{"id":279,"date":"2018-03-23T11:42:15","date_gmt":"2018-03-23T03:42:15","guid":{"rendered":"https:\/\/cms.ersinfotech.com\/boyidata\/2018\/03\/23\/%e3%80%90%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e7%ae%97%e6%b3%95%e3%80%91%e4%bd%a0%e6%98%af%e4%bd%a0%e5%a5%b3%e7%a5%9eor%e7%94%b7%e7%a5%9e%e5%bf%83%e4%b8%ad%e7%9a%84%e9%82%a3%e4%b8%80%e4%bd%8d%e5%90%97\/"},"modified":"2018-03-23T11:42:15","modified_gmt":"2018-03-23T03:42:15","slug":"%e3%80%90%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e7%ae%97%e6%b3%95%e3%80%91%e4%bd%a0%e6%98%af%e4%bd%a0%e5%a5%b3%e7%a5%9eor%e7%94%b7%e7%a5%9e%e5%bf%83%e4%b8%ad%e7%9a%84%e9%82%a3%e4%b8%80%e4%bd%8d%e5%90%97","status":"publish","type":"post","link":"https:\/\/cms.ersinfotech.com\/boyidata\/2018\/03\/23\/%e3%80%90%e6%9c%ba%e5%99%a8%e5%ad%a6%e4%b9%a0%e7%ae%97%e6%b3%95%e3%80%91%e4%bd%a0%e6%98%af%e4%bd%a0%e5%a5%b3%e7%a5%9eor%e7%94%b7%e7%a5%9e%e5%bf%83%e4%b8%ad%e7%9a%84%e9%82%a3%e4%b8%80%e4%bd%8d%e5%90%97\/","title":{"rendered":"\u3010\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u3011\u4f60\u662f\u4f60\u5973\u795eor\u7537\u795e\u5fc3\u4e2d\u7684\u90a3\u4e00\u4f4d\u5417\uff1f"},"content":{"rendered":"<section class=\" \">\n<section style=\"background-color: rgb(255, 255, 255); box-sizing: border-box;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5e38\u8bf4\u201c\u5973\u4eba\u5fc3\u6d77\u5e95\u9488\u201d\u201c\u5973\u4eba\u5fc3\u4e8b\u4f60\u522b\u731c\u201d\uff0c\u4f46\u7537\u4eba\u53c8\u4f55\u5c1d\u4e0d\u662f\uff1f\u60f3\u77e5\u9053\u4f60\u662f\u4f60\u5973\u795eor\u7537\u795e\u5fc3\u4e2d\u7684\u90a3\u4e00\u4f4d\u5417\uff1f\u5bb9\u5c0f\u7f16\u6390\u300cK\u8fd1\u90bb\u7b97\u6cd5\u300d\u4e00\u7b97\uff0c\u6b64\u7275\u8fde\u751a\u5e7f\uff0c\u9996\u5148\u4e86\u89e3\u4f55\u4e3aK\u8fd1\u90bb\u7b97\u6cd5\u3002<\/span><\/section>\n<p><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K\u8fd1\u90bb\uff08K-Nearest Neighbor\uff0cKNN\uff09\u5206\u7c7b\u7b97\u6cd5\u662f\u5178\u578b\u7684\u76d1\u7763\u6027\u5b66\u4e60\u7b97\u6cd5\uff0c\u662f\u4e00\u79cd\u5206\u7c7b\u7b97\u6cd5\uff0c\u4e5f\u662f\u6700\u7b80\u5355\u6613\u61c2\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u6ca1\u6709\u4e4b\u4e00\u3002\u5b83\u91c7\u7528\u6d4b\u91cf\u4e0d\u540c\u7279\u5f81\u503c\u4e4b\u95f4\u7684\u8ddd\u79bb\u65b9\u6cd5\u8fdb\u884c\u5206\u7c7b\u3002<\/span><\/p>\n<p><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5b83\u7684\u601d\u60f3\u5f88\u7b80\u5355\uff1a\u8ba1\u7b97\u4e00\u4e2a\u70b9A\u4e0e\u5176\u4ed6\u6240\u6709\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u53d6\u51fa\u4e0e\u8be5\u70b9\u6700\u8fd1\u7684K\u4e2a\u70b9\uff0c\u7136\u540e\u7edf\u8ba1\u8fd9K\u4e2a\u70b9\u4e2d\u6240\u5c5e\u5206\u7c7b\u6bd4\u4f8b\u6700\u5927\u7684\uff0c\u5219\u70b9A\u5c5e\u4e8e\u8be5\u5206\u7c7b\u3002\u7b80\u5355\u6765\u8bf4\u5c31\u662f\u7531\u4f60\u7684\u90bb\u5c45\u6765\u63a8\u65ad\u51fa\u4f60\u7684\u7c7b\u522b\u3002<\/span><\/p>\n<p><\/p>\n<\/section>\n<p style=\"text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9996\u5148\uff0c<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8bf7\u770b\u4e0b\u56fe<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:190px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/uploadfiles\/1\/images\/bab6bc822968a77408972895d295e6f8.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5f53<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K=3<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u65f6\uff0c\u8bf7\u95ee\u7eff\u8272\u5706\u5f62\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff1f&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center;\">\u5f53<\/span><\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K=5<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center;\">\u65f6<\/span>\uff0c<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center;\">\u8bf7\u95ee\u7eff\u8272\u5706\u5f62\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff1f<\/span>&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6309\u7167\u6211\u4eec\u8089\u773c\u6765\u770b\uff0c\u7c97\u7cd9\u5224\u65ad\u5f53K=3\u65f6\uff0c\u7eff\u8272\u7684\u5706\u5c5e\u4e8e\u7ea2\u8272\u4e09\u89d2\u5f62\uff1b\u5f53K=5\u65f6\uff0c\u7eff\u8272\u5706\u5f62\u5c5e\u4e8e\u84dd\u8272\u6b63\u65b9\u5f62\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u901a\u8fc7\u5b9e\u4f8b\u770bK\u8fd1\u90bb\u5206\u7c7b\u7b97\u6cd5<\/span><\/strong><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"><img src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/1e285c2da2d59880169f1af8b2a8e5b4.jpg\" style=\"text-align: center; white-space: normal; width: 231px; max-width: 100%;border:0px;\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u95ee\uff1a\u5f53<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K=3<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u65f6\uff0c<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">P(1.1\uff0c0.3)<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5c5e\u4e8e\u54ea\u4e00\u7c7b\uff1f<\/span><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"><img style=\"width:276px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/c4fdc2c69d6b41ce563c98bacabe487f.jpg\"\/><\/p>\n<p style=\"text-align: center;\"><img style=\"width:242px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/4b98de526e56a35c638f17ce482023b7.jpg\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u82e5K=3\uff0c\u5219P\u5c5e\u4e8eA\uff1b<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u82e5K=2\u5462\uff1f&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u82e5K=4\u5462\uff1f<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5f53K=2,4\u65f6\uff0c\u65e0\u6cd5\u51c6\u786e\u5224\u65adp\u5230\u5e95\u5c5e\u4e8eA\u8fd8\u662fB\uff0c\u53ea\u80fd\u968f\u673a\u9009\u53d6\u4e00\u4e2a\u7c7b\u522b\uff0c\u8fd9\u4e5f\u662fKNN\u7684\u4e00\u4e2a\u7f3a\u70b9\uff0c\u5bf9\u6b64\u6709\u4e2a\u529e\u6cd5\u53ef\u4ee5\u4f18\u5316KNN\u5206\u7c7b\u7b97\u6cd5\uff0c\u5c31\u662f<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6539\u8fdb\u7c7b\u522b\u6982\u7387\u4f30\u8ba1<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u6839\u636eA1\u3001A2\u3001A3\u548cA4\u5230P\u70b9\u8ddd\u79bb\u8fdb\u884c\u52a0\u6743\u8ba1\u7b97\uff0c<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"text-align: center; line-height: 1.5em;\"><img style=\"width:139px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/6e8d2c830f090e5fd3cb05cf774d6ca2.jpg\"\/><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><img style=\"width\uff1a237px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/4f9cac171f336d29db84aeec3cf9db6d.jpg\"\/><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8ddd\u79bb\u8d8a\u5c0f\u8d8a\u76f8\u4f3c\uff0c\u6240\u4ee5\u5f53K=2,3,4\u65f6\uff0cp\u5206\u522b\u5c5e\u4e8eA,A,A\u3002<br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8fd9\u53ea\u662f\u4ece\u6700\u57fa\u672c\u7684\u6570\u5b57\u4e0a\u6765\u770bK\u8fd1\u90bb\u5206\u7c7b\u7b97\u6cd5\uff0c\u90a3\u5728\u751f\u6d3b\u4e2d\u5982\u4f55\u8fd0\u7528K\u8fd1\u90bb\u5206\u7c7b\u7b97\u6cd5\u5462\uff1f\u9996\u5148\uff0c\u5c0f\u7f16\u5f52\u7eb3K-\u8fd1\u90bb\u7b97\u6cd5\u7684\u4e00\u822c\u6d41\u7a0b\u6709\u4ee5\u4e0b\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff081\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6536\u96c6\u6570\u636e<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u53ef\u4ee5\u4f7f\u7528\u4efb\u4f55\u65b9\u6cd5\u3002<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff082\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u51c6\u5907\u6570\u636e<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u8ddd\u79bb\u8ba1\u7b97\u6240\u9700\u8981\u7684\u6570\u503c\uff0c\u6700\u597d\u662f\u7ed3\u6784\u5316\u7684\u6570\u636e\u683c\u5f0f<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff083\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5206\u6790\u6570\u636e<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u4f7f\u7528Matplotlib\u753b\u4e8c\u7ef4\u6269\u6563\u56fe<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff084\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8bad\u7ec3\u7b97\u6cd5<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u6b64\u6b65\u9aa4\u4e0d\u9002\u7528\u4e8eK-\u8fd1\u90bb\u7b97\u6cd5<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff085\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6d4b\u8bd5\u7b97\u6cd5<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u8ba1\u7b97\u9519\u8bef\u7387<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff086\uff09<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4f7f\u7528\u7b97\u6cd5<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff1a\u4ea7\u751f\u7b80\u5355\u7684\u547d\u4ee4\u884c\u7a0b\u5e8f\uff0c\u8f93\u5165\u4e00\u4e9b\u7279\u5f81\u6570\u636e\u6d4b\u8bd5\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; font-size: 14px; color: rgb(127, 127, 127);\">\u6ce8\uff1a\u5728KNN\u4e2d\uff0c\u901a\u8fc7\u8ba1\u7b97\u5bf9\u8c61\u95f4\u8ddd\u79bb\u6765\u4f5c\u4e3a\u5404\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u7684\u975e\u76f8\u4f3c\u6027\u6307\u6807\uff0c\u907f\u514d\u4e86\u5bf9\u8c61\u4e4b\u95f4\u7684\u5339\u914d\u95ee\u9898\uff0c\u6b64\u5904\u8ddd\u79bb\u4f7f\u7528\u4e86\u6b27\u6c0f\u8ddd\u79bb\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K-\u8fd1\u90bb\u7b97\u6cd5\u5c5e\u4e8e\u60f0\u6027\u5b66\u4e60\uff0c\u4f46\u5176<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8ba1\u7b97\u590d\u6742\u5ea6\u8f83\u9ad8<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u56e0\u4e3a\u6bcf\u8fdb\u65b0\u6837\u672c\uff0c\u90fd\u9700\u8981\u4e0e\u6570\u636e\u96c6\u4e2d\u6bcf\u4e2a\u6570\u636e\u8fdb\u884c\u8ddd\u79bb\u8ba1\u7b97\uff0c\u8ba1\u7b97\u590d\u6742\u5ea6\u548c\u6570\u636e\u96c6\u4e2d\u7684\u6570\u636e\u6570\u76een\u6210\u6b63\u6bd4\uff1b\u53e6\u4e00\u4e2a\u662f<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K\u7684\u53d6\u503c\u95ee\u9898<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0cK\u53d6\u4e0d\u540c\u503c\u65f6\uff0c\u5206\u7c7b\u7ed3\u679c\u53ef\u80fd\u4f1a\u6709\u663e\u7740\u4e0d\u540c\u3002\u4e00\u822cK\u7684\u53d6\u503c<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4e0d\u8d85\u8fc720<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u4e0a\u9650\u662fn\u7684\u5f00\u65b9\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c\u6709\u7684\u874c\u86aa\u4eec\u53ef\u80fd\u4e0d\u77e5\u9053K\u7684\u53d6\u503c\u4e3a\u4f55\u4e0d\u8d85\u8fc720\uff0c\u5c0f\u7f16\u627e\u4e86\u4e00\u4e0b\u53ef\u4ee5\u8ba9\u81ea\u5df1\u63a5\u53d7\u8fd9\u4e2a\u89c2\u70b9\u7684\u7406\u7531\uff0c\u5728\u6b64\u53ef\u4ee5\u7528<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">Iris\u6570\u636e\u96c6<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u7a0d\u5fae\u89e3\u91caK\u7684\u53d6\u503c\u4e3a\u4f55\u4e0d\u8d85\u8fc720\u3002\uff08\u6ce8\u610f\uff0c\u6b64\u5904\u5e77\u975e\u8bc1\u660eK\u4e0d\u8d85\u8fc720\uff09<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"color: rgb(227, 108, 9);\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><\/span><\/strong><\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">Iris\u6570\u636e\u96c6<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u662f\u5e38\u7528\u7684\u5206\u7c7b\u5b9e\u9a8c\u6570\u636e\u96c6\uff0c\u7531Fisher, 1936\u6536\u96c6\u6574\u7406\uff0c\u4e5f\u79f0<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9e22\u5c3e\u82b1\u5349\u6570\u636e\u96c6<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u662f\u4e00\u7c7b<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u591a\u91cd\u53d8\u91cf\u5206\u6790<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u7684\u6570\u636e\u96c6\u3002\u6570\u636e\u96c6\u5305\u542b150\u4e2a\u6570\u636e\u96c6\uff0c\u5206\u4e3a3\u7c7b\uff0c\u6bcf\u7c7b50\u4e2a\u6570\u636e\uff0c\u6bcf\u4e2a\u6570\u636e\u5305\u542b4\u4e2a\u5c5e\u6027\u3002\u53ef\u901a\u8fc7\u82b1\u843c\u957f\u5ea6\uff0c\u82b1\u843c\u5bbd\u5ea6\uff0c\u82b1\u74e3\u957f\u5ea6\uff0c\u82b1\u74e3\u5bbd\u5ea64\u4e2a\u5c5e\u6027\u9884\u6d4b\u9e22\u5c3e\u82b1\u5349\u5c5e\u4e8e\uff08Setosa\uff0cVersicolour\uff0cVirginica\uff09\u4e09\u4e2a\u79cd\u7c7b\u4e2d\u7684\u54ea\u4e00\u7c7b\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u76f4\u63a5\u6765\u770bK\u7684\u53d6\u503c\u4e0e\u9884\u6d4b\u51c6\u786e\u6027\u7684\u5173\u7cfb\u56fe\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u82e5<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K=60<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u6709<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<img style=\"width:403px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/a521714393d28bc931212aaf37677e7d.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u82e5<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">K=30<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u6709<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:411px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/4dfd74118161b43d8483c82ec41c95da.jpg\"\/><\/span><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u73b0\u5728\u8ba9\u5c0f\u7f16\u5e26\u9886\u874c\u86aa\u4eec\u63a2\u7d22\u300a\u673a\u5668\u5b66\u4e60\u5b9e\u6218\u300b\u4e2d\u4e00\u4e2a\u5f88\u6709\u610f\u601d\u7684\u4f8b\u5b50\u2014\u2014<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6d77\u4f26\u5fc3\u4e2d\u7684\u90a3\u4e00\u4f4d\u5230\u5e95\u662f\u8c01\uff1f<\/span><\/strong><\/p>\n<p><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4e0b\u9762\u6211\u4eec\u6765\u770b\u5177\u4f53\u64cd\u4f5c\uff1a<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6d77\u4f26\u6536\u96c6\u7684\u6570\u636e\u662f\u8bb0\u5f55\u6bcf\u4f4d\u5609\u5bbe\u7684\u4e09\u4e2a\u7279\u5f81\uff1a<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6bcf\u5e74\u83b7\u5f97\u7684\u98de\u884c\u5e38\u5ba2\u91cc\u7a0b\u6570\u3001\u73a9\u89c6\u9891\u6e38\u620f\u6240\u6d88\u8017\u7684\u65f6\u95f4\u767e\u5206\u6bd4\u3001\u6bcf\u5468\u6d88\u8d39\u7684\u51b0\u6dc7\u6dcb\u516c\u5347\u6570<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u3002\u6570\u636e\u662ftxt\u683c\u5f0f\u6587\u4ef6\uff0c\u5982\u4e0b\u56fe\uff0c\u524d\u4e09\u5217\u4f9d\u6b21\u662f\u4e09\u4e2a\u7279\u5f81\uff0c\u7b2c\u56db\u5217\u662f\u5206\u7c7b\uff081\uff1a\u4e0d\u559c\u6b22\u7684\u4eba\uff0c2\uff1a\u9b45\u529b\u4e00\u822c\u7684\u4eba\uff0c3\uff1a\u6781\u5177\u9b45\u529b\u7684\u4eba\uff09\uff0c\u6bcf\u4e00\u884c\u4ee3\u8868\u4e00\u4f4d\u5609\u5bbe<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"><img style=\"width:448px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/36d9c555668d1b3515592203d868f446.jpg\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5171\u670917\u6761\u6570\u636e\uff0c\u9700\u8981\u5c06\u8fd9\u4e9b\u6570\u636e\u5b58\u5230\u77e9\u9635\u4e2d\uff0c\u7528\u77e9\u9635\u6765\u627f\u88c5\u8fd9\u4e9b\u6570\u636e\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9700\u8981\u4e24\u4e2a\u77e9\u9635\uff1a\u4e00\u4e2a\u627f\u88c5<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4e09\u4e2a\u7279\u5f81\u6570\u636e<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u4e00\u4e2a\u627f\u88c5<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5bf9\u5e94\u7684\u5206\u7c7b<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(227, 108, 9);\"><\/span>\u3002<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4e8e\u662f\uff0c\u6211\u4eec\u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u51fd\u6570\u7684\u8f93\u5165\u65f6\u6570\u636e\u6587\u6863\uff08txt\u683c\u5f0f\uff09\uff0c\u8f93\u51fa\u4e3a\u4e24\u4e2a\u77e9\u9635\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"><img style=\"width:327px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/f04adf494051cb4827d2cea9be3a3858.jpg\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u4ee5\u5927\u6982\u770b\u4e0b\u8fd917\u6761\u6570\u636e\u7684\u6563\u70b9\u56fe\u5206\u5e03\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:786px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_8fc5d0c19113\/ab142874405ef67901e51436918e0470.png\"\/><img style=\"width:532px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/e5d784e7e3ecfa472e4ea4a8d7a81ff4.jpg\"\/>&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u8ba1\u7b97\u6837\u672c11\u548c\u6837\u672c12\u4e4b\u95f4\u7684\u8ddd\u79bb\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:838;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/c3463d8e85fcdff00e1bad25cf981694.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u4ee5\u770b\u5230\uff0c<\/span><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u6bcf\u5e74\u83b7\u5f97\u7684\u98de\u884c\u5e38\u5ba2\u91cc\u7a0b\u6570<\/span><\/strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5bf9\u4e8e\u8ba1\u7b97\u7ed3\u679c\u7684\u5f71\u54cd\u8fdc\u8fdc\u5927\u4e8e\u5176\u4ed6\u4e24\u4e2a\u7279\u5f81\u3002\u4f46\u8fd9\u4e09\u4e2a\u7279\u5f81\u662f\u540c\u7b49\u91cd\u8981\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u91c7\u7528\u65b9\u6cd5\u662f\u5c06\u6570\u503c\u5f52\u4e00\u5316\u5904\u7406\uff0c\u53d6\u503c\u8303\u56f4\u4e3a0,1\u4e4b\u95f4\u6216\u8005-1\u52301\u4e4b\u95f4\u3002<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u516c\u5f0f\uff1a<\/span><\/strong><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">newValue = (oldValue &#8211; min) \/ (max &#8211; min)<\/span><\/strong><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:415px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/2fb0f6ea708e679c8247c18bb769dcc5.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5f52\u4e00\u5316\u540e\u7684\u6570\u636e\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:327px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/b16d69dcf11dc511e21435d830aadc0b.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u6d4b\u8bd5\u7b97\u6cd5\uff1a<\/span><span style=\"color: rgb(38, 38, 38);\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u4f5c\u4e3a\u5b8c\u6574\u7a0b\u5e8f\u9a8c\u8bc1\u5206\u7c7b\u5668<\/span><\/strong><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"color: rgb(227, 108, 9);\"><\/span>\u3002<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><\/span><\/p>\n<p><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9996\u5148\u5c06\u6837\u672c\u6570\u636e\u5206\u4e00\u534a\u4e3a<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>\u6d4b\u8bd5\u96c6<\/strong><\/span>\uff0c\u4e00\u534a\u4e3a<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>\u8bad\u7ec3\u96c6<\/strong><\/span><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(227, 108, 9);\"><\/span><\/span><\/p>\n<p style=\"text-align: center;\"><img style=\"width:494;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/261a17ed5b03962daf2451ac33a94716.jpg\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5f53K = 3\u65f6\uff0c<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center;\">\u5f53<\/span>K = 4<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center;\">\u65f6<\/span>\uff0c<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9519\u8bef\u7387<\/span><\/strong><\/span>\u662f\u591a\u5c11\uff1f<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u4ee5\u8bd5\u4e00\u4e0b,\u5f53<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K = 3<\/strong><\/span>\u65f6\u6709\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/1bc4ad7b5008d07e6d622dff01a549af.jpg\" style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; text-align: center; white-space: normal; max-width: 100%;border:0px;\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">&nbsp;<\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u800c\u5f53<span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K = 4 <\/strong><\/span>\u65f6\uff0c\u6d4b\u8bd5\u7ed3\u679c\u4e3a12.500000%<\/span><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u5c06<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K = 1,\u20269<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5747\u8fdb\u884c\u6d4b\u8bd5\uff0c\u6709\uff1a<\/span><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><br \/><\/span><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><img style=\"width:250px;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/c5a39435d93961d22cf00edc054ec513.jpg\"\/><\/span><\/p>\n<p style=\"line-height: 1.5em;\"><\/p>\n<p style=\"line-height: 1.5em; text-align: center;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u4ee5\u53c2\u8003<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K = 2 \u6216K = 4\u65f6\u9519\u8bef\u7387\u6700\u4f4e<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u3002<\/span><\/p>\n<p><\/p>\n<p style=\"text-align: center;\"><img style=\"width:464;max-width:100%;border:0px;\" src=\"http:\/\/microdata2-api.ersinfotech.com\/file\/downloadfiles\/gh_7d575ee8da8d\/047ea54a103c73ce93cd2b137df6278a.jpg\"\/><\/p>\n<p><\/p>\n<p style=\"line-height: 1.5em;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u9009<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K = 4<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\uff0c\u8f93\u5165\u5609\u5bbe\u6bcf\u5e74\u83b7\u5f97\u7684\u98de\u884c\u5e38\u5ba2\u91cc\u7a0b\u6570\u662f\uff1a40000\uff1b\u6bcf\u5468\u6d88\u8d39\u7684\u51b0\u6fc0\u6dcb\u516c\u5347\u6570\u662f\uff1a0.9\uff1b\u73a9\u89c6\u9891\u6e38\u620f\u6240\u6d88\u8017\u65f6\u95f4\uff1a9\u3002\u8f93\u51falargeDoses \u3002\u6709<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>87.5%\u7684\u628a\u63e1<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u53ef\u4ee5\u8ba4\u4e3a\u8fd9\u4f4d\u5609\u5bbe\u5bf9\u6d77\u4f26\u6765\u8bf4\u662f\u6781\u5177\u9b45\u529b\u7684\u4eba\u3002<\/span><\/p>\n<section style=\"background-color: rgb(255, 255, 255); box-sizing: border-box;\">\n<section class=\"Powered-by-XIUMI V5\" style=\"box-sizing: border-box;\" powered-by=\"xiumi.us\">\n<section style=\"position: static; box-sizing: border-box;\">\n<section style=\"box-sizing: border-box;\"><\/section>\n<\/section>\n<\/section>\n<section class=\"Powered-by-XIUMI V5\" style=\"box-sizing: border-box;\" powered-by=\"xiumi.us\">\n<section style=\"position: static; box-sizing: border-box;\">\n<section style=\"box-sizing: border-box;\">\n<p style=\"margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u5982\u9700\u4e0b\u8f7d\u672c\u6587\u7684\u4f8b\u5b50\u7684Python\u4ee3\u7801\uff0c\u8bf7\u5173\u6ce8\u201c<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>\u535a\u6613\u6570\u636e<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u201d\u516c\u4f17\u53f7\uff08\u5fae\u4fe1\u53f7\uff1a boyidata\uff09\u5e76\u53d1\u9001\u201c<\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\"><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;; color: rgb(38, 38, 38);\"><strong>K\u8fd1\u90bb\u7b97\u6cd5<\/strong><\/span><\/span><span style=\"font-family: \u5fae\u8f6f\u96c5\u9ed1, &quot;Microsoft YaHei&quot;;\">\u201d\u83b7\u53d6\u3002<br \/><\/span><\/p>\n<p style=\"margin-top: 0px; margin-bottom: 0px; padding: 0px; box-sizing: border-box;\"><\/p>\n<\/section>\n<\/section>\n<\/section>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p class=\"qua-blog-post-description\">\u5e38\u8bf4\u201c\u5973\u4eba\u5fc3\u6d77\u5e95\u9488\u201d\u201c\u5973\u4eba\u5fc3\u4e8b\u4f60\u522b\u731c\u201d\uff0c\u4f46\u7537\u4eba\u53c8\u4f55\u5c1d\u4e0d\u662f\uff1f\u60f3\u77e5\u9053\u4f60\u662f\u4f60\u5973\u795eor\u7537\u795e\u5fc3\u4e2d\u7684\u90a3\u4e00\u4f4d\u5417\uff1f\u5bb9\u5c0f\u7f16\u6390\u300cK [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":277,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u3011\u4f60\u662f\u4f60\u5973\u795eor\u7537\u795e\u5fc3\u4e2d\u7684\u90a3\u4e00\u4f4d\u5417\uff1f - \u535a\u6613\u6578\u64da - https:\/\/www.boyidata.cn<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, 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