3002\u800cLR\u5bf9\u4e8e\u566a\u58f0\u548c\u5f02\u5e38\u503c\u66f4\u4e3a\u654f\u611f\uff0c\u56e0\u4e3a\u5176\u635f\u5931\u51fd\u6570\u8003\u8651\u4e86\u6240\u6709\u6837\u672c\u7684\u8d21\u732e\u3002<\/p>\n\n\n\n

5.<\/strong>\u7ed3\u679c\u89e3\u91ca\u6027\u4e0d\u540c<\/strong><\/h2>\n\n\n\n

LR\u8f93\u51fa\u7684\u662f\u6bcf\u4e2a\u6837\u672c\u5c5e\u4e8e\u6b63\u7c7b\u7684\u6982\u7387\uff0c\u5177\u6709\u5f88\u597d\u7684\u6982\u7387\u89e3\u91ca\u6027\uff0c\u9002\u7528\u4e8e\u9700\u8981\u6982\u7387\u8f93\u51fa\u7684\u573a\u5408\u3002\u800cLinear SVM\u53ea\u63d0\u4f9b\u4e86\u4e8c\u5206\u7c7b\u7684\u51b3\u7b56\u51fd\u6570\uff0c\u7f3a\u4e4f\u6982\u7387\u89e3\u91ca\u3002<\/p>\n\n\n\n

\u5ef6\u4f38\u9605\u8bfb<\/strong><\/h2>\n\n\n\n

\u9009\u62e9Linear SVM\u8fd8\u662fLR<\/strong><\/p>\n\n\n\n

1.\u6570\u636e\u7279\u6027\uff1a\u5982\u679c\u6570\u636e\u5b58\u5728\u4e25\u91cd\u7684\u5f02\u5e38\u503c\u6216\u566a\u58f0\uff0cLinear SVM\u7531\u4e8e\u5176\u9c81\u68d2\u6027\u8f83\u5f3a\uff0c\u53ef\u80fd\u4f1a\u5f97\u5230\u66f4\u597d\u7684\u6027\u80fd\u3002\u5982\u679c\u6570\u636e\u76f8\u5bf9\u5e72\u51c0\uff0c\u4e14\u5e0c\u671b\u83b7\u5f97\u6982\u7387\u8f93\u51fa\uff0cLR\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

2.\u95ee\u9898\u9700\u6c42\uff1a\u5982\u679c\u95ee\u9898\u9700\u8981\u6709\u826f\u597d\u7684\u6982\u7387\u89e3\u91ca\u6027\uff0cLR\u7684\u8f93\u51fa\u80fd\u76f4\u63a5\u89e3\u91ca\u4e3a\u6982\u7387\u3002\u800c\u5982\u679c\u95ee\u9898\u53ea\u5173\u5fc3\u5206\u7c7b\u51b3\u7b56\uff0c\u4e0d\u9700\u8981\u6982\u7387\u89e3\u91ca\uff0cLinear SVM\u4e5f\u662f\u4e00\u4e2a\u5f88\u597d\u7684\u9009\u62e9\u3002<\/p>\n\n\n\n

3.\u8ba1\u7b97\u8d44\u6e90\uff1a\u5982\u679c\u6570\u636e\u7684\u7ef4\u5ea6\u975e\u5e38\u9ad8\uff0c\u6216\u8005\u6570\u636e\u91cf\u975e\u5e38\u5927\uff0cLR\u7531\u4e8e\u5176\u8ba1\u7b97\u590d\u6742\u5ea6\u4f4e\uff0c\u53ef\u80fd\u662f\u66f4\u597d\u7684\u9009\u62e9\u3002\u800c\u5982\u679c\u8ba1\u7b97\u8d44\u6e90\u5145\u8db3\uff0c\u6570\u636e\u7ef4\u5ea6\u4e0d\u9ad8\uff0cLinear SVM\u80fd\u591f\u627e\u5230\u66f4\u597d\u7684\u51b3\u7b56\u8fb9\u754c\u3002<\/p>\n\n\n\n

\u9009\u62e9\u9002\u5408\u7684\u6a21\u578b\u9700\u8981\u6839\u636e\u6570\u636e\u7279\u6027\uff0c\u95ee\u9898\u9700\u6c42\uff0c\u4ee5\u53ca\u53ef\u7528\u7684\u8ba1\u7b97\u8d44\u6e90\u8fdb\u884c\u7efc\u5408\u8003\u8651\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Linear SVM (\u652f\u6301\u5411\u91cf\u673a)\u548cLR (\u903b\u8f91\u56de\u5f52)\u90fd\u662f\u673a\u5668\u5b66\u4e60\u9886\u57df\u5e38\u7528\u7684\u4e8c\u5206\u7c7b\u65b9\u6cd5\u3002\u5b83\u4eec\u7684\u4e3b\u8981\u5f02\u540c\u70b9\u4f53\u73b0 […]","protected":false},"author":1,"featured_media":45866,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/45865"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=45865"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/45865\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/45866"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=45865"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=45865"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=45865"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}