{"id":2112,"date":"2024-07-17T16:42:49","date_gmt":"2024-07-17T08:42:49","guid":{"rendered":"http:\/\/zhang.mba\/?p=2112"},"modified":"2024-07-17T16:46:04","modified_gmt":"2024-07-17T08:46:04","slug":"zui-qiang-zong-jie-ji-qi-xue-xitop16suan-fa-mo-xin","status":"publish","type":"post","link":"https:\/\/zhang.mba\/index.php\/2024\/07\/17\/16\/42\/49\/2112\/zui-qiang-zong-jie-ji-qi-xue-xitop16suan-fa-mo-xin\/python\/zhangzhiqi\/","title":{"rendered":"\u6700\u5f3a\u603b\u7ed3\uff01\u673a\u5668\u5b66\u4e60Top16\u7b97\u6cd5\u6a21\u578b\uff01\uff01"},"content":{"rendered":"<p><strong>\u4eca\u5929\u6d89\u53ca\u5230\u768416\u79cd\u7b97\u6cd5\u6709\uff1a<\/strong><\/p>\n<ul>\n<li>\n<p>\u7ebf\u6027\u56de\u5f52<\/p>\n<\/li>\n<li>\n<p>\u903b\u8f91\u56de\u5f52<\/p>\n<\/li>\n<li>\n<p>\u51b3\u7b56\u6811<\/p>\n<\/li>\n<li>\n<p>\u968f\u673a\u68ee\u6797<\/p>\n<\/li>\n<li>\n<p>\u652f\u6301\u5411\u91cf\u673a<\/p>\n<\/li>\n<li>\n<p>K-\u8fd1\u90bb<\/p>\n<\/li>\n<li>\n<p>\u795e\u7ecf\u7f51\u7edc<\/p>\n<\/li>\n<li>\n<p>\u4e3b\u6210\u5206\u5206\u6790<\/p>\n<\/li>\n<li>\n<p>\u6734\u7d20\u8d1d\u53f6\u65af<\/p>\n<\/li>\n<li>\n<p>AdaBoost<\/p>\n<\/li>\n<li>\n<p>\u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b<\/p>\n<\/li>\n<li>\n<p>\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc<\/p>\n<\/li>\n<li>\n<p>\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/p>\n<\/li>\n<li>\n<p>t-SNE<\/p>\n<\/li>\n<li>\n<p>\u751f\u6210\u5bf9\u6297\u7f51\u7edc<\/p>\n<\/li>\n<li>\n<p>\u5f3a\u5316\u5b66\u4e60<\/p>\n<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo6rV07y3WHhdnLMoQmPmNmEviaVW5xRpTGAE1KgxDJGVZr3OXIl870DA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo6rV07y3WHhdnLMoQmPmNmEviaVW5xRpTGAE1KgxDJGVZr3OXIl870DA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" 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href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmouFSibP72o8F55eaSWXxCibLeIqfZ6MTKNiaS9rwpx6m2TwDv7YviapjGtg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmouFSibP72o8F55eaSWXxCibLeIqfZ6MTKNiaS9rwpx6m2TwDv7YviapjGtg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<p>\u7ebf\u6027\u56de\u5f52\u7684\u6838\u5fc3\u539f\u7406\u662f\u627e\u51fa\u4e00\u7ec4\u6743\u91cd\uff08\u7cfb\u6570\uff09\uff0c\u4f7f\u5f97\u8fd9\u4e9b\u6743\u91cd\u4e0e\u7279\u5f81\u7684\u7ebf\u6027\u7ec4\u5408\u5c3d\u53ef\u80fd\u63a5\u8fd1\u76ee\u6807\u503c\u3002\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u901a\u8fc7\u6700\u5c0f\u5316\u9884\u6d4b\u503c\u4e0e\u5b9e\u9645\u503c\u4e4b\u95f4\u7684<strong>\u5dee\u5f02<\/strong>\uff08\u901a\u5e38\u662f\u8bef\u5dee\u5e73\u65b9\u548c\uff09\u6765\u786e\u5b9a\u8fd9\u4e9b\u6743\u91cd\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ol>\n<li>\n<p><strong>\u7b80\u5355\u7ebf\u6027\u56de\u5f52\uff08\u5355\u4e2a\u7279\u5f81\uff09<\/strong>:<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u662f\u76ee\u6807\u53d8\u91cf\uff0c\u00a0\u662f\u7279\u5f81\uff0c\u00a0\u662f\u622a\u8ddd\uff0c\u00a0\u662f\u659c\u7387\uff0c\u00a0\u662f\u8bef\u5dee\u9879\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u5143\u7ebf\u6027\u56de\u5f52\uff08\u591a\u4e2a\u7279\u5f81\uff09<\/strong>:<\/p>\n<p>\u5728\u8fd9\u4e2a\u516c\u5f0f\u4e2d\uff0c\u00a0\u662f\u7279\u5f81\uff0c\u800c\u00a0\u00a0\u662f\u8fd9\u4e9b\u7279\u5f81\u7684\u7cfb\u6570\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u7b80\u5355\u548c\u76f4\u89c2<\/strong>\uff1a\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u6613\u4e8e\u7406\u89e3\u548c\u5b9e\u73b0\uff0c\u9002\u5408\u4f5c\u4e3a\u673a\u5668\u5b66\u4e60\u5165\u95e8\u7684\u5b66\u4e60\u5de5\u5177\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u89e3\u91ca\u6027<\/strong>\uff1a\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u7684\u7ed3\u679c\u5bb9\u6613\u89e3\u91ca\uff0c\u53ef\u4ee5\u6e05\u695a\u5730\u663e\u793a\u7279\u5f81\u5982\u4f55\u5f71\u54cd\u9884\u6d4b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u7840\u6027<\/strong>\uff1a\u4f5c\u4e3a\u673a\u5668\u5b66\u4e60\u4e2d\u7684\u57fa\u7840\u6a21\u578b\uff0c\u5b83\u662f\u7406\u89e3\u66f4\u590d\u6742\u6a21\u578b\u7684\u57fa\u77f3\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ba1\u7b97\u6548\u7387<\/strong>\uff1a\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u76f8\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u6a21\u578b\u6765\u8bf4\uff0c\u8ba1\u7b97\u6548\u7387\u9ad8\uff0c\u6613\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u5904\u7406\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a 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octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u9884\u6d4b\u95ee\u9898<\/strong>\uff1a\u5728\u7279\u5f81\u4e0e\u76ee\u6807\u53d8\u91cf\u4e4b\u95f4\u6709\u660e\u663e\u7ebf\u6027\u5173\u7cfb\u7684\u60c5\u51b5\u4e0b\uff0c\u7ebf\u6027\u56de\u5f52\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u9884\u6d4b\u5de5\u5177\u3002\u4f8b\u5982\uff0c\u623f\u4ef7\u9884\u6d4b\u3001\u80a1\u7968\u4ef7\u683c\u9884\u6d4b\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56e0\u679c\u5173\u7cfb\u5206\u6790<\/strong>\uff1a\u7ebf\u6027\u56de\u5f52\u53ef\u7528\u4e8e\u5206\u6790\u4e0d\u540c\u7279\u5f81\u5bf9\u76ee\u6807\u53d8\u91cf\u7684\u5f71\u54cd\uff0c\u4f8b\u5982\u5728\u7ecf\u6d4e\u5b66\u3001\u793e\u4f1a\u79d1\u5b66\u4e2d\u5206\u6790\u4e0d\u540c\u56e0\u7d20\u5bf9\u7ed3\u679c\u7684\u5f71\u54cd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65f6\u95f4\u5e8f\u5217\u5206\u6790<\/strong>\uff1a\u867d\u7136\u6709\u4e13\u95e8\u7684\u65f6\u95f4\u5e8f\u5217\u6a21\u578b\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u7ebf\u6027\u56de\u5f52\u4e5f\u53ef\u7528\u4e8e\u5206\u6790\u65f6\u95f4\u5e8f\u5217\u6570\u636e\uff0c\u5c24\u5176\u662f\u5f53\u6570\u636e\u8868\u73b0\u51fa\u7ebf\u6027\u8d8b\u52bf\u65f6\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u7ebf\u6027\u56de\u5f52\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\u90fd\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u5728\u5904\u7406\u975e\u7ebf\u6027\u5173\u7cfb\u3001\u9ad8\u5ea6\u590d\u6742\u7684\u6570\u636e\u96c6\u6216\u6709\u5927\u91cf\u566a\u58f0\u7684\u6570\u636e\u65f6\u7684\u8868\u73b0\u53ef\u80fd\u5c31\u4e0d\u90a3\u4e48\u7406\u60f3\u3002\u56e0\u6b64\uff0c\u5728\u9009\u62e9\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u4e4b\u524d\uff0c\u4e86\u89e3\u6570\u636e\u7684\u6027\u8d28\u548c\u9700\u6c42\u662f\u975e\u5e38\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<h2><a id=\"2%E9%80%BB%E8%BE%91%E5%9B%9E%E5%BD%92\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>2.\u903b\u8f91\u56de\u5f52<\/h2>\n<p>\u903b\u8f91\u56de\u5f52\u6700\u5927\u7684\u7279\u70b9\u662f\uff0c\u7279\u522b\u9002\u7528\u4e8e\u4e8c\u5206\u7c7b\u95ee\u9898\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmohD3icYCQkuuv5yJsk4JlB1icg3u2uOUrCtxibULQhl6B5rGXJiakVMiaLTA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmohD3icYCQkuuv5yJsk4JlB1icg3u2uOUrCtxibULQhl6B5rGXJiakVMiaLTA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<p>\u903b\u8f91\u56de\u5f52\u7684\u6838\u5fc3\u539f\u7406\u662f\u5229\u7528\u903b\u8f91\u51fd\u6570\uff08\u901a\u5e38\u662fSigmoid\u51fd\u6570\uff09\u5c06\u7ebf\u6027\u56de\u5f52\u6a21\u578b\u7684\u8f93\u51fa\u6620\u5c04\u52300\u548c1\u4e4b\u95f4\u3002<\/p>\n<p>\u8fd9\u6837\u7684\u6620\u5c04\u4f7f\u5f97\u903b\u8f91\u56de\u5f52\u53ef\u4ee5\u7528\u4e8e\u4f30\u8ba1\u4e00\u4e2a\u4e8b\u4ef6\u53d1\u751f\u7684\u6982\u7387\uff0c\u5e76\u636e\u6b64\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u903b\u8f91\u51fd\u6570\uff08Sigmoid\u51fd\u6570\uff09<\/strong>:<\/p>\n<p>\u5176\u4e2d\u00a0\u00a0\u901a\u5e38\u662f\u4e00\u4e2a\u7ebf\u6027\u51fd\u6570\uff0c\u6bd4\u5982\u00a0\uff0c\u8fd9\u91cc\u00a0\u00a0\u662f\u6a21\u578b\u7684\u53c2\u6570\uff0c\u800c\u00a0\u00a0\u662f\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u903b\u8f91\u56de\u5f52\u6a21\u578b<\/strong>:<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u8868\u793a\u5728\u7ed9\u5b9a\u7279\u5f81\u00a0\u00a0\u7684\u60c5\u51b5\u4e0b\uff0c\u76ee\u6807\u53d8\u91cf\u00a0\u00a0\u4e3a1\u7684\u6982\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u6982\u7387\u89e3\u91ca<\/strong>\uff1a\u903b\u8f91\u56de\u5f52\u4e0d\u4ec5\u63d0\u4f9b\u5206\u7c7b\u7ed3\u679c\uff0c\u8fd8\u80fd\u7ed9\u51fa\u5c5e\u4e8e\u67d0\u4e2a\u7c7b\u522b\u7684\u6982\u7387\uff0c\u8fd9\u5728\u8bb8\u591a\u5e94\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6548\u7387<\/strong>\uff1a\u903b\u8f91\u56de\u5f52\u901a\u5e38\u8ba1\u7b97\u6548\u7387\u9ad8\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u91cf\u8f83\u5927\u65f6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u89e3\u91ca\u6027<\/strong>\uff1a\u4e0e\u67d0\u4e9b\u590d\u6742\u7684\u673a\u5668\u5b66\u4e60\u6a21\u578b\u76f8\u6bd4\uff0c\u903b\u8f91\u56de\u5f52\u7684\u7ed3\u679c\u66f4\u5bb9\u6613\u89e3\u91ca\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5e7f\u6cdb\u7684\u5e94\u7528<\/strong>\uff1a\u903b\u8f91\u56de\u5f52\u53ef\u4ee5\u6269\u5c55\u5230\u591a\u5206\u7c7b\u95ee\u9898\uff0c\u5e76\u4e14\u5728\u8bb8\u591a\u4e0d\u540c\u9886\u57df\u90fd\u6709\u5e94\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u4e8c\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u5982\u5783\u573e\u90ae\u4ef6\u68c0\u6d4b\u3001\u75be\u75c5\u8bca\u65ad\u3001\u4fe1\u8d37\u7533\u8bf7\u6279\u51c6\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6982\u7387\u4f30\u8ba1<\/strong>\uff1a\u5728\u9700\u8981\u4f30\u8ba1\u67d0\u4e2a\u4e8b\u4ef6\u53d1\u751f\u6982\u7387\u7684\u573a\u666f\u4e2d\uff0c\u903b\u8f91\u56de\u5f52\u975e\u5e38\u9002\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u4e8e\u7279\u5f81\u7684\u5206\u7c7b<\/strong>\uff1a\u5728\u7279\u5f81\u4e0e\u5206\u7c7b\u7ed3\u679c\u4e4b\u95f4\u5b58\u5728\u7ebf\u6027\u5173\u7cfb\u65f6\uff0c\u903b\u8f91\u56de\u5f52\u8868\u73b0\u826f\u597d\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u903b\u8f91\u56de\u5f52\u5728\u4e0a\u8ff0\u95ee\u9898\u4e2d\u8868\u73b0\u4f18\u79c0\uff0c\u4f46\u5b83\u5728\u5904\u7406\u975e\u7ebf\u6027\u5173\u7cfb\u3001\u7279\u5f81\u95f4\u590d\u6742\u76f8\u4e92\u4f5c\u7528\u6216\u975e\u5e38\u9ad8\u7ef4\u6570\u636e\u65f6\u7684\u6548\u679c\u53ef\u80fd\u4e0d\u4f73\u3002\u5728\u8fd9\u4e9b\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u8003\u8651\u66f4\u590d\u6742\u7684\u6a21\u578b\uff0c\u5982\u968f\u673a\u68ee\u6797\u3001\u652f\u6301\u5411\u91cf\u673a\u6216\u795e\u7ecf\u7f51\u7edc\u3002<\/p>\n<h2><a id=\"3%E5%86%B3%E7%AD%96%E6%A0%91\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>3.\u51b3\u7b56\u6811<\/h2>\n<p>\u51b3\u7b56\u6811\u7528\u4e8e\u5206\u7c7b\u548c\u56de\u5f52\u4efb\u52a1\u3002\u5b83\u901a\u8fc7\u5b66\u4e60\u4ece\u6570\u636e\u7279\u5f81\u5230\u8f93\u51fa\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u5f62\u6210\u4e00\u7cfb\u5217\u89c4\u5219\uff0c\u8fd9\u4e9b\u89c4\u5219\u7ec4\u5408\u8d77\u6765\u5c31\u50cf\u4e00\u68f5\u6811\u4e00\u6837\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo7Ikpia19ul51pibs6OzOVWsiaB9FSZMpnV8ztaGqV7dsdaeq3WWnibqTug\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo7Ikpia19ul51pibs6OzOVWsiaB9FSZMpnV8ztaGqV7dsdaeq3WWnibqTug\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<p>\u51b3\u7b56\u6811\u7684\u6838\u5fc3\u539f\u7406\u662f\u5c06\u590d\u6742\u7684\u51b3\u7b56\u8fc7\u7a0b\u5206\u89e3\u4e3a\u4e00\u7cfb\u5217\u66f4\u7b80\u5355\u7684\u51b3\u7b56\uff0c\u4ece\u800c\u5f62\u6210\u4e00\u4e2a\u6811\u72b6\u7ed3\u6784\u3002\u5728\u6784\u5efa\u51b3\u7b56\u6811\u65f6\uff0c\u7b97\u6cd5\u4f1a\u9009\u62e9\u6700\u4f18\u7279\u5f81\u8fdb\u884c\u5206\u88c2\uff0c\u4ee5\u4fbf\u5728\u6bcf\u4e2a\u8282\u70b9\u4e0a\u6e05\u6670\u5730\u5212\u5206\u6570\u636e\u96c6\u3002\u8fd9\u4e00\u8fc7\u7a0b\u91cd\u590d\u8fdb\u884c\uff0c\u76f4\u5230\u8fbe\u5230\u67d0\u4e2a\u505c\u6b62\u6761\u4ef6\uff08\u5982\u6811\u7684\u6700\u5927\u6df1\u5ea6\u6216\u8282\u70b9\u4e2d\u7684\u6700\u5c0f\u6837\u672c\u6570\uff09\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E7%82%B9\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u70b9<\/h3>\n<p>\u51b3\u7b56\u6811\u7684\u6838\u5fc3\u70b9\u6709<strong>\u4fe1\u606f\u589e\u76ca<\/strong>\u548c<strong>\u57fa\u5c3c\u4e0d\u7eaf\u5ea6<\/strong>\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u4fe1\u606f\u589e\u76ca<\/strong>\uff1a\u5728ID3\u3001C4.5\u7b49\u51b3\u7b56\u6811\u7b97\u6cd5\u4e2d\u4f7f\u7528\uff0c\u4fe1\u606f\u589e\u76ca\u57fa\u4e8e\u71b5\u7684\u6982\u5ff5\u3002<\/p>\n<p>\u4fe1\u606f\u589e\u76ca\u71b5\u7236\u8282\u70b9\u5b50\u8282\u70b9\u7684\u71b5\u5b50\u8282\u70b9\u7684\u6743\u91cd<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u5c3c\u4e0d\u7eaf\u5ea6<\/strong>\uff1a\u5728CART\uff08\u5206\u7c7b\u4e0e\u56de\u5f52\u6811\uff09\u7b97\u6cd5\u4e2d\u4f7f\u7528\u3002<\/p>\n<p>\u57fa\u5c3c\u4e0d\u7eaf\u5ea6\u6bcf\u4e2a\u7c7b\u522b\u7684\u6982\u7387<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u53ef\u89e3\u91ca\u6027\u5f3a<\/strong>\uff1a\u51b3\u7b56\u6811\u7684\u7ed3\u679c\u6613\u4e8e\u7406\u89e3\u548c\u89e3\u91ca\uff0c\u975e\u4e13\u4e1a\u4eba\u5458\u4e5f\u80fd\u7406\u89e3\u51b3\u7b56\u8def\u5f84\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u9700\u8981\u6570\u636e\u6807\u51c6\u5316<\/strong>\uff1a\u51b3\u7b56\u6811\u4e0d\u50cf\u67d0\u4e9b\u7b97\u6cd5\u90a3\u6837\u5bf9\u6570\u636e\u7684\u6807\u51c6\u5316\u6216\u5f52\u4e00\u5316\u6709\u4e25\u683c\u8981\u6c42\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u4ee5\u5904\u7406\u975e\u7ebf\u6027\u5173\u7cfb<\/strong>\uff1a\u51b3\u7b56\u6811\u80fd\u5f88\u597d\u5730\u5904\u7406\u6570\u636e\u4e4b\u95f4\u7684\u975e\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u4ee5\u5904\u7406\u6df7\u5408\u7c7b\u578b\u7684\u6570\u636e<\/strong>\uff1a\u51b3\u7b56\u6811\u80fd\u540c\u65f6\u5904\u7406\u6570\u503c\u578b\u548c\u7c7b\u522b\u578b\u7279\u5f81\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u51b3\u7b56\u6811\u5728\u5904\u7406\u4e8c\u5206\u7c7b\u6216\u591a\u5206\u7c7b\u95ee\u9898\u4e0a\u8868\u73b0\u826f\u597d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56de\u5f52\u95ee\u9898<\/strong>\uff1a\u51b3\u7b56\u6811\u4e5f\u53ef\u4ee5\u7528\u4e8e\u56de\u5f52\u4efb\u52a1\uff0c\u9884\u6d4b\u8fde\u7eed\u503c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u9009\u62e9<\/strong>\uff1a\u51b3\u7b56\u6811\u5728\u6784\u5efa\u8fc7\u7a0b\u4e2d\u4f1a\u9009\u62e9\u6700\u91cd\u8981\u7684\u7279\u5f81\uff0c\u56e0\u6b64\u53ef\u4ee5\u7528\u4e8e\u7279\u5f81\u9009\u62e9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u590d\u6742\u6570\u636e\u96c6<\/strong>\uff1a\u5bf9\u4e8e\u7279\u5f81\u4e4b\u95f4\u6709\u590d\u6742\u5173\u7cfb\u7684\u6570\u636e\u96c6\uff0c\u51b3\u7b56\u6811\u53ef\u4ee5\u6355\u6349\u8fd9\u4e9b\u5173\u7cfb\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u5c3d\u7ba1\u51b3\u7b56\u6811\u6709\u8bf8\u591a\u4f18\u70b9\uff0c\u4f46\u5b83\u4eec\u4e5f\u5bb9\u6613\u8fc7\u62df\u5408\uff0c\u7279\u522b\u662f\u5f53\u6811\u53d8\u5f97\u5f88\u6df1\u6216\u5f88\u590d\u6742\u65f6\u3002\u4e3a\u4e86\u9632\u6b62\u8fc7\u62df\u5408\uff0c\u901a\u5e38\u9700\u8981\u526a\u679d\u6216\u9650\u5236\u6811\u7684\u6df1\u5ea6\u3002\u6b64\u5916\uff0c\u968f\u673a\u68ee\u6797\u548c\u68af\u5ea6\u63d0\u5347\u6811\u7b49\u57fa\u4e8e\u51b3\u7b56\u6811\u7684\u96c6\u6210\u65b9\u6cd5\u53ef\u4ee5\u8fdb\u4e00\u6b65\u63d0\u9ad8\u6a21\u578b\u7684\u6027\u80fd\u548c\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n<h2><a id=\"4%E9%9A%8F%E6%9C%BA%E6%A3%AE%E6%9E%97\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>4. \u968f\u673a\u68ee\u6797<\/h2>\n<p>\u968f\u673a\u68ee\u6797\u5c5e\u4e8e\u96c6\u6210\u5b66\u4e60\u7684\u8303\u7574\u3002\u5b83\u901a\u8fc7\u7ec4\u5408\u591a\u4e2a\u51b3\u7b56\u6811\u6765\u63d0\u9ad8\u9884\u6d4b\u7684\u51c6\u786e\u6027\u548c\u7a33\u5b9a\u6027\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmopFfa4Xhxh5MPmaYmpEWkFiblRNmVxhsG1uia54ZtibqM7VR1tfEMYouNw\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmopFfa4Xhxh5MPmaYmpEWkFiblRNmVxhsG1uia54ZtibqM7VR1tfEMYouNw\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<p>\u968f\u673a\u68ee\u6797\u7684\u6838\u5fc3\u539f\u7406\u57fa\u4e8e\u4e24\u4e2a\u4e3b\u8981\u6982\u5ff5\uff1a<strong>\u96c6\u6210\u5b66\u4e60<\/strong>\u548c<strong>\u88c5\u888b\uff08Bagging\uff09<\/strong>\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u96c6\u6210\u5b66\u4e60<\/strong>\uff1a\u8fd9\u662f\u4e00\u79cd\u65b9\u6cd5\uff0c\u901a\u8fc7\u7ec4\u5408\u591a\u4e2a\u6a21\u578b\uff08\u5728\u968f\u673a\u68ee\u6797\u4e2d\u662f\u591a\u4e2a\u51b3\u7b56\u6811\uff09\u6765\u63d0\u9ad8\u6574\u4f53\u6a21\u578b\u7684\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u88c5\u888b\uff08Bagging\uff09<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u901a\u8fc7\u5bf9\u8bad\u7ec3\u6570\u636e\u8fdb\u884c\u968f\u673a\u62bd\u6837\uff08\u6709\u653e\u56de\uff09\u6765\u6784\u5efa\u591a\u4e2a\u51b3\u7b56\u6811\u3002\u6bcf\u4e2a\u51b3\u7b56\u6811\u90fd\u662f\u72ec\u7acb\u8bad\u7ec3\u7684\uff0c\u5e76\u4e14\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u6bcf\u4e2a\u6811\u90fd\u53ef\u80fd\u4f7f\u7528\u4e0d\u540c\u7684\u6570\u636e\u5b50\u96c6\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u9664\u6b64\u4e4b\u5916\uff0c\u968f\u673a\u68ee\u6797\u8fd8\u5f15\u5165\u4e86\u7279\u5f81\u7684\u968f\u673a\u9009\u62e9\u3002\u5728\u6bcf\u4e2a\u51b3\u7b56\u6811\u7684\u5206\u88c2\u8fc7\u7a0b\u4e2d\uff0c\u7b97\u6cd5\u968f\u673a\u9009\u62e9\u4e00\u90e8\u5206\u7279\u5f81\u4f5c\u4e3a\u5019\u9009\u5206\u88c2\u7279\u5f81\uff0c\u8fd9\u589e\u52a0\u4e86\u6a21\u578b\u7684\u591a\u6837\u6027\uff0c\u51cf\u5c11\u4e86\u8fc7\u62df\u5408\u7684\u98ce\u9669\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E7%82%B9\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u70b9<\/h3>\n<p>\u9884\u6d4b\u662f\u57fa\u4e8e\u6784\u6210\u68ee\u6797\u7684\u6240\u6709\u51b3\u7b56\u6811\u7684\u9884\u6d4b\u7ed3\u679c\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u5206\u7c7b\u4efb\u52a1<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u901a\u8fc7\u591a\u6570\u6295\u7968\u673a\u5236\u6765\u51b3\u5b9a\u6700\u7ec8\u7684\u5206\u7c7b\u3002\u5373\u6bcf\u4e2a\u51b3\u7b56\u6811\u7ed9\u51fa\u4e00\u4e2a\u9884\u6d4b\u7ed3\u679c\uff0c\u7136\u540e\u9009\u62e9\u51fa\u73b0\u6b21\u6570\u6700\u591a\u7684\u7c7b\u522b\u4f5c\u4e3a\u6700\u7ec8\u7ed3\u679c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56de\u5f52\u4efb\u52a1<\/strong>\uff1a\u5728\u56de\u5f52\u4efb\u52a1\u4e2d\uff0c\u968f\u673a\u68ee\u6797\u53d6\u6240\u6709\u51b3\u7b56\u6811\u9884\u6d4b\u503c\u7684\u5e73\u5747\u4f5c\u4e3a\u6700\u7ec8\u9884\u6d4b\u7ed3\u679c\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u51c6\u786e\u6027\u9ad8<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u901a\u5e38\u80fd\u63d0\u4f9b\u9ad8\u51c6\u786e\u7387\u7684\u9884\u6d4b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8fc7\u62df\u5408\u98ce\u9669\u4f4e<\/strong>\uff1a\u7531\u4e8e\u5f15\u5165\u4e86\u6811\u7684\u591a\u6837\u6027\uff0c\u968f\u673a\u68ee\u6797\u6bd4\u5355\u4e2a\u51b3\u7b56\u6811\u66f4\u4e0d\u5bb9\u6613\u8fc7\u62df\u5408\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u80fd\u5904\u7406\u5927\u91cf\u7279\u5f81<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u80fd\u6709\u6548\u5904\u7406\u5177\u6709\u5927\u91cf\u7279\u5f81\u7684\u6570\u636e\u96c6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u6027\u5e7f<\/strong>\uff1a\u9002\u7528\u4e8e\u5206\u7c7b\u548c\u56de\u5f52\u4efb\u52a1\uff0c\u4ee5\u53ca\u7279\u5f81\u9009\u62e9\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9c81\u68d2\u6027\u5f3a<\/strong>\uff1a\u5bf9\u4e8e\u7f3a\u5931\u6570\u636e\u548c\u975e\u5e73\u8861\u6570\u636e\u96c6\u8868\u73b0\u51fa\u8f83\u597d\u7684\u9c81\u68d2\u6027\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u5206\u7c7b\u548c\u56de\u5f52\u4efb\u52a1<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u5728\u5404\u79cd\u5206\u7c7b\u548c\u56de\u5f52\u4efb\u52a1\u4e2d\u90fd\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5927\u89c4\u6a21\u6570\u636e\u96c6<\/strong>\uff1a\u7531\u4e8e\u5176\u9ad8\u6548\u6027\uff0c\u968f\u673a\u68ee\u6797\u9002\u5408\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u9009\u62e9<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u53ef\u4ee5\u8bc6\u522b\u51fa\u91cd\u8981\u7279\u5f81\uff0c\u5bf9\u4e8e\u7279\u5f81\u9009\u62e9\u975e\u5e38\u6709\u6548\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u975e\u7ebf\u6027\u95ee\u9898<\/strong>\uff1a\u968f\u673a\u68ee\u6797\u80fd\u591f\u5904\u7406\u7279\u5f81\u4e4b\u95f4\u7684\u590d\u6742\u975e\u7ebf\u6027\u5173\u7cfb\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u968f\u673a\u68ee\u6797\u7684\u4e3b\u8981\u7f3a\u70b9\u662f\u6a21\u578b\u53ef\u80fd\u4f1a\u53d8\u5f97\u76f8\u5bf9\u590d\u6742\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6a21\u578b\u89e3\u91ca\u6027\u4e0d\u5982\u5355\u4e2a\u51b3\u7b56\u6811\u3002\u6b64\u5916\uff0c\u867d\u7136\u968f\u673a\u68ee\u6797\u7684\u8bad\u7ec3\u901f\u5ea6\u901a\u5e38\u5f88\u5feb\uff0c\u4f46\u5728\u5904\u7406\u6781\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\uff0c\u6240\u9700\u7684\u8ba1\u7b97\u8d44\u6e90\u53ef\u80fd\u4f1a\u589e\u52a0\u3002\u5c3d\u7ba1\u5982\u6b64\uff0c\u968f\u673a\u68ee\u6797\u4ecd\u662f\u673a\u5668\u5b66\u4e60\u4e2d\u975e\u5e38\u5f3a\u5927\u4e14\u53d7\u6b22\u8fce\u7684\u4e00\u79cd\u7b97\u6cd5\u3002<\/p>\n<h2><a id=\"5%E6%94%AF%E6%8C%81%E5%90%91%E9%87%8F%E6%9C%BA\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>5. \u652f\u6301\u5411\u91cf\u673a<\/h2>\n<p>\u652f\u6301\u5411\u91cf\u673a\uff08SVM\uff09\u4e3b\u8981\u7528\u4e8e\u5206\u7c7b\u95ee\u9898\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u56de\u5f52\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoh14wVyibfEl3tiaO6j8ZjBLoN311Lb9kkTqNeGuok2IL5CkmANyJyOPg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoh14wVyibfEl3tiaO6j8ZjBLoN311Lb9kkTqNeGuok2IL5CkmANyJyOPg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<p>SVM\u4ee5\u5176\u4f18\u8d8a\u7684\u6027\u80fd\u548c\u5f3a\u5927\u7684\u7406\u8bba\u57fa\u7840\uff0c\u5728\u673a\u5668\u5b66\u4e60\u9886\u57df\u4e2d\u5360\u6709\u91cd\u8981\u5730\u4f4d\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u6700\u5927\u8fb9\u754c\u5206\u7c7b\u5668<\/strong>\uff1a\u5728\u4e8c\u5206\u7c7b\u95ee\u9898\u4e2d\uff0cSVM\u7684\u76ee\u6807\u662f\u627e\u5230\u4e00\u4e2a<strong>\u5206\u5272\u8d85\u5e73\u9762<\/strong>\uff0c\u4f7f\u5f97\u4e0d\u540c\u7c7b\u522b\u7684\u6570\u636e\u70b9\u4e4b\u95f4\u7684\u95f4\u9694\u6700\u5927\u5316\u3002\u8fd9\u4e2a\u8d85\u5e73\u9762\u88ab\u79f0\u4e3a\u6700\u4f18\u5206\u5272\u8d85\u5e73\u9762\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u652f\u6301\u5411\u91cf<\/strong>\uff1a\u4f4d\u4e8e\u8fb9\u754c\u4e0a\u7684\u6570\u636e\u70b9\u79f0\u4e3a\u652f\u6301\u5411\u91cf\u3002\u8fd9\u4e9b\u70b9\u662f\u6784\u5efa\u6700\u4f18\u5206\u5272\u8d85\u5e73\u9762\u7684\u5173\u952e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6838\u6280\u5de7<\/strong>\uff1a\u5f53\u6570\u636e\u4e0d\u662f\u7ebf\u6027\u53ef\u5206\u65f6\uff0cSVM\u4f7f\u7528\u6838\u6280\u5de7\u5c06\u6570\u636e\u6620\u5c04\u5230\u66f4\u9ad8\u7ef4\u7a7a\u95f4\uff0c\u5728\u8fd9\u4e2a\u7a7a\u95f4\u4e2d\u6570\u636e\u53ef\u80fd\u662f\u7ebf\u6027\u53ef\u5206\u7684\u3002\u5e38\u7528\u7684\u6838\u51fd\u6570\u5305\u62ec\u7ebf\u6027\u6838\u3001\u591a\u9879\u5f0f\u6838\u3001\u5f84\u5411\u57fa\u51fd\u6570\uff08RBF\uff09\u6838\u548cSigmoid\u6838\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<p>\u5bf9\u4e8e\u4e00\u4e2a\u7b80\u5355\u7684\u7ebf\u6027SVM\uff0c\u5176\u76ee\u6807\u662f\u6c42\u89e3\u4ee5\u4e0b\u4f18\u5316\u95ee\u9898\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u662f\u8d85\u5e73\u9762\u7684\u6cd5\u5411\u91cf\uff0c\u00a0\u662f\u504f\u7f6e\u9879\uff0c\u00a0\u662f\u7279\u5f81\u5411\u91cf\uff0c\u00a0\u662f\u7c7b\u6807\u7b7e\uff08\u901a\u5e38\u4e3a+1\u6216-1\uff09\u3002<\/p>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u6709\u6548\u6027<\/strong>\uff1a\u5728\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\uff0c\u7279\u522b\u662f\u5728\u7c7b\u522b\u95f4\u8fb9\u754c\u6e05\u6670\u65f6\uff0cSVM\u8868\u73b0\u975e\u5e38\u597d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6cdb\u5316\u80fd\u529b\u5f3a<\/strong>\uff1aSVM\u5c1d\u8bd5\u6700\u5927\u5316\u8fb9\u754c\uff0c\u56e0\u6b64\u901a\u5e38\u5177\u6709\u826f\u597d\u7684\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u6269\u5c55\u6027<\/strong>\uff1a\u901a\u8fc7\u9009\u62e9\u5408\u9002\u7684\u6838\u51fd\u6570\uff0cSVM\u53ef\u4ee5\u6709\u6548\u5904\u7406\u975e\u7ebf\u6027\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u5e94\u6027\u5f3a<\/strong>\uff1aSVM\u53ef\u4ee5\u7528\u4e8e\u89e3\u51b3\u5404\u79cd\u7c7b\u578b\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u4e8c\u5206\u7c7b\u95ee\u9898<\/strong>\uff1aSVM\u6700\u521d\u8bbe\u8ba1\u7528\u4e8e\u89e3\u51b3\u4e8c\u5206\u7c7b\u95ee\u9898\uff0c\u7279\u522b\u662f\u5728\u6570\u636e\u7ef4\u5ea6\u9ad8\u65f6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u975e\u7ebf\u6027\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u4f7f\u7528\u6838\u6280\u5de7\uff0cSVM\u80fd\u6709\u6548\u5904\u7406\u975e\u7ebf\u6027\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6587\u672c\u5206\u7c7b\u548c\u56fe\u50cf\u8bc6\u522b<\/strong>\uff1a\u5728\u5904\u7406\u9ad8\u7ef4\u6570\u636e\uff08\u5982\u6587\u672c\u548c\u56fe\u50cf\uff09\u65f6\uff0cSVM\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56de\u5f52\u95ee\u9898<\/strong>\uff1a\u867d\u7136SVM\u4e3b\u8981\u7528\u4e8e\u5206\u7c7b\uff0c\u4f46\u901a\u8fc7\u9002\u5f53\u7684\u4fee\u6539\uff0c\u5b83\u4e5f\u53ef\u4ee5\u7528\u4e8e\u56de\u5f52\uff08\u79f0\u4e3a\u652f\u6301\u5411\u91cf\u56de\u5f52\uff0cSVR\uff09\u3002<\/p>\n<\/li>\n<\/ol>\n<p>SVM\u7684\u4e00\u4e2a\u4e3b\u8981\u7f3a\u70b9\u662f\u5bf9\u5927\u89c4\u6a21\u6570\u636e\u96c6\u7684\u8ba1\u7b97\u6548\u7387\u8f83\u4f4e\uff0c\u56e0\u4e3a\u5176\u8bad\u7ec3\u8fc7\u7a0b\u9700\u8981\u8f83\u957f\u65f6\u95f4\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u9009\u62e9\u5408\u9002\u7684\u6838\u51fd\u6570\u548c\u53c2\u6570\uff08\u5982\u6b63\u5219\u5316\u53c2\u6570\u3001\u6838\u53c2\u6570\uff09\u5bf9\u4e8e\u83b7\u5f97\u826f\u597d\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\uff0c\u4f46\u8fd9\u5f80\u5f80\u9700\u8981\u4e13\u4e1a\u77e5\u8bc6\u548c\u5b9e\u9a8c\u8c03\u4f18\u3002<\/p>\n<h2><a id=\"6-knn\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>6. KNN<\/h2>\n<p>K\u8fd1\u90bb\uff08KNN\uff09\u7b97\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u800c\u5f3a\u5927\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u7528\u4e8e\u5206\u7c7b\u548c\u56de\u5f52\u95ee\u9898\u3002\u5b83\u7684\u6838\u5fc3\u601d\u60f3\u662f\u57fa\u4e8e\u8ddd\u79bb\u5ea6\u91cf\u5c06\u4e00\u4e2a\u6837\u672c\u5f52\u7c7b\u5230\u4e0e\u5176\u6700\u76f8\u4f3c\u7684K\u4e2a\u90bb\u5c45\u7684\u7c7b\u522b\u4e2d\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmouicrzEOnQfNTP5P3VMyJoGxej4qJfRNmVl2G7ba2ib3RxWXfQhEYGabQ\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmouicrzEOnQfNTP5P3VMyJoGxej4qJfRNmVl2G7ba2ib3RxWXfQhEYGabQ\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u57fa\u4e8e\u90bb\u8fd1\u6027\u7684\u5206\u7c7b\u6216\u56de\u5f52<\/strong>\uff1aKNN\u7b97\u6cd5\u7684\u6838\u5fc3\u662f\u627e\u51fa\u4e00\u4e2a\u6837\u672c\u70b9\u7684K\u4e2a\u6700\u8fd1\u90bb\u5c45\uff0c\u5e76\u57fa\u4e8e\u8fd9\u4e9b\u90bb\u5c45\u7684\u4fe1\u606f\u6765\u9884\u6d4b\u8be5\u6837\u672c\u7684\u7c7b\u522b\uff08\u5bf9\u4e8e\u5206\u7c7b\u95ee\u9898\uff09\u6216\u503c\uff08\u5bf9\u4e8e\u56de\u5f52\u95ee\u9898\uff09\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ddd\u79bb\u5ea6\u91cf<\/strong>\uff1aKNN\u7b97\u6cd5\u901a\u5e38\u4f7f\u7528\u6b27\u6c0f\u8ddd\u79bb\u3001\u66fc\u54c8\u987f\u8ddd\u79bb\u6216\u4f59\u5f26\u76f8\u4f3c\u5ea6\u7b49\u5ea6\u91cf\u6765\u8ba1\u7b97\u4e0d\u540c\u6837\u672c\u70b9\u4e4b\u95f4\u7684\u76f8\u4f3c\u5ea6\u6216\u8ddd\u79bb\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u6b27\u6c0f\u8ddd\u79bb<\/strong>\uff08\u6700\u5e38\u7528\u7684\u8ddd\u79bb\u5ea6\u91cf\uff09:<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u548c\u00a0\u00a0\u662f\u4e24\u4e2a\u6837\u672c\u70b9\uff0c\u00a0\u548c\u00a0\u00a0\u662f\u8fd9\u4e24\u4e2a\u6837\u672c\u5728\u7b2c\u4e2a\u7ef4\u5ea6\u7684\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u7b80\u5355\u76f4\u89c2<\/strong>\uff1aKNN\u7b97\u6cd5\u7b80\u5355\u6613\u61c2\uff0c\u5b9e\u73b0\u8d77\u6765\u4e5f\u76f8\u5bf9\u5bb9\u6613\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65e0\u9700\u8bad\u7ec3<\/strong>\uff1aKNN\u662f\u4e00\u79cd\u57fa\u4e8e\u5b9e\u4f8b\u7684\u5b66\u4e60\uff0c\u4e0d\u9700\u8981\u663e\u5f0f\u7684\u8bad\u7ec3\u8fc7\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u6027\u5e7f<\/strong>\uff1a\u53ef\u4ee5\u7528\u4e8e\u5206\u7c7b\u548c\u56de\u5f52\u95ee\u9898\uff0c\u4e5f\u9002\u7528\u4e8e\u591a\u7c7b\u522b\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u9002\u5e94<\/strong>\uff1a\u7531\u4e8eKNN\u4e0d\u4f9d\u8d56\u4e8e\u5047\u8bbe\uff0c\u56e0\u6b64\u5bf9\u4e8e\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u96c6\u901a\u5e38\u90fd\u6709\u6548\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u5c0f\u6570\u636e\u96c6\u7684\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u5728\u6570\u636e\u96c6\u4e0d\u662f\u7279\u522b\u5927\u7684\u60c5\u51b5\u4e0b\uff0cKNN\u5728\u5206\u7c7b\u95ee\u9898\u4e0a\u8868\u73b0\u826f\u597d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u57fa\u7840\u7684\u56de\u5f52\u95ee\u9898<\/strong>\uff1a\u5bf9\u4e8e\u57fa\u7840\u6c34\u5e73\u7684\u56de\u5f52\u95ee\u9898\uff0cKNN\u53ef\u4ee5\u63d0\u4f9b\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b9e\u65f6\u51b3\u7b56<\/strong>\uff1a\u7531\u4e8eKNN\u65e0\u9700\u8bad\u7ec3\uff0c\u56e0\u6b64\u9002\u5408\u9700\u8981\u5b9e\u65f6\u51b3\u7b56\u7684\u5e94\u7528\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u63a8\u8350\u7cfb\u7edf<\/strong>\uff1a\u5728\u63a8\u8350\u7cfb\u7edf\u4e2d\uff0cKNN\u53ef\u7528\u4e8e\u627e\u51fa\u76f8\u4f3c\u7528\u6237\u6216\u76f8\u4f3c\u7269\u54c1\uff0c\u4ee5\u63d0\u4f9b\u4e2a\u6027\u5316\u63a8\u8350\u3002<\/p>\n<\/li>\n<\/ol>\n<p>KNN\u7b97\u6cd5\u7684\u4e00\u4e2a\u4e3b\u8981\u7f3a\u70b9\u662f\u8ba1\u7b97\u6210\u672c\u9ad8\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u9009\u62e9\u5408\u9002\u7684 K \u503c\u548c\u8ddd\u79bb\u5ea6\u91cf\u5bf9\u4e8e\u7b97\u6cd5\u7684\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u6b64\u5916\uff0cKNN\u5bf9\u4e8e\u6570\u636e\u4e2d\u7684\u566a\u58f0\u548c\u4e0d\u76f8\u5173\u7279\u5f81\u6bd4\u8f83\u654f\u611f\u3002\u5c3d\u7ba1\u5b58\u5728\u8fd9\u4e9b\u5c40\u9650\u6027\uff0cKNN\u56e0\u5176\u7b80\u6d01\u548c\u6613\u4e8e\u5b9e\u73b0\uff0c\u5728\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\u4ecd\u7136\u53d7\u5230\u5927\u5bb6\u7684\u9752\u7750\u3002<\/p>\n<h2><a id=\"7%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>7. \u795e\u7ecf\u7f51\u7edc<\/h2>\n<p>\u795e\u7ecf\u7f51\u7edc\u53d7\u4eba\u8111\u7684\u7ed3\u6784\u548c\u529f\u80fd\u542f\u53d1\u800c\u8bbe\u8ba1\u3002\u795e\u7ecf\u7f51\u7edc\u7279\u522b\u9002\u5408\u5904\u7406\u590d\u6742\u7684\u6a21\u5f0f\u8bc6\u522b\u548c\u9884\u6d4b\u95ee\u9898\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoRj2Hl4N2LWy3KIf0KVmrJf2cVRR7F141gTdVyKuicywZJAfd94RftXQ\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoRj2Hl4N2LWy3KIf0KVmrJf2cVRR7F141gTdVyKuicywZJAfd94RftXQ\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u57fa\u4e8e\u795e\u7ecf\u5143\u7684\u7ed3\u6784<\/strong>\uff1a\u795e\u7ecf\u7f51\u7edc\u7531\u4e00\u7cfb\u5217\u7684\u795e\u7ecf\u5143\uff08\u6216\u8282\u70b9\uff09\u7ec4\u6210\uff0c\u8fd9\u4e9b\u795e\u7ecf\u5143\u5728\u7f51\u7edc\u7684\u4e0d\u540c\u5c42\u4e2d\u6392\u5217\u3002\u6700\u5e38\u89c1\u7684\u7ed3\u6784\u5305\u62ec\u8f93\u5165\u5c42\u3001\u9690\u85cf\u5c42\u548c\u8f93\u51fa\u5c42\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6743\u91cd\u548c\u6fc0\u6d3b\u51fd\u6570<\/strong>\uff1a\u6bcf\u4e2a\u795e\u7ecf\u5143\u63a5\u6536\u6765\u81ea\u524d\u4e00\u5c42\u795e\u7ecf\u5143\u7684\u8f93\u5165\uff0c\u8fd9\u4e9b\u8f93\u5165\u901a\u8fc7\u6743\u91cd\u52a0\u6743\uff0c\u5e76\u4e14\u901a\u5e38\u901a\u8fc7\u4e00\u4e2a\u975e\u7ebf\u6027\u6fc0\u6d3b\u51fd\u6570\u5904\u7406\uff0c\u4ee5\u4ea7\u751f\u795e\u7ecf\u5143\u7684\u8f93\u51fa\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b66\u4e60\u8fc7\u7a0b<\/strong>\uff1a\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u795e\u7ecf\u7f51\u7edc\u901a\u8fc7\u8c03\u6574\u6743\u91cd\u6765\u5b66\u4e60\uff0c\u8fd9\u901a\u5e38\u901a\u8fc7\u53cd\u5411\u4f20\u64ad\u7b97\u6cd5\u548c\u68af\u5ea6\u4e0b\u964d\u65b9\u6cd5\u5b8c\u6210\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u795e\u7ecf\u5143\u8f93\u51fa<\/strong>\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u662f\u795e\u7ecf\u5143\u7684\u8f93\u51fa\uff0c\u00a0\u662f\u6fc0\u6d3b\u51fd\u6570\uff0c\u00a0\u662f\u6743\u91cd\uff0c\u00a0\u662f\u8f93\u5165\uff0c\u00a0\u662f\u504f\u7f6e\u9879\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53cd\u5411\u4f20\u64ad\u548c\u68af\u5ea6\u4e0b\u964d<\/strong>\uff1a\u5728\u53cd\u5411\u4f20\u64ad\u8fc7\u7a0b\u4e2d\uff0c\u8f93\u51fa\u5c42\u7684\u8bef\u5dee\u88ab\u7528\u6765\u8ba1\u7b97\u6bcf\u5c42\u6743\u91cd\u7684\u68af\u5ea6\uff0c\u7136\u540e\u901a\u8fc7\u68af\u5ea6\u4e0b\u964d\u65b9\u6cd5\u66f4\u65b0\u6743\u91cd\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u9002\u5e94\u6027\u5f3a<\/strong>\uff1a\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u9002\u5e94\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5e76\u4e14\u80fd\u591f\u5b66\u4e60\u6570\u636e\u4e2d\u7684\u590d\u6742\u6a21\u5f0f\u548c\u5173\u7cfb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f3a\u5927\u7684\u8868\u793a\u80fd\u529b<\/strong>\uff1a\u6df1\u5c42\u795e\u7ecf\u7f51\u7edc\u7279\u522b\u64c5\u957f\u63d0\u53d6\u9ad8\u7ea7\u7279\u5f81\u548c\u8868\u793a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6cdb\u5316\u80fd\u529b<\/strong>\uff1a\u7ecf\u8fc7\u9002\u5f53\u8bad\u7ec3\u7684\u795e\u7ecf\u7f51\u7edc\u5728\u672a\u89c1\u6570\u636e\u4e0a\u901a\u5e38\u5177\u6709\u826f\u597d\u7684\u6cdb\u5316\u80fd\u529b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u529f\u80fd\u6027<\/strong>\uff1a\u795e\u7ecf\u7f51\u7edc\u53ef\u4ee5\u7528\u4e8e\u5206\u7c7b\u3001\u56de\u5f52\u3001\u805a\u7c7b\u3001\u751f\u6210\u7b49\u591a\u79cd\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u56fe\u50cf\u548c\u89c6\u89c9\u8bc6\u522b\u4efb\u52a1<\/strong>\uff1a\u5982\u56fe\u50cf\u5206\u7c7b\u3001\u7269\u4f53\u68c0\u6d4b\u548c\u56fe\u50cf\u751f\u6210\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u7136\u8bed\u8a00\u5904\u7406<\/strong>\uff1a\u5982\u673a\u5668\u7ffb\u8bd1\u3001\u60c5\u611f\u5206\u6790\u548c\u6587\u672c\u751f\u6210\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u590d\u6742\u7684\u9884\u6d4b\u95ee\u9898<\/strong>\uff1a\u5728\u91d1\u878d\u3001\u5929\u6c14\u9884\u6d4b\u548c\u533b\u7597\u8bca\u65ad\u7b49\u9886\u57df\u4e2d\u7684\u590d\u6742\u9884\u6d4b\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f3a\u5316\u5b66\u4e60<\/strong>\uff1a\u5728\u6e38\u620f\u3001\u673a\u5668\u4eba\u5bfc\u822a\u548c\u81ea\u52a8\u9a7e\u9a76\u7b49\u9886\u57df\u7684\u5e94\u7528\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u795e\u7ecf\u7f51\u7edc\u7684\u4e3b\u8981\u6311\u6218\u5305\u62ec\u5bf9\u5927\u91cf\u6570\u636e\u7684\u9700\u6c42\u3001\u8ba1\u7b97\u6210\u672c\u9ad8\u3001\u6a21\u578b\u89e3\u91ca\u6027\u5dee\u4ee5\u53ca\u8fc7\u62df\u5408\u7684\u98ce\u9669\u3002\u4e3a\u4e86\u514b\u670d\u8fd9\u4e9b\u6311\u6218\uff0c\u7814\u7a76\u8005\u548c\u5b9e\u8df5\u8005\u4f1a\u91c7\u7528\u5404\u79cd\u6280\u672f\uff0c\u5982\u6570\u636e\u589e\u5f3a\u3001\u6b63\u5219\u5316\u548c\u6df1\u5ea6\u5b66\u4e60\u67b6\u6784\u7684\u521b\u65b0\u3002\u5c3d\u7ba1\u5b58\u5728\u4e00\u4e9b\u5b9e\u9645\u7684\u6311\u6218\uff0c\u795e\u7ecf\u7f51\u7edc\u7531\u4e8e\u5176\u5f3a\u5927\u7684\u6027\u80fd\u548c\u7075\u6d3b\u6027\uff0c\u5728\u8bb8\u591a\u590d\u6742\u7684\u673a\u5668\u5b66\u4e60\u5e94\u7528\u4e2d\u4ecd\u7136\u975e\u5e38\u53d7\u5927\u5bb6\u6b22\u8fce\u3002<\/p>\n<h2><a id=\"8%E4%B8%BB%E6%88%90%E5%88%86%E5%88%86%E6%9E%90\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>8.\u4e3b\u6210\u5206\u5206\u6790<\/h2>\n<p>\u4e3b\u6210\u5206\u5206\u6790\uff08PCA\uff09\u662f\u4e00\u79cd\u7edf\u8ba1\u65b9\u6cd5\uff0c\u7528\u4e8e\u901a\u8fc7\u964d\u7ef4\u6765\u7b80\u5316\u6570\u636e\u96c6\u3002\u5b83\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u3001\u6570\u636e\u5206\u6790\u548c\u4fe1\u53f7\u5904\u7406\u9886\u57df\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoYBgdy1aguZTBe3C3MNhpIJM65ibQa60jUpnfAMKCZdHln8qJd1OaH9g\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoYBgdy1aguZTBe3C3MNhpIJM65ibQa60jUpnfAMKCZdHln8qJd1OaH9g\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u964d\u7ef4<\/strong>\uff1aPCA\u7684\u76ee\u6807\u662f\u51cf\u5c11\u6570\u636e\u96c6\u7684\u7ef4\u5ea6\uff0c\u540c\u65f6\u4fdd\u7559\u5c3d\u53ef\u80fd\u591a\u7684\u539f\u59cb\u6570\u636e\u7684\u53d8\u5f02\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5bfb\u627e\u4e3b\u6210\u5206<\/strong>\uff1aPCA\u901a\u8fc7\u5bfb\u627e\u6570\u636e\u4e2d\u7684\u4e3b\u8981\u65b9\u5411\uff08\u4e3b\u6210\u5206\uff09\u6765\u5b9e\u73b0\u964d\u7ef4\u3002\u8fd9\u4e9b\u4e3b\u6210\u5206\u662f\u6570\u636e\u96c6\u65b9\u5dee\u6700\u5927\u7684\u65b9\u5411\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u4ea4\u53d8\u6362<\/strong>\uff1aPCA\u4f7f\u7528\u6b63\u4ea4\u53d8\u6362\u5c06\u539f\u59cb\u6570\u636e\u8f6c\u6362\u5230\u65b0\u7684\u5750\u6807\u7cfb\uff0c\u65b0\u5750\u6807\u7cfb\u7684\u539f\u70b9\u662f\u539f\u59cb\u6570\u636e\u7684\u5747\u503c\uff0c\u6bcf\u4e2a\u8f74\u90fd\u5bf9\u5e94\u4e00\u4e2a\u4e3b\u6210\u5206\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u534f\u65b9\u5dee\u77e9\u9635\u8ba1\u7b97<\/strong>\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u00a0\u662f\u6570\u636e\u70b9\uff0c\u00a0\u662f\u5747\u503c\u5411\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf<\/strong>\uff1a<\/p>\n<p>PCA\u6d89\u53ca\u8ba1\u7b97\u534f\u65b9\u5dee\u77e9\u9635\u7684\u7279\u5f81\u503c\u548c\u7279\u5f81\u5411\u91cf\u3002\u7279\u5f81\u5411\u91cf\u51b3\u5b9a\u4e86\u4e3b\u6210\u5206\u7684\u65b9\u5411\uff0c\u800c\u7279\u5f81\u503c\u51b3\u5b9a\u4e86\u4e3b\u6210\u5206\u7684\u5927\u5c0f\uff0c\u5373\u5728\u8be5\u65b9\u5411\u4e0a\u6570\u636e\u7684\u65b9\u5dee\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u964d\u566a<\/strong>\uff1aPCA\u53ef\u4ee5\u5e2e\u52a9\u53bb\u9664\u6570\u636e\u4e2d\u7684\u566a\u58f0\uff0c\u4fdd\u7559\u6700\u91cd\u8981\u7684\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53ef\u89c6\u5316<\/strong>\uff1a\u901a\u8fc7\u5c06\u9ad8\u7ef4\u6570\u636e\u964d\u81f32\u62163\u7ef4\uff0cPCA\u6709\u52a9\u4e8e\u6570\u636e\u7684\u53ef\u89c6\u5316\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53bb\u76f8\u5173\u6027<\/strong>\uff1aPCA\u901a\u8fc7\u6b63\u4ea4\u53d8\u6362\u6d88\u9664\u6570\u636e\u7279\u5f81\u95f4\u7684\u76f8\u5173\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u63d0\u9ad8\u7b97\u6cd5\u6548\u7387<\/strong>\uff1a\u964d\u7ef4\u540e\u7684\u6570\u636e\u53ef\u4ee5\u63d0\u9ad8\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u7684\u8ba1\u7b97\u6548\u7387\u548c\u51cf\u5c11\u8d44\u6e90\u6d88\u8017\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u9884\u5904\u7406\u6b65\u9aa4<\/strong>\uff1a\u5728\u66f4\u590d\u6742\u7684\u673a\u5668\u5b66\u4e60\u4efb\u52a1\u4e4b\u524d\uff0c\u4f5c\u4e3a\u9884\u5904\u7406\u6b65\u9aa4\uff0c\u4f8b\u5982\u5728\u9ad8\u7ef4\u6570\u636e\u4e0a\u5e94\u7528\u5206\u7c7b\u6216\u56de\u5f52\u7b97\u6cd5\u4e4b\u524d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u53ef\u89c6\u5316<\/strong>\uff1a\u5e2e\u52a9\u7406\u89e3\u9ad8\u7ef4\u6570\u636e\u7684\u5185\u5728\u7ed3\u6784\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u63d0\u53d6<\/strong>\uff1a\u5728\u6a21\u5f0f\u8bc6\u522b\u548c\u4fe1\u53f7\u5904\u7406\u4e2d\uff0c\u63d0\u53d6\u6709\u7528\u7684\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u964d\u566a<\/strong>\uff1a\u53bb\u9664\u6570\u636e\u4e2d\u7684\u566a\u58f0\u90e8\u5206\uff0c\u63d0\u53d6\u4e3b\u8981\u4fe1\u53f7\u3002<\/p>\n<\/li>\n<\/ol>\n<p>PCA\u7684\u4e3b\u8981\u5c40\u9650\u6027\u662f\u5b83\u4f9d\u8d56\u4e8e\u7ebf\u6027\u5047\u8bbe\uff0c\u5bf9\u4e8e\u975e\u7ebf\u6027\u6570\u636e\u7ed3\u6784\u53ef\u80fd\u4e0d\u591f\u6709\u6548\u3002\u6b64\u5916\uff0cPCA\u5bf9\u5f02\u5e38\u503c\u975e\u5e38\u654f\u611f\uff0c\u56e0\u6b64\u5728\u5e94\u7528PCA\u4e4b\u524d\u9700\u8981\u4ed4\u7ec6\u8003\u8651\u6570\u636e\u7684\u6e05\u6d17\u548c\u9884\u5904\u7406\u3002<\/p>\n<h2><a id=\"9%E6%9C%B4%E8%B4%9D%E5%8F%B6%E6%96%AF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>9. \u6734\u8d1d\u53f6\u65af<\/h2>\n<p>\u6734\u7d20\u8d1d\u53f6\u65af\uff08Naive Bayes\uff09\u7b97\u6cd5\u662f\u4e00\u79cd\u57fa\u4e8e\u8d1d\u53f6\u65af\u5b9a\u7406\u7684\u7b80\u5355\u6982\u7387\u5206\u7c7b\u65b9\u6cd5\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u673a\u5668\u5b66\u4e60\u9886\u57df\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoOAVP6m8TAN9qtN61rgHMKJ9YLlmiaBWr4N63wYwk6VOmERFogNEBvxA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoOAVP6m8TAN9qtN61rgHMKJ9YLlmiaBWr4N63wYwk6VOmERFogNEBvxA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<p>\u6734\u7d20\u8d1d\u53f6\u65af\u7684\u201c\u6734\u7d20\u201d\u4e4b\u5904\u5728\u4e8e\u5b83\u5047\u8bbe\u5404\u7279\u5f81\u4e4b\u95f4\u76f8\u4e92\u72ec\u7acb\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u57fa\u4e8e\u8d1d\u53f6\u65af\u5b9a\u7406<\/strong>\uff1a\u6734\u7d20\u8d1d\u53f6\u65af\u7b97\u6cd5\u4f7f\u7528\u8d1d\u53f6\u65af\u5b9a\u7406\u6765\u4f30\u8ba1\u7ed9\u5b9a\u7279\u5f81\u4e0b\u67d0\u4e2a\u7c7b\u522b\u7684\u6982\u7387\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u72ec\u7acb\u6027\u5047\u8bbe<\/strong>\uff1a\u7b97\u6cd5\u5047\u8bbe\u6240\u6709\u7279\u5f81\u5728\u6761\u4ef6\u6982\u7387\u7684\u610f\u4e49\u4e0b\u76f8\u4e92\u72ec\u7acb\u3002\u867d\u7136\u8fd9\u4e2a\u5047\u8bbe\u5728\u73b0\u5b9e\u4e2d\u5f88\u5c11\u6210\u7acb\uff0c\u4f46\u6734\u7d20\u8d1d\u53f6\u65af\u5728\u8bb8\u591a\u5b9e\u9645\u60c5\u51b5\u4e0b\u4ecd\u7136\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<p>\u8d1d\u53f6\u65af\u5b9a\u7406\u7684\u6570\u5b66\u8868\u8fbe\u5f0f\u662f\uff1a<\/p>\n<p>\u5bf9\u4e8e\u5206\u7c7b\u95ee\u9898\uff0c\u53ef\u4ee5\u5199\u6210\uff1a<\/p>\n<p>\u7531\u4e8e\u7279\u5f81\u72ec\u7acb\u6027\u5047\u8bbe\uff0c\u4e0a\u5f0f\u53ef\u4ee5\u7b80\u5316\u4e3a\uff1a<\/p>\n<p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u901a\u5e38\u53ea\u9700\u6bd4\u8f83\u5206\u5b50\u7684\u5927\u5c0f\uff0c\u56e0\u4e3a\u5206\u6bcd\u5bf9\u4e8e\u6240\u6709\u7c7b\u522b\u662f\u5e38\u6570\u3002<\/p>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u7b80\u5355\u9ad8\u6548<\/strong>\uff1a\u6734\u7d20\u8d1d\u53f6\u65af\u6a21\u578b\u7b80\u5355\uff0c\u6613\u4e8e\u6784\u5efa\uff0c\u4e14\u5728\u5927\u578b\u6570\u636e\u5e93\u4e0a\u975e\u5e38\u9ad8\u6548\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9700\u8981\u7684\u8bad\u7ec3\u6570\u636e\u8f83\u5c11<\/strong>\uff1a\u76f8\u5bf9\u4e8e\u590d\u6742\u7684\u5206\u7c7b\u65b9\u6cd5\uff0c\u6734\u7d20\u8d1d\u53f6\u65af\u9700\u8981\u8f83\u5c11\u7684\u8bad\u7ec3\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u826f\u597d\u7684\u5206\u7c7b\u6027\u80fd<\/strong>\uff1a\u5c3d\u7ba1\u57fa\u4e8e\u7b80\u5355\u7684\u5047\u8bbe\uff0c\u4f46\u5728\u591a\u4e2a\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6734\u7d20\u8d1d\u53f6\u65af\u7684\u5206\u7c7b\u6027\u80fd\u975e\u5e38\u597d\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u4e8e\u591a\u7c7b\u522b\u95ee\u9898<\/strong>\uff1a\u80fd\u591f\u5904\u7406\u591a\u5206\u7c7b\u4efb\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<p>\u6734\u7d20\u8d1d\u53f6\u65af\u9002\u5408\u5904\u7406\u4ee5\u4e0b\u7c7b\u578b\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u6587\u672c\u5206\u7c7b<\/strong>\uff1a\u5982\u5783\u573e\u90ae\u4ef6\u8bc6\u522b\u3001\u60c5\u611f\u5206\u6790\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u63a8\u8350\u7cfb\u7edf<\/strong>\uff1a\u53ef\u4ee5\u7528\u4e8e\u4e2a\u6027\u5316\u63a8\u8350\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u5c24\u5176\u662f\u7279\u5f81\u4e4b\u95f4\u76f8\u5bf9\u72ec\u7acb\u65f6\u7684\u5206\u7c7b\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5b9e\u65f6\u9884\u6d4b<\/strong>\uff1a\u7531\u4e8e\u6a21\u578b\u7b80\u5355\uff0c\u9002\u5408\u5b9e\u65f6\u9884\u6d4b\u4efb\u52a1\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u6734\u7d20\u8d1d\u53f6\u65af\u7b97\u6cd5\u7684\u4e3b\u8981\u5c40\u9650\u6027\u5728\u4e8e\u5176\u7279\u5f81\u72ec\u7acb\u6027\u7684\u5047\u8bbe\uff0c\u8fd9\u5728\u73b0\u5b9e\u4e16\u754c\u7684\u6570\u636e\u4e2d\u5f80\u5f80\u4e0d\u6210\u7acb\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5bf9\u4e8e\u5305\u542b\u8bb8\u591a\u8fde\u7eed\u7279\u5f81\u7684\u6570\u636e\u96c6\uff0c\u6734\u7d20\u8d1d\u53f6\u65af\u7684\u6027\u80fd\u53ef\u80fd\u4e0d\u5982\u5176\u4ed6\u66f4\u590d\u6742\u7684\u65b9\u6cd5\u3002<\/p>\n<h2><a id=\"10-adaboost\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>10. AdaBoost<\/h2>\n<p>AdaBoost\uff08Adaptive Boosting\uff09\u662f\u4e00\u79cd\u96c6\u6210\u5b66\u4e60\u65b9\u6cd5\uff0c\u901a\u8fc7\u7ed3\u5408\u591a\u4e2a\u5f31\u5b66\u4e60\u5668\uff08\u901a\u5e38\u662f\u7b80\u5355\u7684\u5206\u7c7b\u5668\uff0c\u5982\u51b3\u7b56\u6811\uff09\u6765\u6784\u5efa\u4e00\u4e2a\u5f3a\u5b66\u4e60\u5668\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmojwDu5rFjR8lhQTuWql4JsAGFeyG0NXJVLBvkLrkelEKZw8ib31tZibNw\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmojwDu5rFjR8lhQTuWql4JsAGFeyG0NXJVLBvkLrkelEKZw8ib31tZibNw\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u5f31\u5b66\u4e60\u5668\u7684\u7ec4\u5408<\/strong>\uff1aAdaBoost \u7ed3\u5408\u4e86\u591a\u4e2a\u5f31\u5b66\u4e60\u5668\uff0c\u8fd9\u4e9b\u5f31\u5b66\u4e60\u5668\u901a\u5e38\u662f\u4e00\u4e9b\u7b80\u5355\u7684\u5206\u7c7b\u5668\uff0c\u6bd4\u5982\u5c0f\u51b3\u7b56\u6811\u3002\u6bcf\u4e2a\u5f31\u5b66\u4e60\u5668\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\u90fd\u4e13\u6ce8\u4e8e\u5148\u524d\u5b66\u4e60\u5668\u9519\u8bef\u5206\u7c7b\u7684\u6837\u672c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6743\u91cd\u66f4\u65b0<\/strong>\uff1a\u5728\u6bcf\u4e00\u8f6e\u4e2d\uff0c\u88ab\u9519\u8bef\u5206\u7c7b\u7684\u6837\u672c\u7684\u6743\u91cd\u4f1a\u589e\u52a0\uff0c\u800c\u6b63\u786e\u5206\u7c7b\u7684\u6837\u672c\u7684\u6743\u91cd\u4f1a\u51cf\u5c11\u3002\u8fd9\u6837\uff0c\u968f\u7740\u7b97\u6cd5\u7684\u8fed\u4ee3\uff0c\u96be\u4ee5\u5206\u7c7b\u7684\u6837\u672c\u5c06\u83b7\u5f97\u66f4\u591a\u7684\u5173\u6ce8\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f31\u5b66\u4e60\u5668\u7684\u52a0\u6743\u6295\u7968<\/strong>\uff1a\u6bcf\u4e2a\u5f31\u5b66\u4e60\u5668\u90fd\u4f1a\u5728\u6700\u7ec8\u7684\u5206\u7c7b\u51b3\u7b56\u4e2d\u6709\u4e00\u5b9a\u7684\u6295\u7968\u6743\u91cd\uff0c\u8fd9\u4e2a\u6743\u91cd\u662f\u57fa\u4e8e\u8be5\u5b66\u4e60\u5668\u7684\u6027\u80fd\u8ba1\u7b97\u5f97\u51fa\u7684\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<p>\u5047\u8bbe\u6709\u4e2a\u5f31\u5b66\u4e60\u5668\uff0c\u7b2c\u4e2a\u5b66\u4e60\u5668\u7684\u6743\u91cd\u4e3a\uff0c\u5219AdaBoost\u7684\u6700\u7ec8\u6a21\u578b\u53ef\u4ee5\u8868\u793a\u4e3a\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u7b2c\u4e2a\u5f31\u5b66\u4e60\u5668\u7684\u9884\u6d4b\uff0c\u662f\u8be5\u5b66\u4e60\u5668\u7684\u6743\u91cd\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a<\/p>\n<p>\u8fd9\u91cc\u7684\u662f\u7b2c\u4e2a\u5b66\u4e60\u5668\u7684\u9519\u8bef\u7387\u3002<\/p>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u6548\u679c\u597d<\/strong>\uff1aAdaBoost\u901a\u5e38\u80fd\u591f\u63d0\u9ad8\u5f31\u5b66\u4e60\u5668\u7684\u51c6\u786e\u7387\uff0c\u751f\u6210\u4e00\u4e2a\u51c6\u786e\u6027\u66f4\u9ad8\u7684\u6a21\u578b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6613\u4e8e\u5b9e\u73b0<\/strong>\uff1a\u76f8\u6bd4\u4e8e\u4e00\u4e9b\u66f4\u590d\u6742\u7684\u7b97\u6cd5\uff0cAdaBoost\u7684\u5b9e\u73b0\u76f8\u5bf9\u7b80\u5355\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u52a8\u7279\u5f81\u9009\u62e9<\/strong>\uff1a\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0cAdaBoost\u80fd\u591f\u8bc6\u522b\u51fa\u66f4\u91cd\u8981\u7684\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4e0d\u592a\u5bb9\u6613\u8fc7\u62df\u5408<\/strong>\uff1a\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0cAdaBoost\u5bf9\u8fc7\u62df\u5408\u6709\u4e00\u5b9a\u7684\u62b5\u6297\u529b\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u4e8c\u5206\u7c7b\u95ee\u9898<\/strong>\uff1aAdaBoost\u7279\u522b\u64c5\u957f\u5904\u7406\u4e8c\u5143\u5206\u7c7b\u4efb\u52a1\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u5206\u7c7b\u95ee\u9898<\/strong>\uff1a\u867d\u7136\u6700\u521d\u662f\u4e3a\u4e8c\u5206\u7c7b\u8bbe\u8ba1\u7684\uff0c\u4f46AdaBoost\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u53d8\u4f53\u6765\u5904\u7406\u591a\u5206\u7c7b\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7279\u5f81\u9009\u62e9<\/strong>\uff1a\u5728\u7279\u5f81\u9009\u62e9\u65b9\u9762\uff0cAdaBoost\u53ef\u4ee5\u5e2e\u52a9\u63d0\u9ad8\u6a21\u578b\u7684\u6574\u4f53\u6027\u80fd\u3002<\/p>\n<\/li>\n<\/ol>\n<p>AdaBoost\u7684\u4e00\u4e2a\u4e3b\u8981\u5c40\u9650\u6027\u662f\u5bf9\u566a\u58f0\u548c\u5f02\u5e38\u503c\u654f\u611f\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6a21\u578b\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5728\u67d0\u4e9b\u975e\u5e38\u590d\u6742\u7684\u95ee\u9898\u4e0a\uff0cAdaBoost\u53ef\u80fd\u4e0d\u5982\u5176\u4ed6\u66f4\u5148\u8fdb\u7684\u7b97\u6cd5\uff0c\u5982\u968f\u673a\u68ee\u6797\u6216\u6df1\u5ea6\u5b66\u4e60\u65b9\u6cd5\u3002<\/p>\n<h2><a id=\"11%E9%9A%90%E9%A9%AC%E5%B0%94%E5%8F%AF%E5%A4%AB%E6%A8%A1%E5%9E%8B\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>11. \u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b<\/h2>\n<p>\u9690\u9a6c\u5c14\u53ef\u592b\u6a21\u578b\uff08HMM\uff09\u662f\u4e00\u79cd\u7edf\u8ba1\u6a21\u578b\uff0c\u5b83\u5047\u8bbe\u7cfb\u7edf\u53ef\u4ee5\u7528\u4e00\u4e2a\u5177\u6709\u9690\u542b\u72b6\u6001\u7684\u9a6c\u5c14\u53ef\u592b\u94fe\u6765\u6a21\u62df\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmocxoDibXsmc54HfWwZMgdMVyGh9l7gKhUaZckM8w4SKmw7xHlpqEiasXg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmocxoDibXsmc54HfWwZMgdMVyGh9l7gKhUaZckM8w4SKmw7xHlpqEiasXg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<p>HMM\u5e7f\u6cdb\u5e94\u7528\u4e8e\u65f6\u5e8f\u6570\u636e\u7684\u5904\u7406\uff0c\u5982\u8bed\u97f3\u8bc6\u522b\u3001\u81ea\u7136\u8bed\u8a00\u5904\u7406\u7b49\u9886\u57df\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u9690\u542b\u72b6\u6001\u548c\u53ef\u89c2\u6d4b\u72b6\u6001<\/strong>\uff1aHMM\u5047\u8bbe\u7cfb\u7edf\u7684\u72b6\u6001\u4e0d\u662f\u76f4\u63a5\u53ef\u89c2\u6d4b\u7684\uff08\u8fd9\u4e9b\u662f\u9690\u542b\u72b6\u6001\uff09\uff0c\u800c\u662f\u901a\u8fc7\u4e00\u4e9b\u53ef\u89c2\u6d4b\u7684\u8f93\u51fa\uff08\u53ef\u89c2\u6d4b\u72b6\u6001\uff09\u95f4\u63a5\u63a8\u65ad\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9a6c\u5c14\u53ef\u592b\u94fe<\/strong>\uff1a\u9690\u542b\u72b6\u6001\u7684\u8f6c\u6362\u9075\u5faa\u9a6c\u5c14\u53ef\u592b\u6027\u8d28\uff0c\u5373\u6bcf\u4e2a\u72b6\u6001\u7684\u8f6c\u6362\u4ec5\u4f9d\u8d56\u4e8e\u524d\u4e00\u4e2a\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6982\u7387\u6a21\u578b<\/strong>\uff1aHMM\u7531\u4e24\u7ec4\u6982\u7387\u5206\u5e03\u7ec4\u6210\u2014\u2014\u72b6\u6001\u8f6c\u79fb\u6982\u7387\u548c\u89c2\u6d4b\u6982\u7387\u3002\u72b6\u6001\u8f6c\u79fb\u6982\u7387\u63cf\u8ff0\u4e86\u9690\u72b6\u6001\u4e4b\u95f4\u7684\u8f6c\u6362\u6982\u7387\uff0c\u800c\u89c2\u6d4b\u6982\u7387\u63cf\u8ff0\u4e86\u5728\u7ed9\u5b9a\u9690\u72b6\u6001\u7684\u60c5\u51b5\u4e0b\uff0c\u751f\u6210\u67d0\u4e2a\u7279\u5b9a\u89c2\u6d4b\u7684\u6982\u7387\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u72b6\u6001\u8f6c\u79fb\u6982\u7387<\/strong>\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u4ece\u72b6\u6001\u8f6c\u79fb\u5230\u72b6\u6001\u7684\u6982\u7387\uff0c\u662f\u65f6\u95f4\u7684\u72b6\u6001\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89c2\u6d4b\u6982\u7387<\/strong>\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u5728\u72b6\u6001\u89c2\u6d4b\u5230\u7b26\u53f7\u7684\u6982\u7387\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u65f6\u5e8f\u6570\u636e\u5904\u7406<\/strong>\uff1aHMM\u5728\u5904\u7406\u65f6\u5e8f\u6570\u636e\u65b9\u9762\u975e\u5e38\u6709\u6548\uff0c\u80fd\u591f\u6355\u6349\u6570\u636e\u4e2d\u7684\u65f6\u95f4\u4f9d\u8d56\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u80fd\u591f\u7528\u4e8e\u4e0d\u540c\u7c7b\u578b\u7684\u65f6\u5e8f\u95ee\u9898\uff0c\u5982\u5e8f\u5217\u751f\u6210\u3001\u6a21\u5f0f\u8bc6\u522b\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9690\u542b\u72b6\u6001\u7684\u5efa\u6a21<\/strong>\uff1a\u80fd\u591f\u5904\u7406\u65e0\u6cd5\u76f4\u63a5\u89c2\u6d4b\u7684\u72b6\u6001\u95ee\u9898\uff0c\u8fd9\u5728\u8bb8\u591a\u5b9e\u9645\u5e94\u7528\u4e2d\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<p>HMM\u9002\u5408\u5904\u7406\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u7c7b\u578b\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u8bed\u97f3\u8bc6\u522b<\/strong>\uff1aHMM\u80fd\u591f\u6709\u6548\u5730\u6a21\u578b\u5316\u8bed\u97f3\u4fe1\u53f7\u7684\u65f6\u5e8f\u7279\u6027\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u7136\u8bed\u8a00\u5904\u7406<\/strong>\uff1a\u4f8b\u5982\uff0c\u8bcd\u6027\u6807\u6ce8\u3001\u6587\u672c\u751f\u6210\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u751f\u7269\u4fe1\u606f\u5b66<\/strong>\uff1a\u5982\u86cb\u767d\u8d28\u7ed3\u6784\u9884\u6d4b\u3001\u57fa\u56e0\u5e8f\u5217\u5206\u6790\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b<\/strong>\uff1a\u80a1\u5e02\u5206\u6790\u3001\u5929\u6c14\u9884\u6d4b\u7b49\u9886\u57df\u3002<\/p>\n<\/li>\n<\/ol>\n<p>HMM\u7684\u4e3b\u8981\u6311\u6218\u5728\u4e8e\u5176\u53c2\u6570\u4f30\u8ba1\uff08\u5982\u4f7f\u7528Baum-Welch\u7b97\u6cd5\u8fdb\u884c\u8bad\u7ec3\uff09\u53ef\u80fd\u8ba1\u7b97\u590d\u6742\uff0c\u5e76\u4e14\u5bf9\u4e8e\u975e\u5e38\u957f\u7684\u5e8f\u5217\u6216\u5927\u578b\u72b6\u6001\u7a7a\u95f4\u53ef\u80fd\u6548\u7387\u8f83\u4f4e\u3002<\/p>\n<p>\u6b64\u5916\uff0cHMM\u5bf9\u4e8e\u9690\u542b\u72b6\u6001\u4e4b\u95f4\u7684\u9ad8\u9636\u4f9d\u8d56\u5173\u7cfb\u7684\u5efa\u6a21\u80fd\u529b\u6709\u9650\u3002<\/p>\n<h2><a id=\"12%E9%95%BF%E7%9F%AD%E6%9C%9F%E8%AE%B0%E5%BF%86%E7%BD%91%E7%BB%9C\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>12.\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc<\/h2>\n<p>\u957f\u77ed\u671f\u8bb0\u5fc6\u7f51\u7edc\uff08LSTM\uff09\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u9012\u5f52\u795e\u7ecf\u7f51\u7edc\uff08RNN\uff09\uff0c\u7279\u522b\u8bbe\u8ba1\u7528\u6765\u907f\u514dRNN\u5728\u957f\u5e8f\u5217\u4e0a\u7684\u8bad\u7ec3\u4e2d\u9047\u5230\u7684\u68af\u5ea6\u6d88\u5931\u95ee\u9898\u3002LSTM\u5728\u5904\u7406\u548c\u9884\u6d4b\u957f\u5e8f\u5217\u6570\u636e\u65b9\u9762\u8868\u73b0\u51fa\u8272\uff0c\u7279\u522b\u9002\u7528\u4e8e\u5177\u6709\u957f\u671f\u4f9d\u8d56\u5173\u7cfb\u7684\u4efb\u52a1\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo1XcMzqHs8UMmNepv4zuBqlFDdCCXGYEpUHjgvAewljR5r9reiaVZqeg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmo1XcMzqHs8UMmNepv4zuBqlFDdCCXGYEpUHjgvAewljR5r9reiaVZqeg\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u8bb0\u5fc6\u5355\u5143<\/strong>\uff1aLSTM\u7684\u6838\u5fc3\u662f\u8bb0\u5fc6\u5355\u5143\uff0c\u5b83\u53ef\u4ee5\u5728\u7f51\u7edc\u5185\u90e8\u7ef4\u6301\u72b6\u6001\u4fe1\u606f\uff0c\u4ee5\u4fbf\u6355\u6349\u957f\u671f\u4f9d\u8d56\u5173\u7cfb\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u95e8\u63a7\u673a\u5236<\/strong>\uff1aLSTM\u901a\u8fc7\u95e8\u63a7\u673a\u5236\u6765\u63a7\u5236\u4fe1\u606f\u7684\u4fdd\u7559\u548c\u9057\u5fd8\u3002\u8fd9\u4e9b\u95e8\u5305\u62ec\u8f93\u5165\u95e8\u3001\u9057\u5fd8\u95e8\u548c\u8f93\u51fa\u95e8\uff0c\u5b83\u4eec\u534f\u540c\u5de5\u4f5c\uff0c\u51b3\u5b9a\u4fe1\u606f\u4f55\u65f6\u8fdb\u5165\u3001\u4fdd\u7559\u6216\u79bb\u5f00\u8bb0\u5fc6\u5355\u5143\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u957f\u671f\u548c\u77ed\u671f\u8bb0\u5fc6<\/strong>\uff1aLSTM\u80fd\u591f\u5728\u5176\u5185\u90e8\u72b6\u6001\u4e2d\u5b58\u50a8\u957f\u671f\u8bb0\u5fc6\uff0c\u5e76\u901a\u8fc7\u9690\u85cf\u5c42\u4f20\u9012\u77ed\u671f\u8bb0\u5fc6\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<p>LSTM\u5355\u5143\u7684\u64cd\u4f5c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u516c\u5f0f\u63cf\u8ff0\uff1a<\/p>\n<ul>\n<li>\n<p><strong>\u9057\u5fd8\u95e8<\/strong>\uff1a<\/p>\n<\/li>\n<li>\n<p><strong>\u8f93\u5165\u95e8<\/strong>\uff1a<\/p>\n<\/li>\n<li>\n<p><strong>\u5355\u5143\u72b6\u6001\u66f4\u65b0<\/strong>\uff1a<\/p>\n<\/li>\n<li>\n<p><strong>\u8f93\u51fa\u95e8\u548c\u9690\u85cf\u72b6\u6001<\/strong>\uff1a<\/p>\n<\/li>\n<\/ul>\n<p>\u5176\u4e2d\uff0c\u00a0\u8868\u793asigmoid\u51fd\u6570\uff0c\u00a0\u8868\u793a\u53cc\u66f2\u6b63\u5207\u51fd\u6570\uff0c\u00a0\u548c\u00a0\u00a0\u662f\u6743\u91cd\u77e9\u9635\u548c\u504f\u7f6e\u5411\u91cf\uff0c\u00a0\u548c\u00a0\u00a0\u5206\u522b\u662f\u65f6\u523b\u00a0\u00a0\u7684\u9690\u85cf\u72b6\u6001\u548c\u5355\u5143\u72b6\u6001\uff0c\u00a0\u662f\u8f93\u5165\u3002<\/p>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u957f\u671f\u4f9d\u8d56<\/strong>\uff1aLSTM\u80fd\u591f\u5904\u7406\u957f\u5e8f\u5217\u6570\u636e\u4e2d\u7684\u957f\u671f\u4f9d\u8d56\u95ee\u9898\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7075\u6d3b\u6027<\/strong>\uff1a\u9002\u7528\u4e8e\u5404\u79cd\u590d\u6742\u7684\u5e8f\u5217\u6a21\u578b\u4efb\u52a1\uff0c\u5982\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b\u3001\u8bed\u97f3\u8bc6\u522b\u548c\u81ea\u7136\u8bed\u8a00\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u907f\u514d\u68af\u5ea6\u6d88\u5931<\/strong>\uff1aLSTM\u7684\u8bbe\u8ba1\u5e2e\u52a9\u907f\u514d\u4e86\u4f20\u7edfRNN\u4e2d\u7684\u68af\u5ea6\u6d88\u5931\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<p>LSTM\u9002\u5408\u5904\u7406\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u4ee5\u4e0b\u7c7b\u578b\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u65f6\u95f4\u5e8f\u5217\u9884\u6d4b<\/strong>\uff1a\u5982\u80a1\u7968\u5e02\u573a\u5206\u6790\u3001\u5929\u6c14\u9884\u6d4b\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u7136\u8bed\u8a00\u5904\u7406<\/strong>\uff1a\u5982\u673a\u5668\u7ffb\u8bd1\u3001\u60c5\u611f\u5206\u6790\u3001\u6587\u672c\u751f\u6210\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8bed\u97f3\u8bc6\u522b<\/strong>\uff1a\u5c06\u97f3\u9891\u6570\u636e\u8f6c\u6362\u4e3a\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89c6\u9891\u5206\u6790<\/strong>\uff1a\u6bd4\u5982\u52a8\u4f5c\u8bc6\u522b\u6216\u89c6\u9891\u4e2d\u7684\u4e8b\u4ef6\u9884\u6d4b\u3002<\/p>\n<\/li>\n<\/ol>\n<p>LSTM\u7684\u4e3b\u8981\u6311\u6218\u5728\u4e8e\u5176\u8bad\u7ec3\u7684\u8ba1\u7b97\u6210\u672c\u76f8\u5bf9\u8f83\u9ad8\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u975e\u5e38\u957f\u7684\u5e8f\u5217\u3002\u6b64\u5916\uff0c\u867d\u7136LSTM\u80fd\u591f\u6709\u6548\u5904\u7406\u68af\u5ea6\u6d88\u5931\u95ee\u9898\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4ecd\u53ef\u80fd\u9762\u4e34\u68af\u5ea6\u7206\u70b8\u7684\u95ee\u9898\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e9b\u95ee\u9898\uff0c\u901a\u5e38\u9700\u8981\u4ed4\u7ec6\u7684\u53c2\u6570\u8c03\u6574\u548c\u4f7f\u7528\u8bf8\u5982\u68af\u5ea6\u88c1\u526a\u4e4b\u7c7b\u7684\u6280\u672f\u3002<\/p>\n<h2><a id=\"13%E5%8D%B7%E7%A7%AF%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>13.\u5377\u79ef\u795e\u7ecf\u7f51\u7edc<\/h2>\n<p>\u5377\u79ef\u795e\u7ecf\u7f51\u7edc\uff08CNN\uff09\u662f\u4e00\u79cd\u7279\u522b\u4e3a\u5904\u7406\u5177\u6709\u7f51\u683c\u7ed3\u6784\u6570\u636e\uff08\u5982\u56fe\u50cf\uff09\u800c\u8bbe\u8ba1\u7684\u6df1\u5ea6\u5b66\u4e60\u7b97\u6cd5\u3002<\/p>\n<p>\u5b83\u5728\u56fe\u50cf\u5904\u7406\u3001\u89c6\u9891\u5206\u6790\u548c\u8bb8\u591a\u5176\u4ed6\u9886\u57df\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u5377\u79ef\u5c42<\/strong>\uff1aCNN\u7684\u6838\u5fc3\u7ec4\u6210\u90e8\u5206\uff0c\u8d1f\u8d23\u4ece\u8f93\u5165\u6570\u636e\u4e2d\u63d0\u53d6\u7279\u5f81\u3002\u901a\u8fc7\u5728\u6570\u636e\u4e0a\u6ed1\u52a8\u5c0f\u7a97\u53e3\uff08\u5377\u79ef\u6838\uff09\u6765\u8ba1\u7b97\u5c40\u90e8\u533a\u57df\u7684\u70b9\u79ef\uff0c\u751f\u6210\u7279\u5f81\u56fe\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6fc0\u6d3b\u5c42<\/strong>\uff1a\u901a\u5e38\u5728\u5377\u79ef\u5c42\u4e4b\u540e\u5e94\u7528\u975e\u7ebf\u6027\u6fc0\u6d3b\u51fd\u6570\uff08\u5982ReLU\uff09\uff0c\u589e\u52a0\u7f51\u7edc\u7684\u975e\u7ebf\u6027\u80fd\u529b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6c60\u5316\u5c42<\/strong>\uff1a\u7528\u4e8e\u964d\u4f4e\u7279\u5f81\u56fe\u7684\u7a7a\u95f4\u7ef4\u5ea6\uff0c\u51cf\u5c11\u53c2\u6570\u6570\u91cf\u548c\u8ba1\u7b97\u91cf\uff0c\u540c\u65f6\u4fdd\u6301\u91cd\u8981\u4fe1\u606f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5168\u8fde\u63a5\u5c42<\/strong>\uff1a\u5728\u5377\u79ef\u5c42\u548c\u6c60\u5316\u5c42\u4e4b\u540e\uff0c\u7528\u4e8e\u5206\u7c7b\u6216\u56de\u5f52\u4efb\u52a1\u7684\u51b3\u7b56\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u5377\u79ef\u64cd\u4f5c<\/strong>\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u662f\u7279\u5f81\u56fe\uff0c\u662f\u8f93\u5165\u56fe\u50cf\uff0c\u662f\u5377\u79ef\u6838\uff0c\u662f\u7279\u5f81\u56fe\u4e0a\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u53c2\u6570\u5171\u4eab<\/strong>\uff1a\u5377\u79ef\u6838\u5728\u6574\u4e2a\u8f93\u5165\u4e0a\u5171\u4eab\u53c2\u6570\uff0c\u5927\u5927\u51cf\u5c11\u4e86\u6a21\u578b\u7684\u53c2\u6570\u6570\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5c40\u90e8\u8fde\u63a5<\/strong>\uff1a\u6bcf\u4e2a\u795e\u7ecf\u5143\u4ec5\u4e0e\u8f93\u5165\u6570\u636e\u7684\u5c40\u90e8\u533a\u57df\u76f8\u8fde\uff0c\u4f7f\u5f97CNN\u80fd\u591f\u6355\u6349\u5c40\u90e8\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u5e94\u6027\u5f3a<\/strong>\uff1aCNN\u80fd\u591f\u81ea\u52a8\u4ece\u6570\u636e\u4e2d\u5b66\u4e60\u548c\u63d0\u53d6\u6709\u7528\u7684\u7279\u5f81\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9002\u7528\u4e8e\u5404\u79cd\u5c3a\u5bf8\u7684\u8f93\u5165<\/strong>\uff1aCNN\u53ef\u4ee5\u5904\u7406\u4e0d\u540c\u5927\u5c0f\u7684\u8f93\u5165\u56fe\u50cf\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<ol>\n<li>\n<p><strong>\u56fe\u50cf\u5206\u7c7b<\/strong>\uff1a\u5982\u8bc6\u522b\u56fe\u7247\u4e2d\u7684\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u7269\u4f53\u68c0\u6d4b<\/strong>\uff1a\u5728\u56fe\u50cf\u4e2d\u5b9a\u4f4d\u548c\u8bc6\u522b\u591a\u4e2a\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56fe\u50cf\u5206\u5272<\/strong>\uff1a\u5bf9\u56fe\u50cf\u4e2d\u7684\u6bcf\u4e2a\u50cf\u7d20\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89c6\u89c9\u8ddf\u8e2a<\/strong>\uff1a\u8ddf\u8e2a\u89c6\u9891\u4e2d\u7684\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u7136\u8bed\u8a00\u5904\u7406<\/strong>\uff1a\u867d\u7136CNN\u4e3b\u8981\u7528\u4e8e\u56fe\u50cf\uff0c\u4f46\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5904\u7406\u6587\u672c\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ol>\n<p>CNN\u7684\u4e3b\u8981\u6311\u6218\u4e4b\u4e00\u662f\u5176\u5bf9\u5927\u91cf\u6807\u8bb0\u6570\u636e\u7684\u9700\u6c42\uff0c\u4ee5\u53ca\u76f8\u5bf9\u8f83\u9ad8\u7684\u8ba1\u7b97\u8d44\u6e90\u6d88\u8017\u3002\u6b64\u5916\uff0c\u867d\u7136CNN\u5728\u63d0\u53d6\u7279\u5f81\u65b9\u9762\u975e\u5e38\u6709\u6548\uff0c\u4f46\u7406\u89e3\u548c\u89e3\u91ca\u8fd9\u4e9b\u7279\u5f81\u7684\u542b\u4e49\u4ecd\u7136\u662f\u4e00\u4e2a\u6311\u6218\u3002<\/p>\n<h2><a id=\"14-t-sne\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>14.t-SNE<\/h2>\n<p>t-SNE\uff08t-distributed Stochastic Neighbor Embedding\uff09\u4e3b\u8981\u7528\u4e8e\u9ad8\u7ef4\u6570\u636e\u7684\u53ef\u89c6\u5316\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoswYerJS6fHIic0YFjqHcibxWEDIFQsrosYMQHTiaGUZgoTDboqMcYBZWA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmoswYerJS6fHIic0YFjqHcibxWEDIFQsrosYMQHTiaGUZgoTDboqMcYBZWA\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<p>\u5b83\u901a\u8fc7\u5c06\u9ad8\u7ef4\u6570\u636e\u6620\u5c04\u5230\u4f4e\u7ef4\u7a7a\u95f4\uff08\u901a\u5e38\u662f\u4e8c\u7ef4\u6216\u4e09\u7ef4\uff09\uff0c\u6765\u5e2e\u52a9\u6211\u4eec\u7406\u89e3\u3001\u89e3\u91ca\u548c\u53ef\u89c6\u5316\u6570\u636e\u7684\u7ed3\u6784\u548c\u6a21\u5f0f\u3002<\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u76f8\u4f3c\u6027\u6982\u7387<\/strong>\uff1at-SNE\u9996\u5148\u5728\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\u8ba1\u7b97\u6bcf\u5bf9\u6570\u636e\u70b9\u7684\u76f8\u4f3c\u6027\u6982\u7387\uff0c\u8fd9\u79cd\u76f8\u4f3c\u6027\u901a\u5e38\u901a\u8fc7\u9ad8\u65af\u5206\u5e03\u6765\u8868\u793a\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u4f4e\u7ef4\u6620\u5c04<\/strong>\uff1a\u63a5\u7740\uff0ct-SNE\u5728\u4f4e\u7ef4\u7a7a\u95f4\u4e2d\u6784\u5efa\u4e00\u4e2a\u76f8\u4f3c\u7684\u70b9\u5bf9\u6982\u7387\u5206\u5e03\uff0c\u8fd9\u6b21\u4f7f\u7528t\u5206\u5e03\u3002<\/p>\n<\/li>\n<li>\n<p><strong>Kullback-Leibler\u6563\u5ea6\u6700\u5c0f\u5316<\/strong>\uff1at-SNE\u7684\u76ee\u6807\u662f\u4f7f\u9ad8\u7ef4\u7a7a\u95f4\u548c\u4f4e\u7ef4\u7a7a\u95f4\u4e2d\u7684\u8fd9\u4e24\u4e2a\u5206\u5e03\u5c3d\u53ef\u80fd\u76f8\u4f3c\u3002\u8fd9\u662f\u901a\u8fc7\u6700\u5c0f\u5316\u4e24\u4e2a\u5206\u5e03\u4e4b\u95f4\u7684Kullback-Leibler\uff08KL\uff09\u6563\u5ea6\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<ul>\n<li>\n<p><strong>\u9ad8\u7ef4\u7a7a\u95f4\u4e2d\u7684\u76f8\u4f3c\u6027\u6982\u7387<\/strong>\uff1a<\/p>\n<\/li>\n<li>\n<p><strong>\u4f4e\u7ef4\u7a7a\u95f4\u4e2d\u7684\u76f8\u4f3c\u6027\u6982\u7387<\/strong>\uff1a<\/p>\n<\/li>\n<li>\n<p><strong>KL\u6563\u5ea6\u6700\u5c0f\u5316<\/strong>\uff1a<\/p>\n<\/li>\n<\/ul>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u9ad8\u6548\u7684\u6570\u636e\u53ef\u89c6\u5316<\/strong>\uff1at-SNE\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u5c06\u9ad8\u7ef4\u6570\u636e\u96c6\u964d\u7ef4\u5e76\u8fdb\u884c\u53ef\u89c6\u5316\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u590d\u6742\u6570\u636e\u96c6\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u53d1\u73b0\u6570\u636e\u7ed3\u6784<\/strong>\uff1a\u80fd\u591f\u63ed\u793a\u6570\u636e\u4e2d\u7684\u7fa4\u7ec4\u3001\u6a21\u5f0f\u548c\u5f02\u5e38\u503c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u76f4\u89c2\u7406\u89e3<\/strong>\uff1a\u751f\u6210\u7684\u4f4e\u7ef4\u56fe\u5f62\u901a\u5e38\u975e\u5e38\u76f4\u89c2\uff0c\u4fbf\u4e8e\u7406\u89e3\u548c\u89e3\u91ca\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<p>t-SNE\u6700\u9002\u5408\u7528\u4e8e\u4ee5\u4e0b\u65b9\u9762\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u9ad8\u7ef4\u6570\u636e\u53ef\u89c6\u5316<\/strong>\uff1a\u7279\u522b\u9002\u5408\u4e8e\u63a2\u7d22\u6027\u6570\u636e\u5206\u6790\uff0c\u5e2e\u52a9\u7406\u89e3\u6570\u636e\u7684\u5185\u90e8\u7ed3\u6784\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u805a\u7c7b\u5206\u6790<\/strong>\uff1a\u867d\u7136t-SNE\u672c\u8eab\u4e0d\u662f\u805a\u7c7b\u7b97\u6cd5\uff0c\u4f46\u5b83\u53ef\u4ee5\u5e2e\u52a9\u53ef\u89c6\u5316\u805a\u7c7b\u7ed3\u6784\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5f02\u5e38\u68c0\u6d4b<\/strong>\uff1a\u901a\u8fc7\u53ef\u89c6\u5316\u53d1\u73b0\u6570\u636e\u4e2d\u7684\u5f02\u5e38\u6a21\u5f0f\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u9884\u5904\u7406<\/strong>\uff1a\u5728\u5e94\u7528\u590d\u6742\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u4e4b\u524d\uff0c\u7528\u4e8e\u7406\u89e3\u548c\u6d1e\u5bdf\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ol>\n<p>t-SNE\u7684\u4e3b\u8981\u9650\u5236\u662f\u5b83\u7684\u8ba1\u7b97\u6210\u672c\u968f\u7740\u6570\u636e\u70b9\u7684\u589e\u52a0\u800c\u663e\u8457\u589e\u52a0\uff0c\u5e76\u4e14\u5b83\u7684\u7ed3\u679c\u6709\u65f6\u53ef\u80fd\u96be\u4ee5\u590d\u73b0\uff08\u7531\u4e8e\u968f\u673a\u521d\u59cb\u5316\uff09\u3002\u6b64\u5916\uff0ct-SNE\u4e0d\u4fdd\u7559\u6570\u636e\u7a7a\u95f4\u4e2d\u7684\u5168\u5c40\u7ed3\u6784\uff0c\u56e0\u6b64\u5b83\u66f4\u9002\u5408\u4e8e\u63ed\u793a\u6570\u636e\u4e2d\u7684\u5c40\u90e8\u7fa4\u7ec4\u548c\u7ed3\u6784\uff0c\u800c\u4e0d\u662f\u7528\u4e8e\u7cbe\u786e\u7684\u8ddd\u79bb\u6216\u5bc6\u5ea6\u4f30\u8ba1\u3002<\/p>\n<h2><a id=\"15%E7%94%9F%E6%88%90%E5%AF%B9%E6%8A%97%E7%BD%91%E7%BB%9C\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>15.\u751f\u6210\u5bf9\u6297\u7f51\u7edc<\/h2>\n<p>\u751f\u6210\u5bf9\u6297\u7f51\u7edc\uff08GANs\uff09\u5728\u751f\u6210\u903c\u771f\u7684\u56fe\u50cf\u3001\u89c6\u9891\u3001\u58f0\u97f3\u7b49\u65b9\u9762\u8868\u73b0\u51fa\u8272\u3002<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmohMQsWEkFnMa6UMia2C7GKUnGXM35R1R2c9Js91EBoRZicicjhA77CUib4g\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/mmbiz.qpic.cn\/sz_mmbiz_png\/kibwfTuPM4l8vDibz9Qicg9MesibMcZEsqmohMQsWEkFnMa6UMia2C7GKUnGXM35R1R2c9Js91EBoRZicicjhA77CUib4g\/640?wx_fmt=png&amp;from=appmsg&amp;tp=webp&amp;wxfrom=5&amp;wx_lazy=1&amp;wx_co=1\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\u56fe\u7247\" \/><\/div><\/p>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%8E%9F%E7%90%86\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u539f\u7406<\/h3>\n<ol>\n<li>\n<p><strong>\u5bf9\u6297\u8fc7\u7a0b<\/strong>\uff1aGANs\u7531\u4e24\u90e8\u5206\u7ec4\u6210\u2014\u2014\u751f\u6210\u5668\uff08Generator\uff09\u548c\u5224\u522b\u5668\uff08Discriminator\uff09\u3002\u751f\u6210\u5668\u7684\u76ee\u6807\u662f\u751f\u6210\u903c\u771f\u7684\u6570\u636e\uff0c\u800c\u5224\u522b\u5668\u7684\u76ee\u6807\u662f\u533a\u5206\u771f\u5b9e\u6570\u636e\u548c\u751f\u6210\u5668\u4ea7\u751f\u7684\u5047\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8bad\u7ec3\u8fc7\u7a0b<\/strong>\uff1a\u5728\u8bad\u7ec3\u8fc7\u7a0b\u4e2d\uff0c\u751f\u6210\u5668\u548c\u5224\u522b\u5668\u4e0d\u65ad\u5bf9\u6297\uff0c\u751f\u6210\u5668\u8bd5\u56fe\u6b3a\u9a97\u5224\u522b\u5668\uff0c\u800c\u5224\u522b\u5668\u5219\u8bd5\u56fe\u4e0d\u88ab\u6b3a\u9a97\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u7c7b\u4f3c\u4e8e\u201c\u6349\u8ff7\u85cf\u201d\u7684\u6e38\u620f\uff0c\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u751f\u6210\u5668\u53d8\u5f97\u8d8a\u6765\u8d8a\u64c5\u957f\u4e8e\u751f\u6210\u903c\u771f\u7684\u6570\u636e\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E6%A0%B8%E5%BF%83%E5%85%AC%E5%BC%8F\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u6838\u5fc3\u516c\u5f0f<\/h3>\n<p>GANs\u7684\u8bad\u7ec3\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ef7\u503c\u51fd\u6570\uff08minimax\u6e38\u620f\uff09\u6765\u63cf\u8ff0\uff1a<\/p>\n<p>\u5176\u4e2d\uff0c\u8868\u793a\u751f\u6210\u5668\uff0c\u8868\u793a\u5224\u522b\u5668\uff0c\u662f\u771f\u5b9e\u6570\u636e\uff0c\u662f\u751f\u6210\u5668\u7684\u8f93\u5165\u566a\u58f0\uff0c\u662f\u771f\u5b9e\u6570\u636e\u7684\u5206\u5e03\uff0c\u662f\u566a\u58f0\u5206\u5e03\u3002<\/p>\n<h3><a id=\"%E4%BC%98%E5%8A%BF\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u4f18\u52bf<\/h3>\n<ol>\n<li>\n<p><strong>\u9ad8\u8d28\u91cf\u751f\u6210<\/strong>\uff1aGANs\u80fd\u751f\u6210\u9ad8\u5ea6\u903c\u771f\u7684\u56fe\u50cf\u3001\u89c6\u9891\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65e0\u9700\u6807\u8bb0\u6570\u636e<\/strong>\uff1a\u4e0e\u5176\u4ed6\u6df1\u5ea6\u5b66\u4e60\u6a21\u578b\u4e0d\u540c\uff0cGANs\u5728\u8bad\u7ec3\u65f6\u4e0d\u9700\u8981\u6807\u8bb0\u6570\u636e\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u591a\u6837\u6027<\/strong>\uff1aGANs\u53ef\u4ee5\u751f\u6210\u591a\u6837\u5316\u7684\u6570\u636e\u6837\u672c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u65b0\u9896\u5e94\u7528<\/strong>\uff1aGANs\u5df2\u88ab\u7528\u4e8e\u827a\u672f\u521b\u4f5c\u3001\u6e38\u620f\u5f00\u53d1\u3001\u865a\u62df\u73b0\u5b9e\u7b49\u9886\u57df\u3002<\/p>\n<\/li>\n<\/ol>\n<h3><a id=\"%E9%80%82%E5%90%88%E5%A4%84%E7%90%86%E7%9A%84%E6%9C%BA%E5%99%A8%E5%AD%A6%E4%B9%A0%E9%97%AE%E9%A2%98\" class=\"anchor\" aria-hidden=\"true\"><span class=\"octicon octicon-link\"><\/span><\/a>\u9002\u5408\u5904\u7406\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898<\/h3>\n<p>GANs\u6700\u9002\u5408\u5904\u7406\u4ee5\u4e0b\u65b9\u9762\u7684\u673a\u5668\u5b66\u4e60\u95ee\u9898\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u56fe\u50cf\u751f\u6210<\/strong>\uff1a\u751f\u6210\u903c\u771f\u7684\u56fe\u50cf\uff0c\u4f8b\u5982\u827a\u672f\u521b\u4f5c\u3001\u865a\u62df\u89d2\u8272\u7b49\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6570\u636e\u589e\u5f3a<\/strong>\uff1a\u4e3a\u4e86\u589e\u52a0\u8bad\u7ec3\u6570\u636e\u96c6\u7684\u591a\u6837\u6027\uff0c\u751f\u6210\u989d\u5916\u7684\u8bad\u7ec3\u6837\u672c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u98ce\u683c\u8f6c\u6362<\/strong>\uff1a\u5982\u5c06\u7167\u7247\u8f6c\u6362\u4e3a\u827a\u672f\u753b\u4f5c\u7684\u98ce\u683c\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56fe\u50cf\u4fee\u590d<\/strong>\uff1a\u4fee\u590d\u635f\u574f\u6216\u4e0d\u5b8c\u6574\u7684\u56fe\u50cf\u3002<\/p>\n<\/li>\n<\/ol>\n<p>GANs\u7684\u4e3b\u8981\u6311\u6218\u4e4b\u4e00\u662f\u8bad\u7ec3\u8fc7\u7a0b\u53ef\u80fd\u975e\u5e38\u56f0\u96be\u548c\u4e0d\u7a33\u5b9a\uff0c\u6709\u65f6\u53ef\u80fd\u5bfc\u81f4\u6a21\u5f0f\u5d29\u6e83\uff08\u6a21\u578b\u751f\u6210\u7684\u6837\u672c\u7f3a\u4e4f\u591a\u6837\u6027\uff09\u3002<\/p>\n<h2><a 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