{"id":340,"date":"2022-04-15T14:12:35","date_gmt":"2022-04-15T06:12:35","guid":{"rendered":"https:\/\/www.guandata.com\/gd\/?p=340"},"modified":"2022-04-15T14:12:35","modified_gmt":"2022-04-15T06:12:35","slug":"sbf","status":"publish","type":"post","link":"https:\/\/www.guandata.com\/gd\/sbf\/","title":{"rendered":"\u6709\u54ea\u4e9b\u5b9e\u7528\u4fbf\u6377\u7684\u6570\u636e\u6316\u6398\u7cfb\u7edf"},"content":{"rendered":"<p>\u4e00\u3001\u4ec0\u4e48\u662f\u6570\u636e\u6316\u6398<\/p>\n<p>\u6570\u636e\u6316\u6398\u5c31\u662f\u4ece\u5927\u91cf\u7684\u6570\u636e\u4e2d\u5bfb\u627e\u6709\u7528\u7684\u4fe1\u606f\uff0c\u7136\u540e\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u8f85\u52a9\u51b3\u7b56\u3002\u8fd9\u542c\u8d77\u6765\u50cf\u4f20\u7edf\u7684\u6570\u636e\u5206\u6790\u5417\uff1f\u4e8b\u5b9e\u4e0a\uff0c\u6570\u636e\u6316\u6398\u5c31\u662f\u667a\u80fd\u6570\u636e\u5206\u6790\uff0c\u5b83\u4eec\u7684\u76ee\u6807\u662f\u4e00\u81f4\u7684\u3002\u4f46\u662f\uff0c\u6709\u5f88\u5927\u7684\u4e0d\u540c\u3002\u4f20\u7edf\u6570\u636e\u5206\u6790\u4e0e\u6570\u636e\u6316\u6398\u7684\u4e3b\u8981\u533a\u522b\u5728\u4e8e\u63ed\u793a\u6570\u636e\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u4f20\u7edf\u7684\u6570\u636e\u5206\u6790\u63ed\u793a\u5df2\u77e5\u7684\u3001\u8fc7\u53bb\u7684\u6570\u636e\u5173\u7cfb\uff0c\u800c\u6570\u636e\u6316\u6398\u63ed\u793a\u672a\u77e5\u7684\u3001\u672a\u6765\u7684\u6570\u636e\u5173\u7cfb\u3002\u4ed6\u4eec\u4f7f\u7528\u7684\u6280\u672f\u4e5f\u4e0d\u540c\u3002\u4f20\u7edf\u7684\u6570\u636e\u5206\u6790\u4f7f\u7528\u8ba1\u7b97\u673a\u6280\u672f\uff0c\u800c\u6570\u636e\u6316\u6398\u4e0d\u4ec5\u4f7f\u7528\u8ba1\u7b97\u673a\u6280\u672f\uff0c\u8fd8\u6d89\u53ca\u7edf\u8ba1\u3001\u6a21\u578b\u7b97\u6cd5\u7b49\u6280\u672f\uff0c\u76f8\u5bf9\u590d\u6742\u3002\u56e0\u4e3a\u6570\u636e\u6316\u6398\u53d1\u73b0\u4e86\u672a\u6765\u7684\u4fe1\u606f\uff0c\u6700\u91cd\u8981\u7684\u662f\u4f7f\u7528\u5b83\uff1a\u9884\u6d4b\uff01\u9884\u6d4b\u516c\u53f8\u672a\u6765\u7684\u9500\u552e\u989d\uff0c\u9884\u6d4b\u4ea7\u54c1\u7684\u672a\u6765\u4ef7\u683c\u7b49\u7b49\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-116 size-full\" src=\"https:\/\/www.guandata.com\/gd\/wp-content\/uploads\/2022\/04\/2.jpeg\" alt=\"power bi\u80fd\u7834\u89e3\u5417,bi \u5927\u5c4f,bi\u65b9\u5411\" width=\"1080\" height=\"360\" srcset=\"https:\/\/www.guandata.com\/gd\/wp-content\/uploads\/2022\/04\/2.jpeg 1080w, https:\/\/www.guandata.com\/gd\/wp-content\/uploads\/2022\/04\/2-300x100.jpeg 300w, https:\/\/www.guandata.com\/gd\/wp-content\/uploads\/2022\/04\/2-1024x341.jpeg 1024w, https:\/\/www.guandata.com\/gd\/wp-content\/uploads\/2022\/04\/2-768x256.jpeg 768w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" 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Regression\uff1a\u673a\u5668\u5b66\u4e60\u4ece\u7edf\u8ba1\u9886\u57df\u501f\u7528\u7684\u53e6\u4e00\u79cd\u6280\u672f\u3002\u8fd9\u662f\u4e00\u79cd\u4e13\u95e8\u9488\u5bf9\u4e8c\u5143\u5206\u7c7b\u95ee\u9898\uff08\u5177\u6709\u4e24\u4e2a\u7c7b\u503c\u7684\u95ee\u9898\uff09\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u903b\u8f91\u56de\u5f52\u7c7b\u4f3c\u4e8e\u7ebf\u6027\u56de\u5f52\uff0c\u4e24\u8005\u7684\u76ee\u6807\u90fd\u662f\u627e\u5230\u6bcf\u4e2a\u8f93\u5165\u53d8\u91cf\u7684\u6743\u91cd\u503c\u3002\u4e0e\u7ebf\u6027\u56de\u5f52\u4e0d\u540c\uff0c\u8f93\u51fa\u9884\u6d4b\u503c\u5f97\u4f7f\u7528\u79f0\u4e3a\u903b\u8f91\u51fd\u6570\u7684\u975e\u7ebf\u6027\u51fd\u6570\u8fdb\u884c\u8f6c\u6362\u3002<\/p>\n<p>\u903b\u8f91\u51fd\u6570\u770b\u8d77\u6765\u50cf\u4e00\u4e2a\u5927 S\uff0c\u53ef\u4ee5\u5c06\u4efb\u4f55\u503c\u8f6c\u6362\u4e3a 0 \u5230 1 \u7684\u8303\u56f4\u3002\u8fd9\u5f88\u6709\u7528\uff0c\u56e0\u4e3a\u6211\u4eec\u53ef\u4ee5\u5c06\u76f8\u5e94\u7684\u89c4\u5219\u5e94\u7528\u4e8e\u903b\u8f91\u51fd\u6570\u7684\u8f93\u51fa\uff0c\u5c06\u503c\u5206\u7c7b\u4e3a 0 \u548c 1\uff08\u4f8b\u5982\uff0c\u5982\u679cIF\u5c0f\u4e8e0.5\uff0c\u5219\u8f93\u51fa1\uff09\u5e76\u9884\u6d4b\u7c7b\u503c\u3002<\/p>\n<p>\u7531\u4e8e\u6a21\u578b\u5b66\u4e60\u7684\u7279\u6b8a\u65b9\u5f0f\uff0c\u903b\u8f91\u56de\u5f52\u505a\u51fa\u7684\u9884\u6d4b\u4e5f\u53ef\u7528\u4e8e\u8ba1\u7b97\u5c5e\u4e8e 0 \u7c7b\u6216 1 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SVM \u4e2d\uff0c\u9009\u62e9\u4e00\u4e2a\u8d85\u5e73\u9762\u6765\u6309\u7c7b\uff080 \u7c7b\u6216 1 \u7c7b\uff09\u5c06\u8f93\u5165\u53d8\u91cf\u7a7a\u95f4\u4e2d\u7684\u70b9\u5206\u5f00\u3002\u5b83\u53ef\u4ee5\u770b\u4f5c\u662f\u4e8c\u7ef4\u7a7a\u95f4\u4e2d\u7684\u4e00\u6761\u7ebf\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u5b8c\u5168\u5206\u79bb\u6240\u6709\u8f93\u5165\u70b9\u3002SVM \u5b66\u4e60\u7b97\u6cd5\u5c31\u662f\u8981\u627e\u5230\u7ed9\u8d85\u5e73\u9762\u6700\u4f73\u5206\u7c7b\u7684\u7cfb\u6570\u3002<\/p>\n<p>\u8d85\u5e73\u9762\u4e0e\u6700\u8fd1\u6570\u636e\u70b9\u7684\u8ddd\u79bb\u79f0\u4e3a\u8fb9\u754c\uff0c\u8fb9\u754c\u6700\u5927\u7684\u8d85\u5e73\u9762\u662f\u6700\u4f73\u9009\u62e9\u3002\u540c\u65f6\uff0c\u53ea\u6709\u76f8\u4e92\u63a5\u8fd1\u7684\u6570\u636e\u70b9\u624d\u4e0e\u8d85\u5e73\u9762\u7684\u5b9a\u4e49\u548c\u5206\u7c7b\u5668\u7684\u6784\u5efa\u6709\u5173\u3002\u8fd9\u4e9b\u70b9\u79f0\u4e3a\u652f\u6301\u5411\u91cf\uff0c\u5b83\u4eec\u652f\u6301\u6216\u5b9a\u4e49\u8d85\u5e73\u9762\u3002\u5728\u5b9e\u8df5\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4f18\u5316\u7b97\u6cd5\u6765\u627e\u5230\u6700\u5927\u5316\u8fb9\u754c\u7684\u7cfb\u6570\u503c\u3002<\/p>\n<p>SVM \u53ef\u80fd\u662f\u6700\u5f3a\u5927\u7684\u5f00\u7bb1\u5373\u7528\u5206\u7c7b\u5668\u4e4b\u4e00\uff0c\u503c\u5f97\u4e00\u8bd5\u60a8\u7684\u6570\u636e\u96c6\u3002<\/p>\n<p>\uff08\u56db\uff09Decision Tree\uff1a\u51b3\u7b56\u6811\uff09\u662f\u6839\u636e\u5df2\u77e5\u7684\u5404\u79cd\u60c5\u51b5\u53d1\u751f\u7684\u6982\u7387\uff0c\u901a\u8fc7\u5f62\u6210\u51b3\u7b56\u6811\u5f97\u5230\u51c0\u73b0\u503c\u7684\u671f\u671b\u503c\u5927\u4e8e\u7b49\u4e8e\u96f6\u7684\u6982\u7387\uff0c\u8bc4\u4f30\u9879\u76ee\u98ce\u9669\uff0c\u5224\u65ad\u5176\u53ef\u884c\u6027\u51b3\u7b56\u5206\u6790\u65b9\u6cd5\u662f\u4e00\u79cd\u76f4\u89c2\u5730\u4f7f\u7528\u6982\u7387\u5206\u6790\u7684\u56fe\u5f62\u65b9\u6cd5\u3002\u56e0\u4e3a\u8fd9\u4e2a\u51b3\u7b56\u5206\u652f\u50cf\u6811\u7684\u5206\u652f\u4e00\u6837\u7ed8\u5236\u6210\u56fe\u5f62\uff0c\u6240\u4ee5\u79f0\u4e3a\u51b3\u7b56\u6811\u3002<\/p>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u51b3\u7b56\u6811\u662f\u4e00\u79cd\u9884\u6d4b\u6a21\u578b\uff0c\u8868\u793a\u5bf9\u8c61\u5c5e\u6027\u548c\u5bf9\u8c61\u503c\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u3002\u71b5 = \u7cfb\u7edf\u7684\u6742\u4e71\u7a0b\u5ea6\uff0c\u4f7f\u7528\u7b97\u6cd5 ID3\uff0cC4.5 \u548c C5.0 \u751f\u6210\u6811\u7b97\u6cd5\u4f7f\u7528\u71b5\u3002\u8be5\u5ea6\u91cf\u57fa\u4e8e\u4fe1\u606f\u5b66\u7406\u8bba\u4e2d\u7684\u71b5\u6982\u5ff5\u3002<\/p>\n<p>\u51b3\u7b56\u6811\u662f\u4e00\u79cd\u6811\u7ed3\u6784\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5185\u90e8\u8282\u70b9\u4ee3\u8868\u4e00\u4e2a\u5c5e\u6027\u7684\u6d4b\u8bd5\uff0c\u6bcf\u4e2a\u5206\u652f\u4ee3\u8868\u4e00\u4e2a\u6d4b\u8bd5\u8f93\u51fa\uff0c\u6bcf\u4e2a\u53f6\u8282\u70b9\u4ee3\u8868\u4e00\u4e2a\u7c7b\u522b\u3002<\/p>\n<p>\u5206\u7c7b\u6811\uff08decision tree\uff09\u662f\u4e00\u79cd\u5f88\u5e38\u89c1\u7684\u5206\u7c7b\u65b9\u6cd5\u3002\u5b83\u662f\u4e00\u79cd\u76d1\u7763\u5b66\u4e60\u3002\u6240\u8c13\u76d1\u7763\u5b66\u4e60\uff0c\u5c31\u662f\u7ed9\u4e00\u5806\u6837\u672c\uff0c\u6bcf\u4e2a\u6837\u672c\u90fd\u6709\u4e00\u7ec4\u5c5e\u6027\u548c\u4e00\u4e2a\u7c7b\u522b\uff0c\u8fd9\u4e9b\u7c7b\u522b\u662f\u4e8b\u5148\u786e\u5b9a\u597d\u7684\uff0c\u7136\u540e\u901a\u8fc7\u5b66\u4e60\u5f97\u5230\u4e00\u4e2a\u5206\u7c7b\u5668\uff0c\u8fd9\u4e2a\u5206\u7c7b\u5668\u53ef\u4ee5\u7ed9\u5bf9\u8c61\u6b63\u786e\u7684\u5206\u7c7b. \u8fd9\u79cd\u673a\u5668\u5b66\u4e60\u79f0\u4e3a\u76d1\u7763\u5b66\u4e60\u3002<\/p>\n<p>\uff08\u4e94\uff09\u968f\u673a\u68ee\u6797\uff1a\u968f\u673a\u68ee\u6797\u662f\u6307\u4f7f\u7528\u591a\u68f5\u6811\u6765\u8bad\u7ec3\u548c\u9884\u6d4b\u6837\u672c\u7684\u5206\u7c7b\u5668\u3002<\/p>\n<p>\u5728\u673a\u5668\u5b66\u4e60\u4e2d\uff0c\u968f\u673a\u68ee\u6797\u662f\u7531\u591a\u68f5\u51b3\u7b56\u6811\u7ec4\u6210\u7684\u5206\u7c7b\u5668\uff0c\u5176\u8f93\u51fa\u7684\u7c7b\u7531\u5404\u4e2a\u6811\u8f93\u51fa\u7684\u7c7b\u7684\u6a21\u5f0f\u51b3\u5b9a\u3002<\/p>\n<p>\u968f\u673a\u68ee\u6797\u662f\u6700\u6d41\u884c\u548c\u6700\u5f3a\u5927\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\u4e4b\u4e00\u3002\u5b83\u662f\u4e00\u79cd\u96c6\u6210\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u79f0\u4e3a Bootstrap Aggregation \u6216 Bagging\u3002<\/p>\n<p>Bootstrap \u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7edf\u8ba1\u65b9\u6cd5\uff0c\u7528\u4e8e\u4ece\u6570\u636e\u6837\u672c\u4e2d\u4f30\u8ba1\u6570\u91cf\uff0c\u4f8b\u5982\u5e73\u5747\u503c\u3002\u5b83\u9700\u8981\u5927\u91cf\u6570\u636e\u6837\u672c\uff0c\u8ba1\u7b97\u5e73\u5747\u503c\uff0c\u7136\u540e\u5bf9\u6240\u6709\u5e73\u5747\u503c\u8fdb\u884c\u5e73\u5747\u4ee5\u66f4\u51c6\u786e\u5730\u4f30\u8ba1\u771f\u5b9e\u5e73\u5747\u503c\u3002<\/p>\n<p>bagging \u4e2d\u4f7f\u7528\u4e86\u76f8\u540c\u7684\u65b9\u6cd5\uff0c\u4f46\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u4f7f\u7528\u51b3\u7b56\u6811\u800c\u4e0d\u662f\u4f30\u8ba1\u6574\u4e2a\u7edf\u8ba1\u6a21\u578b\u3002\u5b83\u5bf9\u8bad\u7ec3\u6570\u636e\u8fdb\u884c\u591a\u91cd\u91c7\u6837\uff0c\u7136\u540e\u4e3a\u6bcf\u4e2a\u6570\u636e\u6837\u672c\u6784\u5efa\u4e00\u4e2a\u6a21\u578b\u3002\u5f53\u60a8\u9700\u8981\u5bf9\u65b0\u6570\u636e\u8fdb\u884c\u9884\u6d4b\u65f6\uff0c\u6bcf\u4e2a\u6a21\u578b\u90fd\u4f1a\u8fdb\u884c\u9884\u6d4b\uff0c\u5e76\u5bf9\u9884\u6d4b\u8fdb\u884c\u5e73\u5747\u4ee5\u83b7\u5f97\u5bf9\u771f\u5b9e\u8f93\u51fa\u503c\u7684\u66f4\u597d\u4f30\u8ba1\u3002<\/p>\n<p>\u968f\u673a\u68ee\u6797\u662f\u5bf9\u51b3\u7b56\u6811\u7684\u4e00\u79cd\u8c03\u6574\uff0c\u901a\u8fc7\u5f15\u5165\u968f\u673a\u6027\u800c\u4e0d\u662f\u9009\u62e9\u6700\u4f73\u5206\u5272\u70b9\u6765\u5b9e\u73b0\u6b21\u4f18\u5206\u5272\u3002\u56e0\u6b64\uff0c\u4e3a\u6bcf\u4e2a\u6570\u636e\u6837\u672c\u521b\u5efa\u7684\u6a21\u578b\u5c06\u66f4\u52a0\u591a\u6837\u5316\uff0c\u4f46\u5728\u5b83\u4eec\u81ea\u5df1\u7684\u610f\u4e49\u4e0a\u4ecd\u7136\u662f\u51c6\u786e\u7684\u3002\u7ed3\u5408\u9884\u6d4b\u7ed3\u679c\u53ef\u4ee5\u66f4\u597d\u5730\u4f30\u8ba1\u51fa\u6b63\u786e\u7684\u6f5c\u5728\u8f93\u51fa\u503c\u3002<\/p>\n<p>\u5982\u679c\u60a8\u4f7f\u7528\u9ad8\u65b9\u5dee\u7b97\u6cd5\uff08\u5982\u51b3\u7b56\u6811\uff09\u83b7\u5f97\u4e86\u826f\u597d\u7684\u7ed3\u679c\uff0c\u90a3\u4e48\u6dfb\u52a0\u6b64\u7b97\u6cd5\u6548\u679c\u4f1a\u66f4\u597d\u3002<\/p>\n<p>\uff08\u516d\uff09\u7ebf\u6027\u56de\u5f52\uff1a\u7ebf\u6027\u56de\u5f52\u662f\u5728\u6570\u7406\u7edf\u8ba1\u4e2d\u5229\u7528\u56de\u5f52\u5206\u6790\u6765\u786e\u5b9a\u4e24\u4e2a\u6216\u591a\u4e2a\u53d8\u91cf\u4e4b\u95f4\u76f8\u4e92\u4f9d\u8d56\u7684\u5b9a\u91cf\u5173\u7cfb\u7684\u4e00\u79cd\u7edf\u8ba1\u5206\u6790\u65b9\u6cd5\u3002\u5e94\u7528\u5e7f\u6cdb\u3002\u5728\u56de\u5f52\u5206\u6790\u4e2d\uff0c\u53ea\u5305\u62ec\u4e00\u4e2a\u81ea\u53d8\u91cf\u548c\u4e00\u4e2a\u56e0\u53d8\u91cf\uff0c\u800c\u4e24\u8005\u4e4b\u95f4\u7684\u5173\u7cfb\u53ef\u4ee5\u7528\u4e00\u6761\u76f4\u7ebf\u6765\u8fd1\u4f3c\uff0c\u8fd9\u79cd\u56de\u5f52\u5206\u6790\u79f0\u4e3a\u5355\u53d8\u91cf\u7ebf\u6027\u56de\u5f52\u5206\u6790\u3002\u5982\u679c\u56de\u5f52\u5206\u6790\u5305\u62ec\u4e24\u4e2a\u6216\u591a\u4e2a\u81ea\u53d8\u91cf\uff0c\u4e14\u56e0\u53d8\u91cf\u4e0e\u81ea\u53d8\u91cf\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u79f0\u4e3a\u591a\u5143\u7ebf\u6027\u56de\u5f52\u5206\u6790\u3002<\/p>\n<p>\u5355\u53d8\u91cf\u7ebf\u6027\u56de\u5f52\u7531\u4e00\u4e2a\u65b9\u7a0b\u8868\u793a\uff0c\u8be5\u65b9\u7a0b\u901a\u8fc7\u627e\u5230\u8f93\u5165\u53d8\u91cf\u7684\u7279\u5b9a\u6743\u91cd (B) \u6765\u63cf\u8ff0\u8f93\u5165\u53d8\u91cf (x) \u548c\u8f93\u51fa\u53d8\u91cf (y) \u4e4b\u95f4\u7684\u7ebf\u6027\u5173\u7cfb\u3002\u793a\u4f8b\uff1ay = B0 + B1* x\u3002\u7ed9\u5b9a\u4e00\u4e2a\u8f93\u5165x\uff0c\u6211\u4eec\u5c06\u9884\u6d4by\uff0c\u7ebf\u6027\u56de\u5f52\u5b66\u4e60\u7b97\u6cd5\u7684\u76ee\u6807\u662f\u627e\u5230\u7cfb\u6570B0\u548cB1\u7684\u503c\u3002<\/p>\n<p>\u7ebf\u6027\u56de\u5f52\u5df2\u7ecf\u5b58\u5728\u4e86 200 \u591a\u5e74\uff0c\u5e76\u5f97\u5230\u4e86\u5e7f\u6cdb\u7684\u7814\u7a76\u3002\u5982\u679c\u53ef\u80fd\uff0c\u4f7f\u7528\u6b64\u6280\u672f\u65f6\u7684\u4e00\u4e9b\u7ecf\u9a8c\u6cd5\u5219\u662f\u5220\u9664\u975e\u5e38\u76f8\u4f3c\uff08\u76f8\u5173\uff09\u7684\u53d8\u91cf\u5e76\u4ece\u6570\u636e\u4e2d\u5220\u9664\u566a\u58f0\u3002<\/p>\n<p>(\u4e03\uff09K-means\uff1aK-means\u805a\u7c7b\u7b97\u6cd5\u968f\u673a\u9009\u62e9K\u4e2a\u5bf9\u8c61\u4f5c\u4e3a\u521d\u59cb\u805a\u7c7b\u4e2d\u5fc3\u3002\u7136\u540e\u8ba1\u7b97\u6bcf\u4e2a\u5bf9\u8c61\u5230\u6bcf\u4e2a\u79cd\u5b50\u805a\u7c7b\u4e2d\u5fc3\u7684\u8ddd\u79bb\uff0c\u5c06\u6bcf\u4e2a\u5bf9\u8c61\u5206\u914d\u5230\u8ddd\u79bb\u6700\u8fd1\u7684\u805a\u7c7b\u4e2d\u5fc3\u7c07\u4e2d\u5fc3\u548c\u5206\u914d\u7ed9\u5b83\u4eec\u7684\u5bf9\u8c61\u4ee3\u8868\u4e00\u4e2a\u7c07\uff0c\u4e00\u65e6\u6240\u6709\u5bf9\u8c61\u90fd\u5206\u914d\u5b8c\u6bd5\uff0c\u6bcf\u4e2a\u7c07\u7684\u7c07\u4e2d\u5fc3\u6839\u636e\u7c07\u4e2d\u5df2\u6709\u7684\u5bf9\u8c61\u91cd\u65b0\u8ba1\u7b97\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u4e0d\u65ad\u91cd\u590d\uff0c\u76f4\u5230\u8fbe\u5230\u67d0\u4e2a\u7ec8\u6b62\u6761\u4ef6\u7ec8\u6b62\u6761\u4ef6\u53ef\u4ee5\u662f\u6ca1\u6709\uff08\u6216\u6700\u5c0f\u6570\u91cf\uff09\u5bf9\u8c61\u88ab\u91cd\u65b0\u5206\u914d\u5230\u4e0d\u540c\u7684\u7c07\uff0c\u6ca1\u6709\uff08\u6216\u6700\u5c0f\u6570\u91cf\uff09\u7c07\u4e2d\u5fc3\u518d\u6b21\u53d1\u751f\u53d8\u5316\uff0c\u8bef\u5dee\u5e73\u65b9\u548c\u5c40\u90e8\u6700\u5c0f\u503c\u3002<\/p>\n<p>\u805a\u7c7b\u662f\u5c06\u6570\u636e\u96c6\u7ec4\u7ec7\u6210\u5728\u67d0\u4e9b\u65b9\u9762\u76f8\u4f3c\u7684\u7c7b\u522b\u7684\u8fc7\u7a0b\u3002\u805a\u7c7b\u662f\u4e00\u79cd\u53d1\u73b0\u8fd9\u79cd\u56fa\u6709\u7ed3\u6784\u7684\u6280\u672f\u3002\u805a\u7c7b\u6280\u672f\u901a\u5e38\u88ab\u79f0\u4e3a\u65e0\u76d1\u7763\u5b66\u4e60\u3002<\/p>\n<p>K-means \u805a\u7c7b\u662f\u6700\u8457\u540d\u7684\u5206\u533a\u805a\u7c7b\u7b97\u6cd5\uff0c\u5176\u7b80\u5355\u6027\u548c\u9ad8\u6548\u6027\u4f7f\u5176\u6210\u4e3a\u6240\u6709\u805a\u7c7b\u7b97\u6cd5\u4e2d\u5e94\u7528\u6700\u5e7f\u6cdb\u7684\u7b97\u6cd5\u3002\u7ed9\u5b9a\u4e00\u7ec4\u6570\u636e\u70b9\u548c\u6240\u9700\u7684\u7c07\u6570 k\uff0c\u5176\u4e2d k \u7531\u7528\u6237\u6307\u5b9a\uff0ck-means \u7b97\u6cd5\u6839\u636e\u4e00\u5b9a\u7684\u8ddd\u79bb\u51fd\u6570\u5c06\u6570\u636e\u91cd\u590d\u5212\u5206\u4e3a k \u4e2a\u7c07\u3002<\/p>\n<p>\uff08\u516b\uff09\u9ad8\u65af\u6df7\u5408\u6a21\u578b\uff1a\u9ad8\u65af\u6df7\u5408\u6a21\u578b\u662f\u5229\u7528\u9ad8\u65af\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\uff08\u6b63\u6001\u5206\u5e03\u66f2\u7ebf\uff09\u5bf9\u4e8b\u7269\u8fdb\u884c\u7cbe\u786e\u91cf\u5316\uff0c\u662f\u5c06\u4e8b\u7269\u5206\u89e3\u6210\u82e5\u5e72\u4e2a\u9ad8\u65af\u6982\u7387\u5bc6\u5ea6\u51fd\u6570\uff08\u6b63\u6001\u5206\u5e03\u66f2\u7ebf\uff09\u7684\u6a21\u578b\u5f62\u6210\u7684\u4f30\u8ba1\u6a21\u578b\u662f\u51e0\u4e2a\u9ad8\u65af\u6a21\u578b\u7684\u52a0\u6743\u548c\uff08\u5177\u4f53\u6765\u8bf4\uff0c\u6a21\u578b\u8bad\u7ec3\u524d\u5fc5\u987b\u5efa\u7acb\u51e0\u4e2a\uff09\u6bcf\u4e2a\u9ad8\u65af\u6a21\u578b\u4ee3\u8868\u4e00\u4e2a\u7c7b\uff08\u4e00\u4e2aCluster\uff09\uff0c\u5728\u51e0\u4e2a\u9ad8\u65af\u6a21\u578b\u4e0a\u6295\u5f71\u4f1a\u5f97\u5230\u6bcf\u4e2a\u7c7b\u7684\u6982\u7387\u3002\u7136\u540e\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u6982\u7387\u6700\u9ad8\u7684\u7c7b\u4f5c\u4e3a\u51b3\u7b56\u7ed3\u679c\u3002<\/p>\n<p>\uff08\u4e5d\uff09DBSCAN\uff1aDBSCAN\uff08Density-Based Spatial Clustering of Applications with 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