{"id":195938,"date":"2024-05-09T22:26:02","date_gmt":"2024-05-09T14:26:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/195938.html"},"modified":"2024-05-09T22:26:07","modified_gmt":"2024-05-09T14:26:07","slug":"%e5%a6%82%e4%bd%95%e7%94%a8%e7%86%b5%e6%9d%83%e6%b3%95%e8%ae%a1%e7%ae%97%e6%9d%83%e9%87%8d","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/195938.html","title":{"rendered":"\u5982\u4f55\u7528\u71b5\u6743\u6cd5\u8ba1\u7b97\u6743\u91cd"},"content":{"rendered":"

\"\u5982\u4f55\u7528\u71b5\u6743\u6cd5\u8ba1\u7b97\u6743\u91cd\"<\/p>\n

\u71b5\u6743\u6cd5\u8ba1\u7b97\u6743\u91cd<\/strong>\u662f\u4e00\u79cd\u57fa\u4e8e\u4fe1\u606f\u71b5\u539f\u7406\u7684\u5ba2\u89c2\u8d4b\u6743\u65b9\u6cd5\uff0c\u7528\u4e8e\u786e\u5b9a\u5404\u8bc4\u4ef7\u6307\u6807\u7684\u6743\u91cd\u3002\u5b83\u4e3b\u8981\u901a\u8fc7\u8bc4\u4ef7\u6307\u6807\u7684\u53d8\u5f02\u7a0b\u5ea6\u6765\u786e\u5b9a\u6743\u91cd\uff0c\u5176\u6b65\u9aa4\u5305\u62ec\uff1a\u6570\u636e\u6807\u51c6\u5316\u5904\u7406\u3001\u8ba1\u7b97\u6307\u6807\u7684\u4fe1\u606f\u71b5\u548c\u4fe1\u606f\u6548\u7528\u503c\u3001\u8ba1\u7b97\u5404\u6307\u6807\u7684\u6743\u91cd<\/strong>\u3002\u8fd9\u79cd\u65b9\u6cd5\u5f3a\u8c03\u7684\u662f\u6307\u6807\u7684\u79bb\u6563\u7a0b\u5ea6\uff1a\u6307\u6807\u503c\u5206\u5e03\u8d8a\u79bb\u6563\uff0c\u4fe1\u606f\u71b5\u8d8a\u4f4e\uff0c\u8be5\u6307\u6807\u6743\u91cd\u8d8a\u5927\u3002<\/p>\n<\/p>\n

\u5728\u8be6\u7ec6\u63cf\u8ff0\u4fe1\u606f\u71b5\u7684\u8ba1\u7b97\u6b65\u9aa4<\/strong>\u65f6\uff0c\u9996\u5148\u9700\u8981\u5bf9\u5404\u6307\u6807\u6570\u636e\u8fdb\u884c\u65e0\u91cf\u7eb2\u5316\u5904\u7406\uff0c\u786e\u4fdd\u6570\u636e\u53ef\u6bd4\u6027\u3002\u7136\u540e\u8ba1\u7b97\u5404\u6307\u6807\u7684\u4fe1\u606f\u71b5\u503c\uff0c\u53cd\u6620\u4e86\u8be5\u6307\u6807\u7684\u79bb\u6563\u7a0b\u5ea6\u3002\u968f\u540e\uff0c\u901a\u8fc7\u4fe1\u606f\u71b5\u6765\u786e\u5b9a\u6bcf\u4e2a\u6307\u6807\u7684\u4fe1\u606f\u6548\u7528\u503c\u3002\u6700\u540e\uff0c\u6839\u636e\u4fe1\u606f\u6548\u7528\u503c\u8ba1\u7b97\u5f97\u5230\u5404\u6307\u6807\u7684\u6743\u91cd\u3002<\/p>\n<\/p>\n

\n

\u4e00\u3001\u6570\u636e\u6807\u51c6\u5316\u5904\u7406<\/h2>\n<\/p>\n

\u5728\u8ba1\u7b97\u6743\u91cd\u524d\uff0c\u4e3a\u6d88\u9664\u4e0d\u540c\u6307\u6807\u91cf\u7eb2\u548c\u6570\u91cf\u7ea7\u7684\u5f71\u54cd\uff0c\u9700\u8981\u5148\u5c06\u539f\u59cb\u6570\u636e\u8fdb\u884c\u6807\u51c6\u5316\u5904\u7406<\/strong>\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u6709\u6781\u5dee\u6cd5\u6807\u51c6\u5316\u3001Z-Score\u6807\u51c6\u5316\u7b49\u3002<\/p>\n<\/p>\n

\u6781\u5dee\u6cd5\u6807\u51c6\u5316<\/h3>\n<\/p>\n

\u8fd9\u79cd\u65b9\u6cd5\u901a\u8fc7\u6bcf\u4e00\u6307\u6807\u7684\u5b9e\u9645\u6570\u503c\u4e0e\u5176\u6781\u5dee\u7684\u6bd4\u503c\uff0c\u5c06\u4e0d\u540c\u7684\u6307\u6807\u8f6c\u6362\u5230\u76f8\u540c\u7684\u53c2\u8003\u7cfb\uff0c\u901a\u5e38\u7528\u4e8e\u6b63\u5411\u6307\u6807\u3002<\/p>\n<\/p>\n

Z-Score\u6807\u51c6\u5316<\/h3>\n<\/p>\n

\u53c8\u79f0\u4e3a\u6807\u51c6\u5dee\u6807\u51c6\u5316\uff0c\u901a\u8fc7\u6bcf\u4e00\u6570\u636e\u4e0e\u5747\u503c\u7684\u5dee\u4e0e\u6807\u51c6\u5dee\u7684\u6bd4\u503c\uff0c\u8fdb\u884c\u65e0\u91cf\u7eb2\u5316\u5904\u7406\uff0c\u5b83\u9002\u5408\u4e8e\u7b26\u5408\u6b63\u6001\u5206\u5e03\u7684\u6570\u636e\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u8ba1\u7b97\u6307\u6807\u7684\u4fe1\u606f\u71b5<\/h2>\n<\/p>\n

\u4fe1\u606f\u71b5\u662f\u8868\u793a\u968f\u673a\u53d8\u91cf\u4e0d\u786e\u5b9a\u6027\u7684\u5ea6\u91cf\uff0c\u5176\u8ba1\u7b97\u65b9\u6cd5\u4f53\u73b0\u4e86\u6307\u6807\u4e0d\u786e\u5b9a\u6027\u7684\u5927\u5c0f\u3002\u4e00\u4e2a\u6307\u6807\u7684\u53d8\u5316\u8d8a\u4e0d\u786e\u5b9a\uff0c\u4fe1\u606f\u71b5\u5c31\u8d8a\u5927\uff0c\u76f8\u5bf9\u7684\u6743\u91cd\u5c31\u8d8a\u5c0f<\/strong>\u3002<\/p>\n<\/p>\n

\u8ba1\u7b97\u5404\u72b6\u6001\u6982\u7387\u5206\u5e03<\/h3>\n<\/p>\n

\u5c06\u6807\u51c6\u5316\u540e\u7684\u6570\u636e\u7528\u4e8e\u8ba1\u7b97\u6bcf\u4e2a\u6307\u6807\u5bf9\u4e8e\u6574\u4e2a\u8bc4\u4ef7\u4f53\u7cfb\u7684\u8d21\u732e\u5ea6\uff0c\u4e5f\u5373\u72b6\u6001\u6982\u7387\u5206\u5e03\u3002<\/p>\n<\/p>\n

\u8ba1\u7b97\u4fe1\u606f\u71b5<\/h3>\n<\/p>\n

\u5229\u7528\u72b6\u6001\u6982\u7387\u5206\u5e03\u8ba1\u7b97\u6bcf\u4e2a\u6307\u6807\u7684\u4fe1\u606f\u71b5\uff0c\u5176\u516c\u5f0f\u901a\u5e38\u5982\u4e0b\uff1a(E_j = -k \\sum_{i=1}^{n} p_{ij} \\ln{p_{ij}})\uff0c\u5176\u4e2d(k = 1\/\\ln{n})\uff0c\u8fd9\u91cc(p_{ij})\u662f\u7b2c(i)\u4e2a\u6837\u672c\u5728\u7b2c(j)\u4e2a\u6307\u6807\u4e0a\u7684\u72b6\u6001\u6982\u7387\u5206\u5e03\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u8ba1\u7b97\u4fe1\u606f\u6548\u7528\u503c<\/h2>\n<\/p>\n

\u4fe1\u606f\u6548\u7528\u503c\u8861\u91cf\u4e86\u6307\u6807\u7684\u6709\u6548\u4fe1\u606f\u91cf\uff0c\u4e0e\u4fe1\u606f\u71b5\u6210\u53cd\u6bd4\u3002<\/p>\n<\/p>\n

\u8ba1\u7b97\u71b5\u5197\u4f59<\/h3>\n<\/p>\n

\u71b5\u5197\u4f59\u662f\u7528\u6765\u8861\u91cf\u6307\u6807\u542b\u6709\u7684\u975e\u5197\u4f59\u4fe1\u606f\u91cf\uff0c\u8ba1\u7b97\u516c\u5f0f\u4e3a(1-E_j)\uff0c\u5f53\u71b5\u5197\u4f59\u503c\u8d8a\u5927\u65f6\uff0c\u8bf4\u660e\u6307\u6807\u4e2d\u5305\u542b\u7684\u6709\u6548\u4fe1\u606f\u8d8a\u591a\u3002<\/p>\n<\/p>\n

\u8ba1\u7b97\u4fe1\u606f\u6548\u7528\u503c<\/h3>\n<\/p>\n

\u901a\u8fc7\u4fe1\u606f\u71b5\u548c\u71b5\u5197\u4f59\uff0c\u53ef\u4ee5\u5bf9\u6bcf\u4e2a\u6307\u6807\u6c42\u51fa\u4e00\u4e2a\u4fe1\u606f\u6548\u7528\u503c\uff0c\u5373(D_j = 1-E_j)\u3002<\/p>\n<\/p>\n

\u56db\u3001\u8ba1\u7b97\u5404\u6307\u6807\u7684\u6743\u91cd<\/h2>\n<\/p>\n

\u6839\u636e\u4fe1\u606f\u6548\u7528\u503c\uff0c\u6700\u7ec8\u786e\u5b9a\u5404\u8bc4\u4ef7\u6307\u6807\u5728\u6574\u4e2a\u8bc4\u4ef7\u4f53\u7cfb\u4e2d\u7684\u76f8\u5bf9\u91cd\u8981\u7a0b\u5ea6\uff0c\u5373\u6743\u91cd<\/strong>\u3002<\/p>\n<\/p>\n

\u6743\u91cd\u8ba1\u7b97\u516c\u5f0f<\/h3>\n<\/p>\n

\u6743\u91cd\u7684\u786e\u5b9a\u4f9d\u9760\u4fe1\u606f\u6548\u7528\u503c\u4e0e\u6240\u6709\u6307\u6807\u6548\u7528\u503c\u603b\u548c\u7684\u6bd4\u503c\uff0c\u8868\u8fbe\u5f0f\u4e3a(W_j = D_j \/ \\sum_{j=1}^{m}D_j)\u3002<\/p>\n<\/p>\n

\u6743\u91cd\u5f52\u4e00\u5316<\/h3>\n<\/p>\n

\u4e3a\u4fdd\u8bc1\u6240\u6709\u6743\u91cd\u4e4b\u548c\u4e3a1\uff0c\u5e38\u5e38\u5bf9\u521d\u6b65\u8ba1\u7b97\u51fa\u7684\u6743\u91cd\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\u3002<\/p>\n<\/p>\n

\n

\u71b5\u6743\u6cd5\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\u8ba1\u7b97\u5f97\u5230\u5404\u6307\u6807\u7684\u6743\u91cd\uff0c\u5b83\u662f\u4e00\u79cd\u5ba2\u89c2\u8d4b\u6743\u7684\u6709\u6548\u5de5\u5177\uff0c\u7279\u522b\u9002\u7528\u4e8e\u591a\u6307\u6807\u7efc\u5408\u8bc4\u4ef7\u95ee\u9898\u3002\u901a\u8fc7\u8be5\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8f83\u771f\u5b9e\u5730\u53cd\u6620\u5404\u6307\u6807\u5728\u7efc\u5408\u8bc4\u4ef7\u4e2d\u7684\u4f5c\u7528\u5927\u5c0f\uff0c\u76f8\u6bd4\u4e3b\u89c2\u8d4b\u6743\u6cd5\u66f4\u52a0\u79d1\u5b66\u548c\u5408\u7406\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u71b5\u6743\u6cd5\u4e3a\u51b3\u7b56\u63d0\u4f9b\u4e86\u91cf\u5316\u7684\u6570\u636e\u652f\u6301<\/strong>\uff0c\u88ab\u5e7f\u6cdb\u4f7f\u7528\u4e8e\u7ecf\u6d4e\u7ba1\u7406\u3001\u73af\u5883\u8bc4\u4ef7\u3001\u6280\u672f\u8bc4\u4f30\u548c\u793e\u4f1a\u79d1\u5b66\u7b49\u9886\u57df\uff0c\u786e\u4fdd\u4e86\u5404\u6307\u6807\u6743\u91cd\u7684\u5408\u7406\u786e\u5b9a\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

\u4ec0\u4e48\u662f\u71b5\u6743\u6cd5\uff1f<\/strong><\/p>\n

\u71b5\u6743\u6cd5\u662f\u4e00\u79cd\u5e38\u7528\u7684\u591a\u6307\u6807\u7efc\u5408\u8bc4\u4ef7\u65b9\u6cd5\uff0c\u5b83\u57fa\u4e8e\u4fe1\u606f\u71b5\u7406\u8bba\u6765\u8ba1\u7b97\u5404\u6307\u6807\u7684\u6743\u91cd\u3002\u71b5\u6743\u6cd5\u53ef\u4ee5\u7efc\u5408\u8003\u8651\u591a\u4e2a\u6307\u6807\u7684\u91cd\u8981\u6027\uff0c\u8fdb\u800c\u8fdb\u884c\u51b3\u7b56\u6216\u6392\u5e8f\u3002<\/p>\n

\u71b5\u6743\u6cd5\u7684\u8ba1\u7b97\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f<\/strong><\/p>\n

    \n
  1. \n

    \u6536\u96c6\u6570\u636e\uff1a\u9996\u5148\uff0c\u8981\u660e\u786e\u5404\u6307\u6807\u7684\u5177\u4f53\u542b\u4e49\uff0c\u5e76\u6536\u96c6\u76f8\u5173\u6570\u636e\u3002<\/p>\n<\/li>\n

  2. \n

    \u6570\u636e\u5f52\u4e00\u5316\uff1a\u5c06\u6536\u96c6\u5230\u7684\u6570\u636e\u8fdb\u884c\u5f52\u4e00\u5316\u5904\u7406\uff0c\u4fdd\u8bc1\u6307\u6807\u4e4b\u95f4\u7684\u53ef\u6bd4\u6027\u3002<\/p>\n<\/li>\n

  3. \n

    \u8ba1\u7b97\u6307\u6807\u7684\u71b5\u503c\uff1a\u6839\u636e\u5f52\u4e00\u5316\u540e\u7684\u6570\u636e\uff0c\u5229\u7528\u71b5\u516c\u5f0f\u8ba1\u7b97\u6bcf\u4e2a\u6307\u6807\u7684\u71b5\u503c\u3002\u71b5\u503c\u8d8a\u5927\uff0c\u8868\u793a\u6307\u6807\u7684\u4fe1\u606f\u91cf\u8d8a\u9ad8\uff0c\u5373\u8be5\u6307\u6807\u7684\u91cd\u8981\u6027\u8d8a\u5927\u3002<\/p>\n<\/li>\n

  4. \n

    \u8ba1\u7b97\u6307\u6807\u7684\u6743\u91cd\uff1a\u6839\u636e\u6307\u6807\u7684\u71b5\u503c\uff0c\u8ba1\u7b97\u6bcf\u4e2a\u6307\u6807\u7684\u6743\u91cd\u3002\u6743\u91cd\u7684\u8ba1\u7b97\u516c\u5f0f\u4e3a\uff1a\u6743\u91cd = \u8be5\u6307\u6807\u7684\u71b5\u503c \/ \u6240\u6709\u6307\u6807\u71b5\u503c\u4e4b\u548c\u3002<\/p>\n<\/li>\n

  5. \n

    \u6839\u636e\u6743\u91cd\u8fdb\u884c\u51b3\u7b56\uff1a\u6839\u636e\u6307\u6807\u7684\u6743\u91cd\uff0c\u53ef\u4ee5\u5bf9\u4e0d\u540c\u65b9\u6848\u6216\u9009\u9879\u8fdb\u884c\u6392\u5e8f\u6216\u51b3\u7b56\uff0c\u9009\u62e9\u6743\u91cd\u8f83\u9ad8\u7684\u65b9\u6848\u6216\u9009\u9879\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u71b5\u6743\u6cd5\u6709\u54ea\u4e9b\u4f18\u70b9\uff1f<\/strong><\/p>\n

      \n
    • \n

      \u7efc\u5408\u6027\u5f3a\uff1a\u71b5\u6743\u6cd5\u53ef\u4ee5\u7efc\u5408\u8003\u8651\u591a\u4e2a\u6307\u6807\u7684\u91cd\u8981\u6027\uff0c\u907f\u514d\u4e86\u5355\u4e00\u6307\u6807\u8bc4\u4ef7\u7684\u4e3b\u89c2\u6027\u3002<\/p>\n<\/li>\n

    • \n

      \u7075\u6d3b\u6027\u9ad8\uff1a\u71b5\u6743\u6cd5\u9002\u7528\u4e8e\u5404\u79cd\u7c7b\u578b\u7684\u6307\u6807\uff0c\u65e0\u8bba\u662f\u5b9a\u6027\u6307\u6807\u8fd8\u662f\u5b9a\u91cf\u6307\u6807\u3002<\/p>\n<\/li>\n

    • \n

      \u65b9\u4fbf\u5feb\u6377\uff1a\u71b5\u6743\u6cd5\u7684\u8ba1\u7b97\u6b65\u9aa4\u7b80\u5355\uff0c\u8ba1\u7b97\u8fc7\u7a0b\u8f83\u4e3a\u76f4\u89c2\uff0c\u6613\u4e8e\u7406\u89e3\u548c\u64cd\u4f5c\u3002<\/p>\n<\/li>\n

    • \n

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