{"id":28112,"date":"2023-09-18T19:16:02","date_gmt":"2023-09-18T11:16:02","guid":{"rendered":"\/\/www.dealsbon.com\/?p=28112"},"modified":"2023-09-18T19:16:02","modified_gmt":"2023-09-18T11:16:02","slug":"xxzyjsff","status":"publish","type":"post","link":"\/\/www.dealsbon.com\/blog\/28112.html","title":{"rendered":"\u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5"},"content":{"rendered":"

  \u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5\u662f\u4e00\u79cd\u57fa\u4e8e\u4fe1\u606f\u8bba\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u5b83\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7279\u5f81\u4e0e\u6807\u7b7e\u4e4b\u95f4\u7684\u5173\u8054\u5ea6\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3001\u5206\u7c7b\u548c\u56de\u5f52\u5206\u6790\u3002\u5b83\u662f\u4e00\u79cd\u7ecf\u5178\u7684\u51b3\u7b56\u6811\u5b66\u4e60\u7b97\u6cd5\uff0c\u53ef\u7528\u6765\u5904\u7406\u5206\u7c7b\u548c\u56de\u5f52\u95ee\u9898\u3002<\/p>\n

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  \u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5\u7684\u57fa\u672c\u601d\u60f3\u662f\uff1a\u5728\u7ed9\u5b9a\u6570\u636e\u96c6\u7684\u60c5\u51b5\u4e0b\uff0c\u901a\u8fc7\u8ba1\u7b97\u6bcf\u4e2a\u7279\u5f81\u4e0e\u6807\u7b7e\u4e4b\u95f4\u7684\u5173\u8054\u5ea6\uff0c\u627e\u51fa\u6700\u6709\u5229\u4e8e\u5206\u7c7b\u7684\u7279\u5f81\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u548c\u5206\u7c7b\u3002<\/p>\n

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  H(X) = -\u2211P(x)logP(x)<\/p>\n

  \u5176\u4e2d\uff0cX\u4e3a\u7279\u5f81\uff0cP(x)\u4e3a\u6807\u7b7e\u7684\u6982\u7387\u5206\u5e03\u3002\u71b5\u503c\u8d8a\u5927\uff0c\u8bf4\u660e\u7279\u5f81\u4e0e\u6807\u7b7e\u4e4b\u95f4\u7684\u5173\u8054\u5ea6\u8d8a\u5f3a\uff0c\u4e5f\u5c31\u662f\u4fe1\u606f\u589e\u76ca\u8d8a\u5927\u3002<\/p>\n

\u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5\u7684\u5e94\u7528<\/h3>\n

  \u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3001\u5206\u7c7b\u548c\u56de\u5f52\u5206\u6790\u3002\u5b83\u53ef\u4ee5\u7528\u6765\u5904\u7406\u5206\u7c7b\u548c\u56de\u5f52\u95ee\u9898\uff0c\u6bd4\u5982\u6587\u672c\u5206\u7c7b\u3001\u56fe\u50cf\u5206\u7c7b\u3001\u805a\u7c7b\u5206\u6790\u7b49\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u6765\u8bc4\u4f30\u7279\u5f81\u7684\u91cd\u8981\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3002<\/p>\n

\u603b\u7ed3<\/h2>\n

  \u672c\u6587\u4ecb\u7ecd\u4e86\u4fe1\u606f\u589e\u76ca\u8ba1\u7b97\u65b9\u6cd5\uff0c\u5b83\u662f\u4e00\u79cd\u57fa\u4e8e\u4fe1\u606f\u8bba\u7684\u673a\u5668\u5b66\u4e60\u7b97\u6cd5\uff0c\u53ef\u4ee5\u7528\u6765\u8ba1\u7b97\u7279\u5f81\u4e0e\u6807\u7b7e\u4e4b\u95f4\u7684\u5173\u8054\u5ea6\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3001\u5206\u7c7b\u548c\u56de\u5f52\u5206\u6790\u3002<\/strong>\u5b83\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3001\u5206\u7c7b\u548c\u56de\u5f52\u5206\u6790\uff0c\u6bd4\u5982\u6587\u672c\u5206\u7c7b\u3001\u56fe\u50cf\u5206\u7c7b\u3001\u805a\u7c7b\u5206\u6790\u7b49\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u6765\u8bc4\u4f30\u7279\u5f81\u7684\u91cd\u8981\u6027\uff0c\u4ece\u800c\u5b9e\u73b0\u7279\u5f81\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

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