{"id":522,"date":"2023-11-06T17:16:29","date_gmt":"2023-11-06T09:16:29","guid":{"rendered":"http:\/\/ai.gitpp.com\/?p=522"},"modified":"2023-11-06T17:16:29","modified_gmt":"2023-11-06T09:16:29","slug":"%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e4%b8%93%e4%b8%9a%e6%9c%af%e8%af%ad","status":"publish","type":"post","link":"http:\/\/ai.gitpp.com\/index.php\/2023\/11\/06\/%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e4%b8%93%e4%b8%9a%e6%9c%af%e8%af%ad\/","title":{"rendered":"\u673a\u5668\u5b66\u4e60\u4e13\u4e1a\u672f\u8bed"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"_13\">\u673a\u5668\u5b66\u4e60\u4e13\u4e1a\u672f\u8bed<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6a21\u578b\uff08model\uff09: \u8ba1\u7b97\u673a\u5c42\u9762\u7684\u8ba4\u77e5<\/li>\n\n\n\n<li>\u5b66\u4e60\u7b97\u6cd5\uff08learning algorithm\uff09\uff0c\u4ece\u6570\u636e\u4e2d\u4ea7\u751f\u6a21\u578b\u7684\u65b9\u6cd5<\/li>\n\n\n\n<li>\u6570\u636e\u96c6\uff08data set\uff09: \u4e00\u7ec4\u8bb0\u5f55\u7684\u5408\u96c6<\/li>\n\n\n\n<li>\u793a\u4f8b\uff08instance\uff09: \u5bf9\u4e8e\u67d0\u4e2a\u5bf9\u8c61\u7684\u63cf\u8ff0<\/li>\n\n\n\n<li>\u6837\u672c\uff08sample\uff09: \u4e5f\u53eb\u793a\u4f8b<\/li>\n\n\n\n<li>\u5c5e\u6027\uff08attribute\uff09: \u5bf9\u8c61\u7684\u67d0\u65b9\u9762\u8868\u73b0\u6216\u7279\u5f81<\/li>\n\n\n\n<li>\u7279\u5f81\uff08feature\uff09: \u540c\u5c5e\u6027<\/li>\n\n\n\n<li>\u5c5e\u6027\u503c\uff08attribute value\uff09: \u5c5e\u6027\u4e0a\u7684\u53d6\u503c<\/li>\n\n\n\n<li>\u5c5e\u6027\u7a7a\u95f4\uff08attribute space\uff09: \u5c5e\u6027\u5f20\u6210\u7684\u7a7a\u95f4<\/li>\n\n\n\n<li>\u6837\u672c\u7a7a\u95f4\/\u8f93\u5165\u7a7a\u95f4\uff08samplespace\uff09: \u540c\u5c5e\u6027\u7a7a\u95f4<\/li>\n\n\n\n<li>\u7279\u5f81\u5411\u91cf\uff08feature vector\uff09: 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\u6240\u6709\u6807\u8bb0\u7684\u96c6\u5408<\/li>\n\n\n\n<li>\u5206\u7c7b\uff08classification\uff09: \u9884\u6d4b\u662f\u79bb\u6563\u503c\uff0c\u6bd4\u5982\u628a\u4eba\u5206\u4e3a\u597d\u4eba\u548c\u574f\u4eba\u4e4b\u7c7b\u7684\u5b66\u4e60\u4efb\u52a1<\/li>\n\n\n\n<li>\u56de\u5f52\uff08regression\uff09: \u9884\u6d4b\u503c\u662f\u8fde\u7eed\u503c\uff0c\u6bd4\u5982\u4f60\u7684\u597d\u4eba\u7a0b\u5ea6\u8fbe\u5230\u4e860.9\uff0c0.6\u4e4b\u7c7b\u7684<\/li>\n\n\n\n<li>\u4e8c\u5206\u7c7b\uff08binary classification\uff09: \u53ea\u6d89\u53ca\u4e24\u4e2a\u7c7b\u522b\u7684\u5206\u7c7b\u4efb\u52a1<\/li>\n\n\n\n<li>\u6b63\u7c7b\uff08positive class\uff09: \u4e8c\u5206\u7c7b\u91cc\u7684\u4e00\u4e2a<\/li>\n\n\n\n<li>\u53cd\u7c7b\uff08negative class\uff09: \u4e8c\u5206\u7c7b\u91cc\u7684\u53e6\u5916\u4e00\u4e2a<\/li>\n\n\n\n<li>\u591a\u5206\u7c7b\uff08multi-class classification\uff09: \u6d89\u53ca\u591a\u4e2a\u7c7b\u522b\u7684\u5206\u7c7b<\/li>\n\n\n\n<li>\u6d4b\u8bd5\uff08testing\uff09: 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