{"id":6315,"date":"2024-08-28T17:30:52","date_gmt":"2024-08-28T09:30:52","guid":{"rendered":"https:\/\/support.divominer.com\/zh-tw\/articles\/docs\/divominer-%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8a\/%e9%ab%98%e7%b4%9a%e7%b5%b1%e8%a8%88\/k-means%e8%81%9a%e9%a1%9e"},"modified":"2024-08-29T20:35:19","modified_gmt":"2024-08-29T12:35:19","slug":"k-means%e8%81%9a%e9%a1%9e","status":"publish","type":"docs","link":"https:\/\/support.divominer.com\/zh-tw\/articles\/docs\/divominer-%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8a\/%e9%ab%98%e7%b4%9a%e7%b5%b1%e8%a8%88\/k-means%e8%81%9a%e9%a1%9e","title":{"rendered":"K-Means\u805a\u985e"},"content":{"rendered":"\n<p><strong>K-Means \u6f14\u7b97\u6cd5<\/strong>\u662f\u4e00\u7a2e\u7121\u76e3\u7763\u5b78\u7fd2\uff0c\u540c\u6642\u4e5f\u662f\u57fa\u65bc\u5283\u5206\u7684\u805a\u985e\u6f14\u7b97\u6cd5\uff0c\u4e00\u822c\u7528\u6b50\u5f0f\u8ddd\u96e2\u4f5c\u70ba\u8861\u91cf\u8cc7\u6599\u7269\u4ef6\u9593\u76f8\u4f3c\u5ea6\u7684\u6307\u6a19\uff0c\u76f8\u4f3c\u5ea6\u8207\u8cc7\u6599\u7269\u4ef6\u9593\u7684\u8ddd\u96e2\u6210\u53cd\u6bd4\uff0c\u76f8\u4f3c\u5ea6\u8d8a\u5927\uff0c\u8ddd\u96e2\u8d8a\u5c0f\u3002\u6f14\u7b97\u6cd5\u9700\u8981\u9810\u5148\u6307\u5b9a\u521d\u59cb\u805a\u985e\u6578\u76ee k \u4ee5\u53ca k \u500b\u521d\u59cb\u805a\u985e\u4e2d\u5fc3\uff0c\u6839\u64da\u8cc7\u6599\u7269\u4ef6\u8207\u805a\u985e\u4e2d\u5fc3\u4e4b\u9593\u7684\u76f8\u4f3c\u5ea6\uff0c\u4e0d\u65b7\u66f4\u65b0\u805a\u985e\u4e2d\u5fc3\u7684\u4f4d\u7f6e\uff0c\u4e0d\u65b7\u964d\u4f4e\u985e\u7c07\u7684\u8aa4\u5dee\u5e73\u65b9\u548c\uff08Sum of Squared Error\uff0cSSE\uff09\uff0c\u7576 SSE \u4e0d\u518d\u8b8a\u5316\u6216\u76ee\u6a19\u51fd\u6578\u6536\u6582\u6642\uff0c\u805a\u985e\u7d50\u675f\uff0c\u5f97\u5230\u6700\u7d42\u7d50\u679c\u3002<\/p>\n\n\n\n<p>\u6838\u5fc3\u601d\u60f3\u662f\u9996\u5148\u5f9e\u8cc7\u6599\u96c6\u4e2d\u96a8\u6a5f\u9078\u53d6 k\u500b\u521d\u59cb\u805a\u985e\u4e2d\u5fc3C<sub>i<\/sub>(1 \u2264 i \u2264 k)\uff0c\u8a08\u7b97\u5176\u9918\u8cc7\u6599\u7269\u4ef6\u8207\u805a\u985e\u4e2d\u5fc3Ci\u7684\u6b50\u6c0f\u8ddd\u96e2\uff0c\u627e\u51fa\u96e2\u76ee\u6a19\u8cc7\u6599\u7269\u4ef6\u6700\u8fd1\u7684\u805a\u985e\u4e2d\u5fc3C<sub>i<\/sub>\uff0c\u4e26\u5c07\u8cc7\u6599\u7269\u4ef6\u5206\u914d\u5230\u805a\u985e\u4e2d\u5fc3C<sub>i<\/sub>\u6240\u5c0d\u61c9\u7684\u7c07\u4e2d\u3002\u7136\u5f8c\u8a08\u7b97\u6bcf\u500b\u7c07\u4e2d\u8cc7\u6599\u7269\u4ef6\u7684\u5e73\u5747\u503c\u4f5c\u70ba\u65b0\u7684\u805a\u985e\u4e2d\u5fc3\uff0c\u9032\u884c\u4e0b\u4e00\u6b21\u53cd\u8986\u904b\u7b97\uff0c\u76f4\u5230\u805a\u985e\u4e2d\u5fc3\u4e0d\u518d\u8b8a\u5316\u6216\u9054\u5230\u6700\u5927\u7684\u53cd\u8986\u904b\u7b97\u6b21\u6578\u505c\u6b62\u3002<\/p>\n\n\n\n<p>\u7a7a\u9593\u4e2d\u8cc7\u6599\u7269\u4ef6\u8207\u805a\u985e\u4e2d\u5fc3\u9593\u7684\u6b50\u5f0f\u8ddd\u96e2\u8a08\u7b97\u516c\u5f0f\u70ba\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/support.divominer.cn\/wp-content\/uploads\/2023\/04\/45.png\" alt=\"\" class=\"wp-image-6391\"\/><\/figure>\n\n\n\n<p>\u5176\u4e2d\uff0cx\u70ba\u8cc7\u6599\u7269\u4ef6\uff0cC<sub>i<\/sub>\u70ba\u7b2c i\u500b\u805a\u985e\u4e2d\u5fc3\uff0cm\u70ba\u8cc7\u6599\u7269\u4ef6\u7684\u7dad\u5ea6\uff0cx<sub>j<\/sub>\uff0cC<sub>ij<\/sub> \u70bax\u548c C<sub>i<\/sub>\u7684\u7b2cj\u500b\u5c6c\u6027\u503c\u3002<br>\u6574\u500b\u8cc7\u6599\u96c6\u7684\u8aa4\u5dee\u5e73\u65b9\u548c SSE \u8a08\u7b97\u516c\u5f0f\u70ba\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img src=\"https:\/\/support.divominer.cn\/wp-content\/uploads\/2023\/04\/46.png\" alt=\"\" class=\"wp-image-6392\"\/><figcaption>\u5176\u4e2d\uff0cSSE\u7684\u5927\u5c0f\u8868\u793a\u805a\u985e\u7d50\u679c\u7684\u597d\u58de\uff0ck\u70ba\u7c07\u7684\u500b\u6578\u3002<\/figcaption><\/figure>\n\n\n\n<p>\u672c\u5206\u6790\u65b9\u6cd5\u4e2d\uff0c\u5982\u679c\u6d89\u53ca\u5b9a\u985e\u8b8a\u6578\u805a\u985e\uff0c\u5247\u6703\u5148\u5c0d\u5b9a\u985e\u8b8a\u6578\u9032\u884c\u7de8\u78bc\uff0c\u7136\u5f8c\u518d\u9032\u884c\u805a\u985e\u3002\u5047\u5982\u8f38\u5165\u7684\u8b8a\u6578\u5b58\u5728\u7f3a\u5931\u503c\uff0c\u5b9a\u985e\u8cc7\u6599\u81ea\u52d5\u4ee5\u773e\u6578\u586b\u88dc\uff0c\u5b9a\u91cf\u8cc7\u6599\u81ea\u52d5\u4ee5\u5e73\u5747\u6578\u586b\u88dc\u3002<\/p>\n\n\n\n<p>\u53c3\u8003\u6587\u737b\uff1a<\/p>\n\n\n\n<ul><li>\u6768\u4fca\u95ef,\u8d75\u8d85.<strong>K-Means<\/strong><strong>\u805a\u7c7b\u7b97\u6cd5\u7814\u7a76\u7efc\u8ff0<\/strong><strong>[J].<\/strong><em>\u8ba1\u7b97\u673a\u5de5\u7a0b\u4e0e\u5e94\u7528<\/em><em>,2019,55(23):7-1463<\/em><\/li><li>Yadav J, Sharma M. <strong>A Review of K-mean Algorithm[J]<\/strong>. <em>Int. J. Eng. Trends Technol, 2013, 4(7): 2972-2976.<\/em><\/li><\/ul>\n","protected":false},"featured_media":0,"parent":5647,"menu_order":12,"comment_status":"open","ping_status":"closed","template":"","doc_tag":[],"_links":{"self":[{"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/6315"}],"collection":[{"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/types\/docs"}],"replies":[{"embeddable":true,"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/comments?post=6315"}],"version-history":[{"count":2,"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/6315\/revisions"}],"predecessor-version":[{"id":6374,"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/6315\/revisions\/6374"}],"up":[{"embeddable":true,"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/5647"}],"next":[{"title":"\u65b0\u5efaK-Means\u805a\u985e\u4efb\u52d9","link":"https:\/\/support.divominer.com\/zh-tw\/articles\/docs\/divominer-%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8a\/%e9%ab%98%e7%b4%9a%e7%b5%b1%e8%a8%88\/%e6%96%b0%e5%bb%bak-means%e8%81%9a%e9%a1%9e%e4%bb%bb%e5%8b%99","href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/6317"}],"prev":[{"title":"\u65b0\u5efa\u591a\u56e0\u7d20\u65b9\u5dee\u5206\u6790\u4efb\u52d9","link":"https:\/\/support.divominer.com\/zh-tw\/articles\/docs\/divominer-%e4%bd%bf%e7%94%a8%e6%89%8b%e5%86%8a\/%e9%ab%98%e7%b4%9a%e7%b5%b1%e8%a8%88\/%e6%96%b0%e5%bb%ba%e5%a4%9a%e5%9b%a0%e7%b4%a0%e6%96%b9%e5%b7%ae%e5%88%86%e6%9e%90%e4%bb%bb%e5%8b%99","href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/docs\/6313"}],"wp:attachment":[{"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/media?parent=6315"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/support.divominer.com\/zh-tw\/wp-json\/wp\/v2\/doc_tag?post=6315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}