{"id":198026,"date":"2024-05-10T00:01:58","date_gmt":"2024-05-09T16:01:58","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/198026.html"},"modified":"2024-05-10T00:02:02","modified_gmt":"2024-05-09T16:02:02","slug":"%e5%a6%82%e4%bd%95%e6%af%94%e8%be%83kmeans-%e7%ae%97%e6%b3%95%e5%92%8c%e4%ba%8c%e5%88%86k%e5%9d%87%e5%80%bc%e8%81%9a%e7%b1%bb%e7%ae%97%e6%b3%95","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/198026.html","title":{"rendered":"\u5982\u4f55\u6bd4\u8f83Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24140205\/46677547-2408-44aa-a6ed-5d86f90cbf9f.webp\" alt=\"\u5982\u4f55\u6bd4\u8f83Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\" \/><\/p>\n<p><p>\u5982\u4f55\u6bd4\u8f83<strong>K-means \u7b97\u6cd5<\/strong>\u548c<strong>\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5<\/strong>\uff1f<strong>K-means\u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5<\/strong>\u90fd\u662f\u5e38\u7528\u7684\u805a\u7c7b\u7b97\u6cd5\u3001\u4e8c\u8005\u65e8\u5728\u5c06\u6570\u636e\u96c6\u5206\u5272\u6210K\u4e2a\u4e0d\u76f8\u4ea4\u7684\u5b50\u96c6\u3001\u6bcf\u4e2a\u5b50\u96c6\u4ee3\u8868\u4e00\u4e2a\u7c7b\u6216\u7c07\u3002K-means\u7b97\u6cd5\u76f4\u63a5\u4ece\u6570\u636e\u96c6\u4e2d\u968f\u673a\u9009\u62e9K\u4e2a\u70b9\u4f5c\u4e3a\u521d\u59cb\u4e2d\u5fc3\uff0c\u4e4b\u540e\u901a\u8fc7\u8fed\u4ee3\u4f18\u5316\u4e2d\u5fc3\u70b9\u4f4d\u7f6e\uff0c\u4ee5\u6700\u5c0f\u5316\u7c07\u5185\u8bef\u5dee\u7684\u5e73\u65b9\u548c\u3002\u800c<strong>\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u5148\u4ece\u4e00\u4e2a\u7c07\u5f00\u59cb<\/strong>\uff0c\u9010\u6b65\u901a\u8fc7\u4e8c\u5206\u6cd5\u589e\u52a0\u7c07\u7684\u6570\u91cf\u76f4\u81f3\u8fbe\u5230K\u503c\uff0c\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\uff0c\u5f80\u5f80\u6bd4\u4f20\u7edfK-means\u8981\u9ad8\u6548\u3002<\/p>\n<\/p>\n<p><p><strong>\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5<\/strong>\u7684\u4e00\u4e2a\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176\u5904\u7406\u5927\u6570\u636e\u96c6\u7684\u80fd\u529b\u3002\u8be5\u7b97\u6cd5\u5148\u5c06\u6240\u6709\u70b9\u89c6\u4e3a\u4e00\u4e2a\u7c07\uff0c\u63a5\u7740\u5c06\u8fd9\u4e2a\u7c07\u4e00\u5206\u4e3a\u4e8c\u3002\u5728\u6bcf\u6b21\u5206\u88c2\u540e\uff0c\u9009\u62e9\u4f7f\u5f97\u8bef\u5dee\u6700\u5c0f\u5316\u7684\u7c07\u8fdb\u884c\u4e0b\u4e00\u8f6e\u5206\u88c2\uff0c\u76f4\u5230\u7c07\u7684\u6570\u91cf\u8fbe\u5230K\u3002\u8fd9\u79cd\u9010\u6b65\u4e8c\u5206\u7684\u65b9\u5f0f\u76f8\u8f83\u4e8eK-means\u7b97\u6cd5\uff0c\u5728\u8ba1\u7b97\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\uff0c\u53ef\u4ee5\u51cf\u5c11\u8ba1\u7b97\u91cf\u548c\u63d0\u9ad8\u7b97\u6cd5\u7684\u8fd0\u884c\u901f\u5ea6\uff0c\u8fd9\u662f\u56e0\u4e3a\u5b83\u5728\u6bcf\u4e00\u6b65\u53ea\u5bf9\u90e8\u5206\u7684\u6570\u636e\u96c6\u8fdb\u884c\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e86\u6bcf\u6b21\u8fed\u4ee3\u7684\u8ba1\u7b97\u8d1f\u62c5\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001K-MEANS\u7b97\u6cd5\u8be6\u89e3<\/h3>\n<\/p>\n<p><p>K-means\u7b97\u6cd5\u662f\u4e00\u79cd\u7ecf\u5178\u7684\u805a\u7c7b\u7b97\u6cd5\uff0c\u5176\u6838\u5fc3\u601d\u60f3\u662f\u901a\u8fc7\u8fed\u4ee3\u4f18\u5316\uff0c\u5c06\u6570\u636e\u96c6\u5212\u5206\u6210K\u4e2a\u9884\u5b9a\u4e49\u7684\u4e0d\u540c\u7c07\uff0c\u4f7f\u5f97\u7c07\u5185\u7684\u6570\u636e\u70b9\u5c3d\u53ef\u80fd\u7d27\u5bc6\uff0c\u800c\u4e0d\u540c\u7c07\u4e4b\u95f4\u7684\u6570\u636e\u70b9\u5c3d\u53ef\u80fd\u5206\u6563\u3002<\/p>\n<\/p>\n<p><p><strong>\u521d\u59cb\u5316<\/strong>\uff1a\u7b97\u6cd5\u5f00\u59cb\u65f6\uff0c\u968f\u673a\u9009\u62e9K\u4e2a\u6570\u636e\u70b9\u4f5c\u4e3a\u521d\u59cb\u7684\u7c07\u4e2d\u5fc3\u3002<\/p>\n<\/p>\n<p><p><strong>\u5206\u914d\u9636\u6bb5<\/strong>\uff1a\u5c06\u6bcf\u4e2a\u6570\u636e\u70b9\u5206\u914d\u7ed9\u6700\u8fd1\u7684\u7c07\u4e2d\u5fc3\uff0c\u5f62\u6210K\u4e2a\u7c07\u3002<\/p>\n<\/p>\n<p><p><strong>\u66f4\u65b0\u9636\u6bb5<\/strong>\uff1a\u8ba1\u7b97\u6bcf\u4e2a\u7c07\u7684\u5e73\u5747\u503c\uff0c\u5e76\u7528\u8fd9\u4e2a\u5e73\u5747\u503c\u4f5c\u4e3a\u65b0\u7684\u7c07\u4e2d\u5fc3\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0d\u65ad\u91cd\u590d\u5206\u914d\u548c\u66f4\u65b0\u4e24\u4e2a\u9636\u6bb5\uff0c\u76f4\u5230\u7c07\u4e2d\u5fc3\u4e0d\u518d\u53d1\u751f\u53d8\u5316\uff0c\u6216\u8005\u53d8\u5316\u5c0f\u4e8e\u67d0\u4e2a\u9884\u8bbe\u9608\u503c\uff0c\u6b64\u65f6\u7b97\u6cd5\u7ed3\u675f\u3002<\/p>\n<\/p>\n<p><p>K-means\u7b97\u6cd5\u7684\u4e3b\u8981\u6311\u6218\u662f\u5fc5\u987b\u9884\u5148\u6307\u5b9a\u7c07\u7684\u6570\u76eeK\uff0c\u4e14\u7b97\u6cd5\u7684\u7ed3\u679c\u53ef\u80fd\u53d7\u521d\u59cb\u7c07\u4e2d\u5fc3\u9009\u62e9\u7684\u5f71\u54cd\u8f83\u5927\u3002<\/p>\n<\/p>\n<p><p>###\u4e8c\u3001\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u8be6\u89e3<\/p>\n<\/p>\n<p><p><strong>\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5<\/strong>\u662f\u5bf9K-means\u7b97\u6cd5\u7684\u4e00\u79cd\u6539\u8fdb\uff0c\u5b83\u91c7\u7528\u81ea\u4e0a\u800c\u4e0b\u7684\u7b56\u7565\u9010\u6b65\u7ec6\u5206\u6570\u636e\u7c07\uff0c\u76f4\u5230\u8fbe\u5230\u7528\u6237\u6307\u5b9a\u7684\u7c07\u6570\u91cfK\u3002<\/p>\n<\/p>\n<p><p><strong>\u521d\u59cb\u5316<\/strong>\uff1a\u7b97\u6cd5\u5c06\u6240\u6709\u6570\u636e\u770b\u4f5c\u4e00\u4e2a\u5927\u7684\u7c07\u3002<\/p>\n<\/p>\n<p><p><strong>\u5206\u88c2\u8fc7\u7a0b<\/strong>\uff1a\u9009\u62e9\u4e00\u4e2a\u7c07\u8fdb\u884c\u5206\u88c2\uff0c\u65b9\u6cd5\u662f\uff1a\u5bf9\u8fd9\u4e2a\u7c07\u8fd0\u7528K-means\u7b97\u6cd5\uff0c\u5176\u4e2dK=2\uff0c\u5373\u5c06\u5176\u5206\u88c2\u4e3a\u4e24\u4e2a\u5b50\u7c07\u3002<\/p>\n<\/p>\n<p><p><strong>\u9009\u62e9\u5206\u88c2<\/strong>\uff1a\u5728\u6bcf\u6b21\u8fed\u4ee3\u4e2d\uff0c\u9009\u62e9\u4e00\u4e2a\u5f85\u5206\u88c2\u7684\u7c07\u4f7f\u5f97\u5206\u88c2\u540e\u53ef\u6700\u5927\u7a0b\u5ea6\u51cf\u5c0f\u603b\u8bef\u5dee\u5e73\u65b9\u548c\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u4e0d\u65ad\u91cd\u590d\u4e0a\u8ff0\u5206\u88c2\u8fc7\u7a0b\uff0c\u76f4\u5230\u5f97\u5230K\u4e2a\u7c07\u4e3a\u6b62\u3002\u76f8\u8f83\u4e8eK-means\u7b97\u6cd5\uff0c\u4e8c\u5206K-\u5747\u503c\u7b97\u6cd5\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u96c6\u65f6\u66f4\u4e3a\u9ad8\u6548\uff0c\u5e76\u4e14\u964d\u4f4e\u4e86\u5bf9\u521d\u59cb\u70b9\u9009\u62e9\u7684\u654f\u611f\u5ea6\u3002<\/p>\n<\/p>\n<p><p>###\u4e09\u3001\u6027\u80fd\u6bd4\u8f83<\/p>\n<\/p>\n<p><p>\u5728\u6bd4\u8f83<strong>K-means\u7b97\u6cd5<\/strong>\u548c<strong>\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5<\/strong>\u65f6\uff0c\u9700\u8981\u8003\u8651\u591a\u4e2a\u7ef4\u5ea6\uff1a\u7b97\u6cd5\u7684\u65f6\u95f4\u590d\u6742\u5ea6\u3001\u7a7a\u95f4\u590d\u6742\u5ea6\u3001\u51c6\u786e\u7387\u548c\u9002\u7528\u573a\u666f\u7b49\u3002<\/p>\n<\/p>\n<p><p><strong>\u65f6\u95f4\u590d\u6742\u5ea6<\/strong>\uff1a\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u901a\u5e38\u6bd4K-means\u7b97\u6cd5\u5177\u6709\u66f4\u4f4e\u7684\u65f6\u95f4\u590d\u6742\u5ea6\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u96c6\u65f6\u66f4\u4e3a\u660e\u663e\u3002\u8fd9\u662f\u56e0\u4e3a\u4e8c\u5206K\u5747\u503c\u901a\u8fc7\u9010\u6b65\u7ec6\u5206\u7684\u65b9\u5f0f\uff0c\u51cf\u5c11\u4e86\u6bcf\u6b21\u8fed\u4ee3\u6240\u9700\u7684\u8ba1\u7b97\u91cf\u3002<\/p>\n<\/p>\n<p><p><strong>\u7a7a\u95f4\u590d\u6742\u5ea6<\/strong>\uff1a\u4e24\u79cd\u7b97\u6cd5\u7684\u7a7a\u95f4\u590d\u6742\u5ea6\u76f8\u4f3c\uff0c\u4e3b\u8981\u53d6\u51b3\u4e8e\u6570\u636e\u96c6\u7684\u5927\u5c0f\u548c\u7ef4\u5ea6\u3002<\/p>\n<\/p>\n<p><p><strong>\u51c6\u786e\u7387<\/strong>\uff1aK-means\u7b97\u6cd5\u7684\u51c6\u786e\u7387\u53ef\u80fd\u53d7\u5230\u521d\u59cb\u4e2d\u5fc3\u70b9\u9009\u62e9\u7684\u5f71\u54cd\uff0c\u800c\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7531\u4e8e\u5176\u5206\u88c2\u51b3\u7b56\u8fc7\u7a0b\uff0c\u80fd\u5728\u4e00\u5b9a\u7a0b\u5ea6\u4e0a\u907f\u514d\u8fd9\u4e2a\u95ee\u9898\uff0c\u901a\u5e38\u53ef\u4ee5\u83b7\u5f97\u66f4\u52a0\u7a33\u5b9a\u7684\u805a\u7c7b\u7ed3\u679c\u3002<\/p>\n<\/p>\n<p><p><strong>\u9002\u7528\u573a\u666f<\/strong>\uff1aK-means\u7b97\u6cd5\u9002\u7528\u4e8e\u7c07\u5927\u5c0f\u3001\u7c07\u5bc6\u5ea6\u6216\u7c07\u5f62\u72b6\u76f8\u5bf9\u4e00\u81f4\u7684\u6570\u636e\u96c6\u3002\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7531\u4e8e\u5177\u6709\u66f4\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u7279\u522b\u9002\u5408\u4e8e\u5927\u89c4\u6a21\u6570\u636e\u96c6\u7684\u805a\u7c7b\u3002<\/p>\n<\/p>\n<p><p>###\u56db\u3001\u5e94\u7528\u5b9e\u4f8b\u5206\u6790<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u5982\u4f55\u9009\u62e9\u8fd9\u4e24\u79cd\u7b97\u6cd5\u5f80\u5f80\u53d6\u51b3\u4e8e\u5177\u4f53\u7684\u4e1a\u52a1\u9700\u6c42\u548c\u6570\u636e\u7279\u6027\u3002\u4f8b\u5982\uff0c\u5728\u7528\u6237\u884c\u4e3a\u5206\u6790\u4e2d\uff0c\u5982\u679c\u6570\u636e\u91cf\u76f8\u5bf9\u8f83\u5c0f\uff0c\u4e14\u4e1a\u52a1\u9700\u6c42\u5bf9\u805a\u7c7b\u7684\u5b9e\u65f6\u6027\u8981\u6c42\u8f83\u9ad8\uff0c\u53ef\u4ee5\u4f18\u5148\u8003\u8651\u4f7f\u7528K-means\u7b97\u6cd5\u3002\u800c\u5728\u9762\u5bf9\u5927\u89c4\u6a21\u7684\u5e02\u573a\u7ec6\u5206\u6570\u636e\u65f6\uff0c\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u56e0\u5176\u66f4\u4f18\u7684\u8ba1\u7b97\u6548\u7387\u548c\u8f83\u597d\u7684\u53ef\u6269\u5c55\u6027\uff0c\u53ef\u80fd\u662f\u66f4\u5408\u9002\u7684\u9009\u62e9\u3002<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u5206\u6790\u5177\u4f53\u7684\u5e94\u7528\u6848\u4f8b\uff0c\u6211\u4eec\u4e0d\u4ec5\u53ef\u4ee5\u66f4\u6df1\u5165\u5730\u7406\u89e3\u8fd9\u4e24\u79cd\u805a\u7c7b\u7b97\u6cd5\u7684\u7279\u70b9\uff0c\u8fd8\u53ef\u4ee5\u638c\u63e1\u5b83\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u7684\u4f18\u52bf\u4e0e\u5c40\u9650\uff0c\u4ece\u800c\u66f4\u6709\u6548\u5730\u89e3\u51b3\u5b9e\u9645\u95ee\u9898\u3002<\/p>\n<\/p>\n<p><p><strong>\u603b\u7ed3<\/strong>\uff0cK-means\u7b97\u6cd5\u548c\u4e8c\u5206K-\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u5404\u6709\u4f18\u52bf\u548c\u5e94\u7528\u573a\u666f\u3002\u901a\u8fc7\u6df1\u5165\u5206\u6790\u8fd9\u4e24\u79cd\u7b97\u6cd5\u7684\u7279\u6027\u548c\u6027\u80fd\uff0c\u53ef\u4ee5\u4e3a\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u96c6\u9009\u62e9\u66f4\u5408\u9002\u7684\u805a\u7c7b\u65b9\u6cd5\uff0c\u8fbe\u5230\u66f4\u4f18\u7684\u805a\u7c7b\u6548\u679c\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7684\u533a\u522b\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n<p>Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u90fd\u662f\u5e38\u7528\u7684\u805a\u7c7b\u7b97\u6cd5\uff0c\u5b83\u4eec\u6709\u4ee5\u4e0b\u51e0\u4e2a\u533a\u522b\uff1a<\/p>\n<ul>\n<li>\n<p>\u805a\u7c7b\u7684\u6570\u91cf\uff1aKmeans \u7b97\u6cd5\u4e2d\u9700\u8981\u63d0\u524d\u786e\u5b9a\u805a\u7c7b\u7684\u6570\u91cf\uff0c\u800c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u4e2d\u4f1a\u52a8\u6001\u5730\u6839\u636e\u6570\u636e\u96c6\u6765\u51b3\u5b9a\u6700\u4f73\u7684\u805a\u7c7b\u6570\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u805a\u7c7b\u8fc7\u7a0b\uff1aKmeans \u7b97\u6cd5\u662f\u4e00\u79cd\u8fed\u4ee3\u7684\u805a\u7c7b\u7b97\u6cd5\uff0c\u4f1a\u4e0d\u65ad\u8c03\u6574\u805a\u7c7b\u4e2d\u5fc3\u76f4\u5230\u6536\u655b\uff1b\u800c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u5219\u662f\u4e00\u79cd\u9012\u5f52\u7684\u7b97\u6cd5\uff0c\u4f1a\u5c06\u6570\u636e\u5212\u5206\u6210\u4e24\u4e2a\u805a\u7c7b\uff0c\u7136\u540e\u9010\u6b65\u7ec6\u5206\u6bcf\u4e2a\u805a\u7c7b\u76f4\u5230\u8fbe\u5230\u9884\u5b9a\u7684\u805a\u7c7b\u6570\u91cf\u3002<\/p>\n<\/li>\n<li>\n<p>\u8ba1\u7b97\u590d\u6742\u5ea6\uff1a\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u76f8\u5bf9\u8f83\u9ad8\uff0c\u56e0\u4e3a\u6bcf\u6b21\u8fed\u4ee3\u90fd\u9700\u8981\u5bf9\u6240\u6709\u6570\u636e\u8fdb\u884c\u8ba1\u7b97\u548c\u6bd4\u8f83\uff1b\u800cKmeans \u7b97\u6cd5\u7684\u8ba1\u7b97\u590d\u6742\u5ea6\u8f83\u4f4e\uff0c\u56e0\u4e3a\u6bcf\u6b21\u8fed\u4ee3\u53ea\u9700\u8981\u8ba1\u7b97\u805a\u7c7b\u4e2d\u5fc3\u7684\u5747\u503c\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>2. Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u90fd\u9002\u7528\u4e8e\u4ec0\u4e48\u7c7b\u578b\u7684\u6570\u636e\u96c6\uff1f<\/strong><\/p>\n<p>Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u90fd\u9002\u7528\u4e8e\u5904\u7406\u975e\u76d1\u7763\u5b66\u4e60\u4efb\u52a1\u4e2d\u7684\u805a\u7c7b\u95ee\u9898\u3002\u5b83\u4eec\u53ef\u4ee5\u5e94\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u96c6\uff0c\u5982\u6570\u503c\u578b\u6570\u636e\u3001\u6587\u672c\u6570\u636e\u3001\u56fe\u50cf\u6570\u636e\u7b49\u3002<\/p>\n<p>\u5bf9\u4e8e\u6570\u503c\u578b\u6570\u636e\uff0cKmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u53ef\u4ee5\u901a\u8fc7\u8ba1\u7b97\u6570\u636e\u4e4b\u95f4\u7684\u8ddd\u79bb\u6765\u5224\u65ad\u6570\u636e\u4e4b\u95f4\u7684\u76f8\u4f3c\u6027\u548c\u9009\u62e9\u5408\u9002\u7684\u805a\u7c7b\u4e2d\u5fc3\u3002<\/p>\n<p>\u5bf9\u4e8e\u6587\u672c\u6570\u636e\uff0c\u53ef\u4ee5\u5c06\u6587\u672c\u8f6c\u6362\u4e3a\u8bcd\u5411\u91cf\u8868\u793a\u540e\uff0c\u518d\u4f7f\u7528Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u8fdb\u884c\u805a\u7c7b\u3002<\/p>\n<p>\u5bf9\u4e8e\u56fe\u50cf\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u50cf\u7d20\u8ddd\u79bb\u7684Kmeans \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u8fdb\u884c\u56fe\u50cf\u5206\u5272\u548c\u7279\u5f81\u63d0\u53d6\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u9009\u62e9 K \u503c\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7684\u8fed\u4ee3\u6b21\u6570\uff1f<\/strong><\/p>\n<p>\u9009\u62e9\u5408\u9002\u7684 K \u503c\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7684\u8fed\u4ee3\u6b21\u6570\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5b83\u4eec\u4f1a\u76f4\u63a5\u5f71\u54cd\u5230\u805a\u7c7b\u7684\u6548\u679c\u3002<\/p>\n<p>\u5bf9\u4e8e K \u503c\u7684\u9009\u62e9\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u6765\u786e\u5b9a\u5408\u9002\u7684\u805a\u7c7b\u6570\u91cf\uff1a<\/p>\n<ul>\n<li>\n<p>\u6267\u884c\u805a\u7c7b\u7b97\u6cd5\uff0c\u7136\u540e\u4f7f\u7528\u5404\u79cd\u8bc4\u4f30\u6307\u6807\uff08\u5982\u8f6e\u5ed3\u7cfb\u6570\u3001\u5185\u90e8\u805a\u5408\u5ea6\u3001\u5916\u90e8\u5206\u79bb\u5ea6\u7b49\uff09\u6765\u8bc4\u4f30\u805a\u7c7b\u6548\u679c\uff0c\u9009\u62e9\u6700\u4f18\u7684 K \u503c\u3002<\/p>\n<\/li>\n<li>\n<p>\u4f7f\u7528\u7ecf\u9a8c\u6cd5\u5219\uff0c\u5982Elbow Method\uff0c\u901a\u8fc7\u7ed8\u5236 K \u503c\u4e0e\u805a\u7c7b\u8bef\u5dee\uff08\u5373\u5404\u6570\u636e\u70b9\u5230\u5176\u6240\u5c5e\u805a\u7c7b\u4e2d\u5fc3\u7684\u8ddd\u79bb\u4e4b\u548c\uff09\u7684\u5173\u7cfb\u56fe\uff0c\u9009\u62e9\u8bef\u5dee\u5f00\u59cb\u5feb\u901f\u4e0b\u964d\u7684 K \u503c\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u5bf9\u4e8e\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u7684\u8fed\u4ee3\u6b21\u6570\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u65b9\u6cd5\u6765\u786e\u5b9a\u5408\u9002\u7684\u8fed\u4ee3\u6b21\u6570\uff1a<\/p>\n<ul>\n<li>\n<p>\u8bbe\u7f6e\u4e00\u4e2a\u5408\u7406\u7684\u9608\u503c\uff0c\u5f53\u6bcf\u4e2a\u805a\u7c7b\u4e2d\u5fc3\u7684\u79fb\u52a8\u8ddd\u79bb\u5c0f\u4e8e\u8be5\u9608\u503c\u65f6\uff0c\u505c\u6b62\u8fed\u4ee3\u3002<\/p>\n<\/li>\n<li>\n<p>\u6839\u636e\u89c2\u5bdf\u5b9e\u9645\u6570\u636e\u96c6\u7684\u6536\u655b\u901f\u5ea6\u6765\u786e\u5b9a\u8fed\u4ee3\u6b21\u6570\uff0c\u5982\u679c\u6570\u636e\u96c6\u5728\u524d\u51e0\u6b21\u8fed\u4ee3\u540e\u5c31\u8d8b\u4e8e\u7a33\u5b9a\uff0c\u53ef\u4ee5\u63d0\u524d\u505c\u6b62\u8fed\u4ee3\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u9009\u62e9\u5408\u9002\u7684 K \u503c\u548c\u8fed\u4ee3\u6b21\u6570\u662f\u4e00\u9879\u8fed\u4ee3\u7684\u8fc7\u7a0b\uff0c\u9700\u8981\u901a\u8fc7\u5b9e\u9a8c\u548c\u8bc4\u4f30\u6765\u8fdb\u884c\u8c03\u4f18\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u6bd4\u8f83K-means \u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\uff1fK-means\u7b97\u6cd5\u548c\u4e8c\u5206K\u5747\u503c\u805a\u7c7b\u7b97\u6cd5\u90fd\u662f\u5e38\u7528\u7684\u805a\u7c7b\u7b97\u6cd5\u3001\u4e8c [&hellip;]","protected":false},"author":3,"featured_media":198027,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/198026"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=198026"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/198026\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/198027"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=198026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=198026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=198026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}