{"id":18537,"date":"2021-05-11T19:33:28","date_gmt":"2021-05-11T11:33:28","guid":{"rendered":"https:\/\/blog.tibame.com\/?p=18537"},"modified":"2021-06-28T11:47:24","modified_gmt":"2021-06-28T03:47:24","slug":"ai60%e5%95%8f-q27k%e5%9d%87%e5%80%bc%e9%9b%86%e7%be%a4%ef%bc%88k-means%ef%bc%89%e7%ae%97%e6%b3%95%e6%98%af%e4%bb%80%e9%ba%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/blog.tibame.com\/?p=18537","title":{"rendered":"\u3010AI60\u554f\u3011Q27K\u5747\u503c\u96c6\u7fa4\uff08K-means\uff09\u7b97\u6cd5\u662f\u4ec0\u9ebc\uff1f"},"content":{"rendered":"\n<p>K-means \u662f\u4e00\u7a2e\u805a\u985e (Cluster)\u7684\u65b9\u5f0f\uff0c\u57fa\u672c\u4e0a\u5c31\u662f\u4f9d\u7167\u300c\u7269\u4ee5\u985e\u805a\u300d\u7684\u65b9\u5f0f\u5728\u9032\u884c\u3002\u4e5f\u53ef\u80fd\u60f3\u6210\uff0c\u76f8\u4f3c\u7684\u6771\u897f\u6709\u76f8\u4f3c\u7684\u7279\u5fb5\uff0c\u7d66\u4e88\u4e00\u7d44\u8cc7\u6599\uff0c\u5c07\u5b83\u5206\u70ba k \u985e\uff08k\u7531\u4f7f\u7528\u8005\u8a2d\u5b9a\uff09\uff0c\u9019\u5c31\u662fK-means\u7684\u7528\u8655\u3002 <\/p>\n\n\n\n<p>\u805a\u985e\u7684\u65b9\u6cd5\u5927\u591a\u662f\u975e\u76e3\u7763\u5f0f\u5b78\u7fd2\uff0c\u7fa4\u5167\u7684\u5c0d\u8c61\u8d8a\u76f8\u4f3c\uff0c\u96c6\u7fa4\u7684\u6548\u679c\u5c31\u8d8a\u597d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-verse\">*\u805a\u985e Cluster\uff1a\u4e00\u7a2e\u5c07\u8cc7\u6599\u5206\u985e\u6210\u7fa4\u7684\u65b9\u6cd5\uff0c<br \/>\u70ba\u4e00\u7a2e\u975e\u76e3\u7763\u5f0f\u5b78\u7fd2\uff0c\u4e5f\u5c31\u662f\u8a13\u7df4\u8cc7\u6599\u6c92\u6709\u9810\u5148\u5b9a\u7fa9\u7684\u6a19\u7c64\u3002<\/pre>\n\n\n\n<p>\u800c\u4ec0\u9ebc\u662f\u975e\u76e3\u7763\u5b78\u7fd2\uff1f<\/p>\n\n\n\n<p>\u5176\u5be6\u76e3\u7763\u5f0f\u5b78\u7fd2\u3001\u975e\u76e3\u7763\u5f0f\u5b78\u7fd2\u4e4b\u9593\u7684\u5dee\u5225\uff0c\u4e3b\u8981\u5728\u65bc\u76ee\u6a19\u9810\u6e2c\u8b8a\u6578\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u76e3\u7763\u5b78\u7fd2 supervised learning<\/strong>\uff1a\u6709\u76ee\u6a19\u8b8a\u6578\u53bb\u8a13\u7df4\u6a21\u578b\uff0c\u5373\u5c0d\u5177\u6709\u6982\u5ff5\u6a19\u8a18\uff08\u5206\u985e\uff09\u7684\u8a13\u7df4\u6a23\u672c\u9032\u884c\u5b78\u7fd2\uff0c\u76e1\u53ef\u80fd\u5c0d\u8a13\u7df4\u6a23\u672c\u96c6\u5916\u7684\u6578\u64da\u9032\u884c\u6a19\u8a18\uff08\u5206\u985e\uff09\u9810\u6e2c\uff0c\u6240\u4ee5\u6a21\u578b\u8a55\u4f30\u8b1b\u6c42\u6e96\u5ea6\u3002\u5982\uff1a\u795e\u7d93\u7db2\u7d61\u3001\u6c7a\u7b56\u6a39<\/li><\/ul>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u975e\u76e3\u7763\u5b78\u7fd2 unsupervised learning<\/strong>\uff1a\u627e\u51fa\u8f38\u5165\u8b8a\u6578\u9593\u7684\u5167\u90e8\u95dc\u4fc2\u8207\u8cc7\u6599\u5f62\u8c8c\uff0c\u627e\u51fa\u8cc7\u6599\u9593\u5927\u81f4\u5206\u5e03\u7684\u8da8\u52e2\uff0c\u6c92\u6709\u8981\u9810\u6e2c\u5c0d\u8c61\u3002\u5c0d\u6c92\u6709\u6982\u5ff5\u6a19\u8a18\uff08\u5206\u985e\uff09\u7684\u8a13\u7df4\u6a23\u672c\u9032\u884c\u5b78\u7fd2\uff0c\u4ee5\u767c\u73fe\u8a13\u7df4\u6a23\u672c\u96c6\u4e2d\u7684\u7d50\u69cb\u6027\u77e5\u8b58\uff0c\u5b83\u53ea\u6709\u8cc7\u6599\u672c\u8eab\u3002\u5982\uff1a\u96c6\u7fa4<\/li><\/ul>\n\n\n\n<p>K-means \u4e0d\u53ea\u53ef\u4ee5\u62ff\u4f86\u5206\u985e\u6d88\u8cbb\u8005\uff0c\u512a\u5316\u884c\u92b7\u6d3b\u52d5\u3001\u907f\u514d\u5ba2\u6236\u6d41\u5931\uff1b\u9084\u80fd\u5224\u65b7\u91d1\u878d\u4ea4\u6613\u662f\u5426\u7570\u5e38\uff0c\u5075\u6e2c\u662f\u5426\u8a50\u6b3a\uff1b\u751a\u81f3\u5e6b\u5fd9\u6b78\u985eIT\u6280\u8853\u5167\u7684\u4e0d\u540c\u8b66\u8a0a\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u5167\u5bb9\u76ee\u9304<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#K-%E5%9D%87%E5%80%BC%EF%BC%88K-means%EF%BC%89%E9%9B%86%E7%BE%A4%E7%AE%97%E6%B3%95\" >K-\u5747\u503c\uff08K-means\uff09\u96c6\u7fa4\u7b97\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#K_means_%E6%B5%81%E7%A8%8B\" >K means \u6d41\u7a0b<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E5%88%9D%E5%A7%8B%E5%80%BC%E8%A8%AD%E5%AE%9A\" >\u521d\u59cb\u503c\u8a2d\u5b9a<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E3%80%90%E7%89%B9%E5%88%A5%E6%B3%A8%E6%84%8F%EF%BC%9AK%E5%80%8B%E7%BE%A4%E9%BB%9E%E3%80%91\" >\u3010\u7279\u5225\u6ce8\u610f\uff1aK\u500b\u7fa4\u9ede\u3011<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E5%88%9D%E5%A7%8B%E8%B3%AA%E5%BF%83%E7%9A%84%E9%81%B8%E5%8F%96\" >\u521d\u59cb\u8cea\u5fc3\u7684\u9078\u53d6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E8%B7%9D%E9%9B%A2%E7%9A%84%E5%BA%A6%E9%87%8F\" >\u8ddd\u96e2\u7684\u5ea6\u91cf<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E8%B3%AA%E5%BF%83%E7%9A%84%E8%A8%88%E7%AE%97\" >\u8cea\u5fc3\u7684\u8a08\u7b97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E7%AE%97%E6%B3%95%E5%81%9C%E6%AD%A2%E6%A2%9D%E4%BB%B6\" >\u7b97\u6cd5\u505c\u6b62\u689d\u4ef6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#K-means%E7%9A%84%E5%84%AA%E7%BC%BA%E9%BB%9E\" >K-means\u7684\u512a\u7f3a\u9ede<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#%E5%85%B6%E4%BB%96%E5%B9%BE%E7%A8%AE%E9%9B%86%E7%BE%A4%E7%AE%97%E6%B3%95\" >\u5176\u4ed6\u5e7e\u7a2e\u96c6\u7fa4\u7b97\u6cd5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/blog.tibame.com\/?p=18537\/#K-means_%E8%88%87KNN%EF%BC%9F\" >K-means \u8207KNN\uff1f<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K-%E5%9D%87%E5%80%BC%EF%BC%88K-means%EF%BC%89%E9%9B%86%E7%BE%A4%E7%AE%97%E6%B3%95\"><\/span>K-\u5747\u503c\uff08K-means\uff09\u96c6\u7fa4\u7b97\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-1024x710.png\" alt=\"\" class=\"wp-image-18541\" width=\"493\" height=\"341\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-1024x710.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-300x208.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-768x532.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-1170x811.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1-585x405.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-1.png 1209w\" sizes=\"(max-width: 493px) 100vw, 493px\" \/><figcaption>\u571627-1  K-means \u4f9d k=3 \u5c07\u8cc7\u6599\u5206\u6210 3 \u985e <\/figcaption><\/figure><\/div>\n\n\n\n<p>\u96c6\u7fa4\u5206\u6790\uff08cluster analysis\uff09\u8a66\u5716\u5c07\u76f8\u4f3c\u5c0d\u8c61\u6b78\u5165\u540c\u4e00\u7fa4\uff0c\u5c07\u4e0d\u76f8\u4f3c\u5c0d\u8c61\u6b78\u5230\u4e0d\u540c\u7fa4\u3002<\/p>\n\n\n\n<p>K-\u5747\u503c\uff08K-means\uff09\u6703\u6839\u64da\u4e8b\u5148\u9078\u64c7K\u500b\u521d\u59cb\u4e2d\u5fc3\u9ede\uff08centroid\uff09\u9032\u884c\u96c6\u7fa4\uff0c\u5373\u5f97\u5230K\u500b\u7fa4\uff0c\u4e14\u4e0d\u540c\u7fa4\u7684\u4e2d\u5fc3\u63a1\u7528\u7fa4\u4e2d\u6240\u542b\u6709\u7684\u5747\u503c\u8a08\u7b97\u800c\u6210\u3002<\/p>\n\n\n\n<p>\u800cK-\u5747\u503c\u662f\u767c\u73fe\u7d66\u5b9a\u6578\u64da\u96c6\u7684k\u500b\u7fa4\u7684\u7b97\u6cd5\u3002\u7fa4\u500b\u6578k\u662f\u7528\u6236\u7d66\u5b9a\u7684\uff0c\u6bcf\u500b\u7fa4\u901a\u904e\u5176\u8cea\u5fc3\uff08centroid\uff09\uff0c\u5373\u7fa4\u4e2d\u7684\u6240\u6709\u9ede\u7684\u4e2d\u5fc3\u4f86\u63cf\u8ff0\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K_means_%E6%B5%81%E7%A8%8B\"><\/span><strong>K means \u6d41\u7a0b<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>K-means\u4f7f\u7528\u5169\u6b65\u9a5f\u7684\u758a\u4ee3\u65b9\u5f0f\u6c42\u89e3\uff0c\u5b8c\u6574\u7684\u6d41\u7a0b\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>Step1\uff1a\u96a8\u6a5f\u9078\u53d6\u8cc7\u6599\u7d44\u4e2d\u7684k\u7b46\u8cc7\u6599\uff0c\u7576\u4f5c\u521d\u59cb\u7fa4\u4e2d\u5fc3u1~uk<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-1024x427.png\" alt=\"\" class=\"wp-image-18547\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-1024x427.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-300x125.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-768x320.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-1170x488.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2-585x244.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-2.png 1501w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u571627-2 \u6b65\u9a5f1  \u96a8\u6a5f\u9078\u53d6\u7fa4\u4e2d\u5fc3<\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Step2\uff1a\u8a08\u7b97\u6bcf\u500b\u8cc7\u6599xi \u5c0d\u61c9\u5230\u6700\u77ed\u8ddd\u96e2\u7684\u7fa4\u4e2d\u5fc3 (<strong>\u56fa\u5b9a u<sub>i<\/sub>&nbsp;\u6c42\u89e3\u6240\u5c6c\u7fa4 S<sub>i<\/sub><\/strong>)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-1024x427.png\" alt=\"\" class=\"wp-image-18543\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-1024x427.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-300x125.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-768x320.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-1170x488.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3-585x244.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-3.png 1501w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u571627-3 \u6b65\u9a5f2   \u8a08\u7b97\u6bcf\u500b\u8cc7\u6599\u5230\u5404\u985e\u5225\u4e2d\u5fc3\u8ddd\u96e2\uff0c\u4ee5\u6700\u77ed\u8ddd\u96e2\u627e\u51fa\u6240\u5c6c\u7fa4 <\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Step3\uff1a\u5229\u7528\u76ee\u524d\u5f97\u5230\u7684\u5206\u985e\u91cd\u65b0\u8a08\u7b97\u7fa4\u4e2d\u5fc3&nbsp;(<strong>\u56fa\u5b9a S<sub>i<\/sub>&nbsp;\u6c42\u89e3\u7fa4\u4e2d\u5fc3 u<sub>i<\/sub><\/strong>)<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" width=\"1024\" height=\"427\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-1024x427.png\" alt=\"\" class=\"wp-image-18544\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-1024x427.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-300x125.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-768x320.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-1170x488.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4-585x244.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-4.png 1501w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u571627-4  \u5229\u7528\u5206\u7fa4\u7d50\u679c\u91cd\u65b0\u8a08\u7b97\u7fa4\u4e2d\u5fc3<\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Step4\uff1a\u91cd\u8907step2\u8ddf3\uff0c\u76f4\u5230\u6536\u6582\uff08\u9054\u5230\u6700\u5927\u758a\u4ee3\u6b21\u6578 \u6216\u662f \u7fa4\u4e2d\u5fc3\u79fb\u52d5\u8ddd\u96e2\u5f88\u5c0f\uff09<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%9D%E5%A7%8B%E5%80%BC%E8%A8%AD%E5%AE%9A\"><\/span><strong>\u521d\u59cb\u503c\u8a2d\u5b9a<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5927\u6982\u4e86\u89e3\u300cK-means\u300d\u7684\u6d41\u7a0b\u5f8c\uff0c\u53ef\u4ee5\u767c\u73fe\u4e00\u958b\u59cb\u7684\u7fa4\u4e2d\u5fc3\u662f\u4e0d\u56fa\u5b9a\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\u540c\u4e00\u7b46\u8cc7\u6599\u7528K-means\u8dd15\u6b21\uff0c5\u6b21\u7684\u7d50\u679c\u53ef\u80fd\u90fd\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u770b\u4e00\u500b\u6bd4\u8f03\u6975\u7aef\u7684\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-1024x804.png\" alt=\"\" class=\"wp-image-18545\" width=\"588\" height=\"461\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-1024x804.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-300x235.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-768x603.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-1170x918.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5-585x459.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-5.png 1501w\" sizes=\"(max-width: 588px) 100vw, 588px\" \/><figcaption>\u571627-5 \u4e0d\u540c\u521d\u59cb\u7fa4\u4e2d\u5fc3\u9078\u64c7\uff0c\u9020\u6210\u5206\u7fa4\u7d50\u679c\u5dee\u7570<\/figcaption><\/figure><\/div>\n\n\n\n<p>\u7531\u4e0a\u5716\u53ef\u4ee5\u767c\u73fe\uff0c\u82e5\u521d\u59cb\u7fa4\u4e2d\u5fc3\u8a2d\u5b9a\u4e0d\u597d\uff0c\u6709\u53ef\u80fd\u5c0e\u81f4\u4e0d\u6703\u7684\u7d50\u679c\uff0c\u4f46\u5c31\u6b63\u5e38\u60c5\u6cc1\u800c\u8a00\uff0c\u300cK-means\u300d\u7b97\u662f\u901f\u5ea6\u5feb\u3001\u6548\u679c\u4e0d\u5dee\u7684\u6f14\u7b97\u6cd5\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E3%80%90%E7%89%B9%E5%88%A5%E6%B3%A8%E6%84%8F%EF%BC%9AK%E5%80%8B%E7%BE%A4%E9%BB%9E%E3%80%91\"><\/span>\u3010\u7279\u5225\u6ce8\u610f\uff1aK\u500b\u7fa4\u9ede\u3011<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u90a3\u8981\u5982\u4f55\u78ba\u5b9a K\uff1f<\/p>\n\n\n\n<p>K\u500b\u521d\u59cb\u8cea\u5fc3\uff0cK\u662f\u9810\u5148\u7d66\u5b9a\u7684\u96c6\u7fa4\u6578\uff0c\u6307\u7684\u662f\u300c\u6240\u671f\u671b\u7684\u7fa4\u7684\u500b\u6578\u300d\u3002\u800cK\u500b\u7fa4\u9ede\u7684\u9078\u53d6\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u9078\u64c7\u5f7c\u6b64\u8ddd\u96e2\u5118\u53ef\u80fd\u9060\u7684K\u500b\u9ede<\/li><li>\u96a8\u6a5f\u9078\u64c7\u4e00\u500b\u9ede\uff0c\u4f5c\u70ba\u7b2c\u4e00\u500b\u521d\u59cb\u985e\u7fa4\u4e2d\u5fc3\u9ede<\/li><li>\u9078\u64c7\u8ddd\u96e2\u8a72\u9ede\u6700\u9060\u7684\u9ede\uff0c\u4f5c\u70ba\u7b2c\u4e8c\u500b\u521d\u59cb\u985e\u7fa4\u4e2d\u5fc3\u9ede<\/li><li>\u9078\u64c7\u8ddd\u96e2\u524d\u5169\u500b\u9ede\u7684\u6700\u8fd1\u8ddd\u96e2\u6700\u5927\u7684\u9ede\uff0c\u4f5c\u70ba\u7b2c\u4e09\u500b\u521d\u59cb\u985e\u7fa4\u7684\u4e2d\u5fc3\u9ede<\/li><\/ol>\n\n\n\n<p>\u4ee5\u6b64\u985e\u63a8\uff0c\u76f4\u81f3\u9078\u51faK\u500b\u521d\u59cb\u985e\u7fa4\u4e2d\u5fc3\u9ede\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%88%9D%E5%A7%8B%E8%B3%AA%E5%BF%83%E7%9A%84%E9%81%B8%E5%8F%96\"><\/span>\u521d\u59cb\u8cea\u5fc3<strong>\u7684\u9078\u53d6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u96a8\u6a5f\u9078\u53d6\u521d\u59cb\u8cea\u5fc3\uff0c\u4f46\u9019\u6a23\u7fa4\u7684\u8cea\u91cf\u5e38\u5e38\u5f88\u5dee\uff0c\u53ea\u662f\u53d6\u4e00\u500b\u6a23\u672c\uff0c\u4e26\u4f7f\u7528\u5c64\u6b21\u96c6\u7fa4\u6280\u8853\u5c0d\u5b83\u96c6\u7fa4\u3002\u5f9e\u5c64\u6b21\u96c6\u7fa4\u4e2d\u63d0\u53d6K\u500b\u7fa4\uff0c\u4e26\u7528\u9019\u4e9b\u7fa4\u7684\u8cea\u5fc3\u4f5c\u70ba\u521d\u59cb\u8cea\u5fc3\u3002<\/p>\n\n\n\n<p>\u96a8\u6a5f\u9078\u64c7\u7b2c\u4e00\u500b\u9ede\uff0c\u6216\u53d6\u6240\u6709\u9ede\u7684\u8cea\u5fc3\u4f5c\u70ba\u7b2c\u4e00\u500b\u9ede\u3002\u7136\u5f8c\uff0c\u5c0d\u65bc\u6bcf\u500b\u5f8c\u4f86\u7684\u521d\u59cb\u8cea\u5fc3\uff0c\u9078\u64c7\u96e2\u5df2\u7d93\u9078\u53d6\u904e\u7684\u521d\u59cb\u8cea\u5fc3\u6700\u9060\u7684\u9ede\u3002\u4f7f\u7528\u9019\u7a2e\u65b9\u6cd5\uff0c\u78ba\u4fdd\u9078\u64c7\u7684\u521d\u59cb\u8cea\u5fc3\u4e0d\u50c5\u662f\u96a8\u6a5f\u7684\uff0c\u4e14\u662f\u6563\u958b\u7684\u3002\u4f46\u662f\uff0c\u9019\u7a2e\u65b9\u6cd5\u53ef\u80fd\u9078\u4e2d\u96e2\u7fa4\u9ede\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u6c42\u96e2\u7576\u524d\u521d\u59cb\u8cea\u5fc3\u96c6\u6700\u9060\u7684\u9ede\u958b\u92b7\u4e5f\u975e\u5e38\u5927\u3002\u70ba\u4e86\u514b\u670d\u9019\u500b\u554f\u984c\uff0c\u901a\u5e38\u8a72\u65b9\u6cd5\u7528\u65bc\u9ede\u6a23\u672c\u3002\u7531\u65bc\u96e2\u7fa4\u9ede\u5f88\u5c11\uff0c\u5b83\u5011\u591a\u534a\u4e0d\u6703\u5728\u96a8\u6a5f\u6a23\u672c\u4e2d\u51fa\u73fe\u3002\u8a08\u7b97\u91cf\u4e5f\u5927\u5e45\u6e1b\u5c11\u3002\u5c0d\u6578\u64da\u7528\u5c64\u6b21\u96c6\u7fa4\u7b97\u6cd5\uff0c\u5f97\u5230K\u500b\u7fa4\u4e4b\u5f8c\uff0c\u5f9e\u6bcf\u500b\u985e\u7fa4\u4e2d\u9078\u64c7\u4e00\u500b\u9ede\uff0c\u8a72\u9ede\u53ef\u4ee5\u662f\u8a72\u985e\u7fa4\u7684\u4e2d\u5fc3\u9ede\uff0c\u6216\u8005\u662f\u8ddd\u96e2\u985e\u7fa4\u4e2d\u5fc3\u9ede\u6700\u8fd1\u7684\u90a3\u500b\u9ede\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%B7%9D%E9%9B%A2%E7%9A%84%E5%BA%A6%E9%87%8F\"><\/span><strong>\u8ddd\u96e2\u7684\u5ea6\u91cf<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li>\u6b50\u5e7e\u91cc\u5f97\u8ddd\u96e2 Euclidean distance\uff1a\u4e00\u7a2e\u7c21\u55ae\u76f4\u89c0\u4e14\u6709\u6548\u7684\u8ddd\u96e2\u5ea6\u91cf\u65b9\u5f0f\uff08\u76f4\u7dda\u8ddd\u96e2\u516c\u5f0f\uff09<\/li><li>\u9918\u5f26\u76f8\u4f3c\u5ea6 Cosine similarity\uff1a\u85c9\u6e2c\u91cf\u5169\u500b\u5411\u91cf\u593e\u89d2\u7684\u9918\u5f26\u503c\uff0c\u4f86\u5ea6\u91cf\u5b83\u5011\u4e4b\u9593\u7684\u76f8\u4f3c\u6027<\/li><\/ul>\n\n\n\n<p>\u5169\u8005\u90fd\u662f\u8a55\u5b9a\u500b\u9ad4\u9593\u5dee\u7570\u7684\u5927\u5c0f\uff0c\u7531\u65bc\u6b50\u5e7e\u91cc\u5f97\u8ddd\u96e2\u5ea6\u91cf\u6703\u53d7\u5230\u6307\u6a19\u4e0d\u540c\u55ae\u4f4d\u523b\u5ea6\u7684\u5f71\u97ff\uff0c\u6240\u4ee5\u6703\u4e00\u822c\u9700\u8981\u5148\u9032\u884c\u6a19\u6e96\u5316\uff0c\u540c\u6642\u8ddd\u96e2\u8d8a\u5927\uff0c\u500b\u9ad4\u9593\u5dee\u7570\u8d8a\u5927\u3002\u800c\u7a7a\u9593\u5411\u91cf\u9918\u5f26\u593e\u89d2\u7684\u76f8\u4f3c\u5ea6\u5ea6\u91cf\uff0c\u537b\u4e0d\u6703\u53d7\u6307\u6a19\u523b\u5ea6\u7684\u5f71\u97ff\uff0c\u9918\u5f26\u503c\u843d\u5728\u5340\u9593[-1,1]\uff0c\u503c\u8d8a\u5927\uff0c\u5dee\u7570\u8d8a\u5c0f\u3002<\/p>\n\n\n\n<p>\u6b50\u5e7e\u91cc\u5f97\u8ddd\u96e2\u8868\u73fe\u6578\u503c\u4e0a\u7684\u7d55\u5c0d\u5dee\u7570\uff0c\u800c\u9918\u5f26\u8ddd\u96e2\u5247\u662f\u65b9\u5411\u4e0a\u7684\u76f8\u5c0d\u5dee\u7570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%B3%AA%E5%BF%83%E7%9A%84%E8%A8%88%E7%AE%97\"><\/span><strong>\u8cea\u5fc3\u7684\u8a08\u7b97<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u7fa4\u7684\u8cea\u5fc3\u90fd\u662f\u5b83\u7684\u5747\u503c\uff0c\u5c31\u662f\u7528\u5411\u91cf\u5404\u7dad\u4f86\u53d6\u5f97\u300c\u5e73\u5747\u300d\u5373\u53ef\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" width=\"1024\" height=\"370\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-1024x370.png\" alt=\"\" class=\"wp-image-18546\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-1024x370.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-300x109.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-768x278.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-1170x423.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6-585x212.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/week6\u88fd\u5716_27-6.png 1501w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\u571627-6<\/figcaption><\/figure><\/div>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%AE%97%E6%B3%95%E5%81%9C%E6%AD%A2%E6%A2%9D%E4%BB%B6\"><\/span><strong>\u7b97\u6cd5\u505c\u6b62\u689d\u4ef6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u9054\u5230\u6700\u5927\u7684\u758a\u4ee3\u6b21\u6578 \u6216\u662f \u76ee\u6a19\u51fd\u6578\u9054\u5230\u6700\u512a\uff08\u7fa4\u4e2d\u5fc3\u79fb\u52d5\u8ddd\u96e2\u5f88\u5c0f\uff09\uff0c\u5c31\u53ef\u505c\u6b62\u3002\u4f46\u5c0d\u65bc\u4e0d\u540c\u7684\u8ddd\u96e2\u5ea6\u91cf\uff0c\u76ee\u6a19\u51fd\u6578\u5f80\u5f80\u4e0d\u540c\u3002<\/p>\n\n\n\n<p>\u7576\u63a1\u7528\u6b50\u5e7e\u91cc\u5f97\u8ddd\u96e2\u6642\uff0c\u76ee\u6a19\u51fd\u6578\u4e00\u822c\u70ba\u6700\u5c0f\u5316\u5c0d\u8c61\u5230\u5176\u7fa4\u8cea\u5fc3\u7684\u8ddd\u96e2\u7684\u5e73\u65b9\u548c\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/image-1.png\" alt=\"\" class=\"wp-image-18553\" width=\"360\" height=\"59\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/image-1.png 532w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/image-1-300x49.png 300w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/figure>\n\n\n\n<p>\u7576\u63a1\u7528\u9918\u5f26\u76f8\u4f3c\u5ea6\u6642\uff0c\u76ee\u6a19\u51fd\u6578\u4e00\u822c\u70ba\u6700\u5927\u5316\u5c0d\u8c61\u5230\u5176\u7fa4\u8cea\u5fc3\u7684\u9918\u5f26\u76f8\u4f3c\u5ea6\u548c\uff0c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/image-2.png\" alt=\"\" class=\"wp-image-18554\" width=\"390\" height=\"58\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/image-2.png 576w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/image-2-300x44.png 300w\" sizes=\"(max-width: 390px) 100vw, 390px\" \/><\/figure>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K-means%E7%9A%84%E5%84%AA%E7%BC%BA%E9%BB%9E\"><\/span>K-means\u7684\u512a\u7f3a\u9ede<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u512a\u9ede\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u64c5\u9577\u8655\u7406\u7403\u72c0\u5206\u4f48\u7684\u6578\u64da<\/li><li>\u7c21\u55ae\u3001\u6613\u638c\u63e1<\/li><\/ul>\n\n\n\n<p>\u7f3a\u9ede\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>k\u7684\u53d6\u503c\u9700\u8981\u6839\u64da\u7d93\u9a57\uff0c\u6c92\u6709\u53ef\u85c9\u9451\u6027<\/li><li>\u5c0d\u7570\u5e38\u504f\u96e2\u7684\u6578\u64da\u975e\u5e38\u654f\u611f<\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%85%B6%E4%BB%96%E5%B9%BE%E7%A8%AE%E9%9B%86%E7%BE%A4%E7%AE%97%E6%B3%95\"><\/span><strong>\u5176\u4ed6\u5e7e\u7a2e\u96c6\u7fa4\u7b97\u6cd5<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>1.K-\u4e2d\u5fc3\u9ede\u96c6\u7fa4\uff08K-Medoids\uff09<br \/>2.\u5bc6\u5ea6\u96c6\u7fa4\uff08Densit-based Spatial Clustering of Application with Noise, DBSCAN\uff09<br \/>3.\u671f\u671b\u6700\u5927\u5316\u96c6\u7fa4\uff08Expectation Maximization, EM\uff09<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-dots\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"K-means_%E8%88%87KNN%EF%BC%9F\"><\/span>K-means \u8207KNN\uff1f<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>K\u5747\u503c\u96c6\u7fa4\uff08K-means\uff09\u8207 <a href=\"https:\/\/blog.wiedu.tw\/?p=18532\">Q26<\/a> K\u8fd1\u9130\uff08KNN\uff09\u4e4b\u9593\u6c92\u6709\u4efb\u4f55\u95dc\u4fc2\uff0cKNN\u662f\u53e6\u4e00\u7a2e\u6d41\u884c\u7684\u6a5f\u5668\u5b78\u7fd2\u6280\u8853\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>K-Means\u662f\u7121\u76e3\u7763\u5b78\u7fd2\u7684\u805a\u985e\u7b97\u6cd5\uff0c\u6c92\u6709\u6a23\u672c\u8f38\u51fa<\/li><li>KNN\u662f\u76e3\u7763\u5b78\u7fd2\u7684\u5206\u985e\u7b97\u6cd5\uff0c\u6709\u5c0d\u61c9\u7684\u985e\u5225\u8f38\u51fa<\/li><\/ul>\n\n\n\n<p>KNN\u57fa\u672c\u4e0d\u9700\u8981\u8a13\u7df4\uff0c\u5c0d\u6e2c\u8a66\u96c6\u88e1\u9762\u7684\u9ede\uff0c\u53ea\u9700\u8981\u627e\u5230\u5728\u8a13\u7df4\u96c6\u4e2d\u6700\u8fd1\u7684k\u500b\u9ede\uff0c\u7528\u9019\u6700\u8fd1\u7684k\u500b\u9ede\u7684\u985e\u5225\u4f86\u6c7a\u5b9a\u6e2c\u8a66\u9ede\u7684\u985e\u5225\u3002\u800cK-Means\u5247\u6709\u660e\u986f\u7684\u8a13\u7df4\u904e\u7a0b\uff0c\u627e\u5230k\u500b\u985e\u5225\u7684\u6700\u4f73\u8cea\u5fc3\uff0c\u5f9e\u800c\u6c7a\u5b9a\u6a23\u672c\u7684\u7fa4\u985e\u5225\u3002<\/p>\n\n\n\n<p>\u7576\u7136\uff0c\u5169\u8005\u4e5f\u6709\u4e9b\u76f8\u4f3c\u9ede\uff0c\u5169\u500b\u7b97\u6cd5\u90fd\u5305\u542b\u4e00\u500b\u904e\u7a0b\uff0c\u5373\u627e\u51fa\u548c\u67d0\u4e00\u500b\u9ede\u6700\u8fd1\u7684\u9ede\u3002\u5169\u8005\u90fd\u5229\u7528\u4e86\u6700\u8fd1\u9130(nearest neighbors)\u7684\u9019\u500b\u601d\u60f3\u3002<\/p>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>\u63a8\u85a6\u8ab2\u7a0b<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><a href=\"https:\/\/www.tibame.com\/course\/1852\">\u3010AI\u57fa\u790e\u601d\u7dad2\u3011\u638c\u63e1AI\u95dc\u9375\u6838\u5fc3\u6280\u8853_\u6a5f\u5668\u5b78\u7fd2\u53ca\u6df1\u5ea6\u5b78\u7fd2<\/a><\/h4>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.tibame.com\/course\/1852\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-1024x576.png\" alt=\"\" class=\"wp-image-18651\" width=\"512\" height=\"288\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-1024x576.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-300x169.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-768x432.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-1170x658.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31-585x329.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/\u87a2\u5e55\u5feb\u7167-2021-05-11-\u4e0b\u534811.46.31.png 1348w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><\/figure><\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u7def\u80b2TibaMe\u5df2\u7d93\u670910\u842c\u4eba\u6b21\u4f86\u5b78\u7fd2AI\/\u8cc7\u6599\u79d1\u5b78\u77e5\u8b58\u6216\u6280\u8853\uff0c\u82e5\u4f60\u60f3\u9032\u4e00\u6b65\u4e86\u89e3\u6216\u5b78\u7fd2 AI \/ \u8cc7\u6599\u79d1\u5b78\u7684\u76f8\u95dc\u77e5\u8b58\u6216\u6280\u80fd\uff0c\u6b61\u8fce\u4f86TibaMe &#x1f449; <a href=\"https:\/\/www.tibame.com\/eventpage\/ai_datascientist\">https:\/\/www.tibame.com\/eventpage\/ai_datascientist\u00a0<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><a href=\"https:\/\/www.tibame.com\/eventpage\/ai_datascientist\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/05\/19201080-1024x576.png\" alt=\"AI\u8cc7\u6599\u79d1\u5b78\u5bb6-\u4e09\u968e\u6bb5\u5168\u65b9\u4f4d\u5b78\u7a0b\u73ed\" class=\"wp-image-18807\" width=\"512\" height=\"288\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-1024x576.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-300x169.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-768x432.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-1920x1080.png 1920w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-1170x658.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080-585x329.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/05\/19201080.png 1921w\" sizes=\"(max-width: 512px) 100vw, 512px\" \/><\/a><figcaption><a href=\"https:\/\/www.tibame.com\/eventpage\/ai_datascientist\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"AI\u8cc7\u6599\u79d1\u5b78\u5bb6-\u4e09\u968e\u6bb5\u5168\u65b9\u4f4d\u5b78\u7a0b\u73ed (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\">AI\u8cc7\u6599\u79d1\u5b78\u5bb6-\u4e09\u968e\u6bb5\u5168\u65b9\u4f4d\u5b78\u7a0b\u73ed<\/a><\/figcaption><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u6bcf\u65e55\u5206\u9418\uff0c&nbsp;<a href=\"https:\/\/blog.wiedu.tw\/?author=44\">\u63d0\u62d4\u6211\u5712\u4e01<\/a>\u966a\u4f60\u5feb\u901f\u6dfb\u88dcAI\/\u8cc7\u6599\u79d1\u5b78\u77e5\u8b58\u8207\u6280\u80fd\u3002<\/p>\n\n\n\n<p>\u82e5\u60a8\u60f3\u4e86\u89e3\u66f4\u591aAI\/\u8cc7\u6599\u79d1\u5b78\u7684\u5c0f\u77e5\u8b58\u3001\u53ca\u5404\u7522\u696d\u7684\u76f8\u95dc\u61c9\u7528\uff0c\u6b61\u8fce\u8a02\u95b1TibaMe FB\u53ca\u90e8\u843d\u683c\uff0c\u6216\u4f60\u6709\u5176\u4ed6\u60f3\u4e86\u89e3\u7684\u4e3b\u984c\u6b61\u8fce\u5728\u4e0b\u65b9\u7559\u8a00\u8b93\u6211\u5011\u77e5\u9053\u5537\uff01<\/p>\n\n\n\n<p><a href=\"https:\/\/www.facebook.com\/Tibame\">\u7def\u80b2TibaMe FB<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/www.facebook.com\/groups\/TiBaMe.For.Business\">\u4f01\u696d\u4eba\u624d\u6578\u4f4d\u8f49\u578bFB<\/a><\/p>\n\n\n\n<p><a href=\"https:\/\/lihi1.com\/OygGK\">\u4f01\u696dAI\u3001\u6578\u4f4d\u4eba\u624dor\u5e73\u53f0\u57f9\u8a13\u65b9\u6848\u8acb\u9ede\u9078<\/a><\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><a href=\"https:\/\/www.tibame.com\/free?utm_source=blog&amp;utm_medium=free&amp;utm_campaign=course\"><img decoding=\"async\" src=\"https:\/\/blog.wiedu.tw\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-1024x922.png\" alt=\"\" class=\"wp-image-18372\" width=\"414\" height=\"372\" srcset=\"https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-1024x922.png 1024w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-300x270.png 300w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-768x691.png 768w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-1170x1053.png 1170w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a-585x527.png 585w, https:\/\/blog.tibame.com\/wp-content\/uploads\/2021\/04\/\u6703\u54e1\u8a3b\u518a.png 1200w\" sizes=\"(max-width: 414px) 100vw, 414px\" \/><\/a><\/figure><\/div>\n\n\n\n<p> \u53c3\u8003\u8cc7\u6599 <\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"https:\/\/kknews.cc\/zh-tw\/tech\/jxzrly.html\">\u6a5f\u5668\u5b78\u7fd2\u7b97\u6cd5\u4e4bK-\u5747\u503c\u805a\u985e\u7b97\u6cd5\uff08K-means\uff09<\/a><\/li><li><a href=\"https:\/\/zhuanlan.zhihu.com\/p\/142144855\">K-\u5747\u503c\u805a\u985e\u7b97\u6cd5(K-Means)<\/a><\/li><li><a href=\"https:\/\/chih-sheng-huang821.medium.com\/%E6%A9%9F%E5%99%A8%E5%AD%B8%E7%BF%92-%E9%9B%86%E7%BE%A4%E5%88%86%E6%9E%90-k-means-clustering-e608a7fe1b43\">\u6a5f\u5668\u5b78\u7fd2:\u96c6\u7fa4\u5206\u6790 K-means Clustering<\/a><\/li><li><a href=\"https:\/\/mropengate.blogspot.com\/2015\/06\/ai-ch16-5-k-introduction-to-clustering.html\">AI &#8211; Ch18 \u6a5f\u5668\u5b78\u7fd2(6), \u5206\u7fa4\/\u805a\u985e\uff1aK\u5e73\u5747\u6f14\u7b97\u6cd5 Clustering: K-means Algorithm<\/a><\/li><li><a href=\"https:\/\/liuxiaofei.com.cn\/blog\/kmeansk%E5%9D%87%E5%80%BC%E9%9B%86%E7%BE%A4\/\">KMeans(K\u5747\u503c)\u96c6\u7fa4<\/a><\/li><li><a href=\"https:\/\/dotblogs.com.tw\/dragon229\/2013\/02\/04\/89919\">K means \u6f14\u7b97\u6cd5<\/a><\/li><li><a href=\"https:\/\/www.cnblogs.com\/huangyc\/p\/10224045.html\">K-Means\u539f\u7406\u89e3\u6790<\/a>\u3001<a href=\"https:\/\/www.cnblogs.com\/huangyc\/p\/10226492.html\">K-Means\u7684\u512a\u5316<\/a><\/li><li><a href=\"https:\/\/medium.com\/qiubingcheng\/%E6%AD%90%E6%B0%8F%E8%B7%9D%E9%9B%A2%E8%88%87%E9%A4%98%E5%BC%A6%E7%9B%B8%E4%BC%BC%E5%BA%A6%E7%9A%84%E6%AF%94%E8%BC%83-c78163ad51b\">\u6b50\u6c0f\u8ddd\u96e2\u8207\u9918\u5f26\u76f8\u4f3c\u5ea6\u7684\u6bd4\u8f03<\/a><\/li><li><a href=\"https:\/\/my.oschina.net\/u\/3888421\/blog\/2205979\">\u805a\u985e\u5206\u6790<\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>K-means \u662f\u4e00\u7a2e\u805a\u985e (Cluster)\u7684\u65b9\u5f0f\uff0c\u57fa\u672c\u4e0a\u5c31\u662f\u4f9d\u7167\u300c\u7269\u4ee5\u985e\u805a\u300d\u7684\u65b9\u5f0f\u5728\u9032\u884c\u3002\u4e5f\u53ef\u80fd\u60f3\u6210\uff0c\u76f8\u4f3c\u7684\u6771\u897f\u6709\u76f8\u4f3c\u7684\u7279\u5fb5\uff0c\u7d66\u4e88\u4e00\u7d44\u8cc7\u6599\uff0c\u5c07\u5b83\u5206\u70ba k \u985e\uff08k\u7531\u4f7f\u7528\u8005\u8a2d\u5b9a\uff09\uff0c\u9019\u5c31\u662fK-means\u7684\u7528\u8655\u3002 <\/p>\n<p>\u805a\u985e\u7684\u65b9\u6cd5\u5927\u591a\u662f\u975e\u76e3\u7763\u5f0f\u5b78\u7fd2\uff0c\u7fa4\u5167\u7684\u5c0d\u8c61\u8d8a\u76f8\u4f3c\uff0c\u96c6\u7fa4\u7684\u6548\u679c\u5c31\u8d8a\u597d\u3002<\/p>\n<p>K-means \u4e0d\u53ea\u53ef\u4ee5\u62ff\u4f86\u5206\u985e\u6d88\u8cbb\u8005\uff0c\u512a\u5316\u884c\u92b7\u6d3b\u52d5\u3001\u907f\u514d\u5ba2\u6236\u6d41\u5931\uff1b\u9084\u80fd\u5224\u65b7\u91d1\u878d\u4ea4\u6613\u662f\u5426\u7570\u5e38\uff0c\u5075\u6e2c\u662f\u5426\u8a50\u6b3a\uff1b\u751a\u81f3\u5e6b\u5fd9\u6b78\u985eIT\u6280\u8853\u5167\u7684\u4e0d\u540c\u8b66\u8a0a\u3002<\/p>\n","protected":false},"author":44,"featured_media":18539,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","footnotes":""},"categories":[480,1196,173],"tags":[1291,1292,1293,1294,1295,1013,1281,1288,1289,1290],"class_list":{"0":"post-18537","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-technology","8":"category-ai-","9":"category-173","10":"tag-1291","11":"tag-1292","12":"tag-1293","13":"tag-1294","14":"tag-1295","15":"tag-1013","16":"tag-k","18":"tag-kmeans","19":"tag-k-means"},"aioseo_notices":[],"views":3753,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/18537","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/users\/44"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18537"}],"version-history":[{"count":31,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/18537\/revisions"}],"predecessor-version":[{"id":19193,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/posts\/18537\/revisions\/19193"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=\/wp\/v2\/media\/18539"}],"wp:attachment":[{"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tibame.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}