{"id":1126,"date":"2018-04-23T18:30:08","date_gmt":"2018-04-23T10:30:08","guid":{"rendered":"https:\/\/damogame.cn:15443\/wordpress\/?p=1126"},"modified":"2018-12-27T17:05:24","modified_gmt":"2018-12-27T09:05:24","slug":"%e8%b4%9d%e5%8f%b6%e6%96%af%e5%ae%9a%e7%90%86","status":"publish","type":"post","link":"https:\/\/i007.cc\/wordpress\/archives\/1126","title":{"rendered":"\u8d1d\u53f6\u65af\u5b9a\u7406"},"content":{"rendered":"
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\u8d1d\u53f6\u65af\u5b9a\u7406<\/h1>\n

\u7f16\u8f91<\/a><\/dd>\n<\/dl>\n

\n
\u8d1d\u53f6\u65af\u5b9a\u7406\u662f\u5173\u4e8e\u968f\u673a<\/a>\u4e8b\u4ef6A\u548cB\u7684\u6761\u4ef6\u6982\u7387<\/a>\uff08\u6216\u8fb9\u7f18\u6982\u7387<\/a>\uff09\u7684\u4e00\u5219\u5b9a\u7406\u3002\u5176\u4e2dP(A|B)\u662f\u5728B\u53d1\u751f\u7684\u60c5\u51b5\u4e0bA\u53d1\u751f\u7684\u53ef\u80fd\u6027\u3002<\/div>\n
\u8d1d\u53f6\u65af\u5b9a\u7406\u4e5f\u79f0\u8d1d\u53f6\u65af\u63a8\u7406\uff0c\u65e9\u572818\u4e16\u7eaa\uff0c\u82f1\u56fd\u5b66\u8005\u8d1d\u53f6\u65af<\/a>(1702\uff5e1763)\u66fe\u63d0\u51fa\u8ba1\u7b97\u6761\u4ef6\u6982\u7387\u7684\u516c\u5f0f\u7528\u6765\u89e3\u51b3\u5982\u4e0b\u4e00\u7c7b\u95ee\u9898\uff1a\u5047\u8bbeH[1],H[2]\u2026,H[n]\u4e92\u65a5\u4e14\u6784\u6210\u4e00\u4e2a\u5b8c\u5168\u4e8b\u4ef6\uff0c\u5df2\u77e5\u5b83\u4eec\u7684\u6982\u7387P(H[i]),i=1,2,\u2026,n,\u73b0\u89c2\u5bdf\u5230\u67d0\u4e8b\u4ef6A\u4e0eH[1],H[2]\u2026,H[n]\u76f8\u4f34\u968f\u673a\u51fa\u73b0\uff0c\u4e14\u5df2\u77e5\u6761\u4ef6\u6982\u7387P(A\/H[i])\uff0c\u6c42P(H[i]\/A)\u3002<\/div>\n<\/div>\n
<\/div>\n
\n
\n
\u4e2d\u6587\u540d<\/dt>\n
\u8d1d\u53f6\u65af\u5b9a\u7406<\/dd>\n
\u5916\u6587\u540d<\/dt>\n
Bayes’ theorem<\/dd>\n
\u522b\u00a0\u00a0\u00a0\u00a0\u79f0<\/dt>\n
\u6258\u9a6c\u65af\u00b7\u8d1d\u53f6\u65af\u5b9a\u7406<\/dd>\n
\u8868\u8fbe\u5f0f<\/dt>\n
P(A|B)=P(A)P(B|A)\/P(B)<\/dd>\n<\/dl>\n
\n
\u63d0\u51fa\u8005<\/dt>\n
\u82f1\u56fd\u5b66\u8005\u8d1d\u53f6\u65af<\/dd>\n
\u63d0\u51fa\u65f6\u95f4<\/dt>\n
18\u4e16\u7eaa<\/dd>\n
\u5e94\u7528\u5b66\u79d1<\/dt>\n
\u6570\u5b66<\/dd>\n
\u9002\u7528\u9886\u57df\u8303\u56f4<\/dt>\n
\u6982\u7387\u8bba<\/dd>\n<\/dl>\n<\/div>\n
\n
\n

\u76ee\u5f55<\/h2>\n
\n
    \n
  1. 1<\/span>\u00a0\u7814\u7a76\u610f\u4e49<\/a><\/span><\/li>\n
  2. 2<\/span>\u00a0\u5b9a\u7406\u5b9a\u4e49<\/a><\/span><\/li>\n
  3. 3<\/span>\u00a0\u5e94\u7528\u4f8b\u5b50<\/a><\/span><\/li>\n<\/ol>\n
      \n
    1. \u25aa<\/span>\u00a0\u5438\u6bd2\u8005\u68c0\u6d4b<\/a><\/span><\/li>\n
    2. \u25aa<\/span>\u00a0\u6295\u8d44\u51b3\u7b56<\/a><\/span><\/li>\n
    3. \u25aa<\/span>\u00a0\u5176\u4ed6\u5e94\u7528<\/a><\/span><\/li>\n<\/ol>\n
        \n
      1. 4<\/span>\u00a0\u8d1d\u53f6\u65af<\/a><\/span><\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n
        <\/a><\/a><\/a><\/div>\n
        \n

        \u7814\u7a76\u610f\u4e49<\/h2>\n

        \u7f16\u8f91<\/a><\/div>\n

        \u4eba\u4eec\u6839\u636e\u4e0d\u786e\u5b9a\u6027\u4fe1\u606f\u4f5c\u51fa\u63a8\u7406\u548c\u51b3\u7b56\u9700\u8981\u5bf9\u5404\u79cd\u7ed3\u8bba\u7684\u6982\u7387<\/a>\u4f5c\u51fa\u4f30\u8ba1\uff0c\u8fd9\u7c7b\u63a8\u7406\u79f0\u4e3a\u6982\u7387\u63a8\u7406<\/a>\u3002\u6982\u7387\u63a8\u7406<\/p>\n
        \"\"<\/a><\/div>\n

        \u65e2\u662f\u6982\u7387\u5b66<\/a>\u548c\u903b\u8f91\u5b66\u7684\u7814\u7a76\u5bf9\u8c61\uff0c\u4e5f\u662f\u5fc3\u7406\u5b66\u7684\u7814\u7a76\u5bf9\u8c61\uff0c\u4f46\u7814\u7a76\u7684\u89d2\u5ea6\u662f\u4e0d\u540c\u7684\u3002\u6982\u7387\u5b66\u548c\u903b\u8f91\u5b66\u7814\u7a76\u7684\u662f\u5ba2\u89c2\u6982\u7387\u63a8\u7b97\u7684\u516c\u5f0f\u6216\u89c4\u5219\uff1b\u800c\u5fc3\u7406\u5b66\u7814\u7a76\u4eba\u4eec\u4e3b\u89c2\u6982\u7387<\/a>\u4f30\u8ba1\u7684\u8ba4\u77e5\u52a0\u5de5\u8fc7\u7a0b\u89c4\u5f8b\u3002\u8d1d\u53f6\u65af\u63a8\u7406<\/a>\u7684\u95ee\u9898\u662f\u6761\u4ef6\u6982\u7387<\/a>\u63a8\u7406\u95ee\u9898\uff0c\u8fd9\u4e00\u9886\u57df\u7684\u63a2\u8ba8\u5bf9\u63ed\u793a\u4eba\u4eec\u5bf9\u6982\u7387\u4fe1\u606f\u7684\u8ba4\u77e5\u52a0\u5de5\u8fc7\u7a0b\u4e0e\u89c4\u5f8b\u3001\u6307\u5bfc\u4eba\u4eec\u8fdb\u884c\u6709\u6548\u7684\u5b66\u4e60\u548c\u5224\u65ad\u51b3\u7b56\u90fd\u5177\u6709\u5341\u5206\u91cd\u8981\u7684\u7406\u8bba\u610f\u4e49\u548c\u5b9e\u8df5\u610f\u4e49\u3002\u00a0[1]<\/sup><\/a><\/div>\n

        <\/a><\/a><\/a><\/div>\n
        \n

        \u5b9a\u7406\u5b9a\u4e49<\/h2>\n

        \u7f16\u8f91<\/a><\/div>\n

        \u8d1d\u53f6\u65af\u516c\u5f0f<\/b>\uff08\u53d1\u8868\u4e8e1763\u5e74\uff09\u4e3a\uff1a P(B[i]|A)=P(B[i])*P(A\u2502B[i])\/{P(B[1])*P(A\u2502B[1]) +P(B[2])*P(A\u2502B[2])+\u2026+P(B[n])*P(A\u2502B[n])}<\/div>\n
        \u8fd9\u5c31\u662f\u8457\u540d\u7684\u201c\u8d1d\u53f6\u65af\u5b9a\u7406\u201d\uff0c\u4e00\u4e9b\u6587\u732e\u4e2d\u628aP(B[1])\u3001P(B[2])\u79f0\u4e3a\u57fa\u7840\u6982\u7387\uff0cP(A\u2502B[1])\u4e3a\u51fb\u4e2d\u7387\uff0cP(A\u2502B[2])\u4e3a\u8bef\u62a5\u7387[1]\u00a0[2]<\/sup><\/a>\u00a0\u3002<\/div>\n
        <\/a><\/a><\/a><\/div>\n
        \n

        \u5e94\u7528\u4f8b\u5b50<\/h2>\n

        \u7f16\u8f91<\/a><\/div>\n

        <\/a><\/a><\/a><\/a><\/div>\n
        \n

        \u5438\u6bd2\u8005\u68c0\u6d4b<\/h3>\n<\/div>\n
        \u8d1d\u53f6\u65af\u5b9a\u7406\u5728\u68c0\u6d4b\u5438\u6bd2\u8005\u65f6\u5f88\u6709\u7528\u3002\u5047\u8bbe\u4e00\u4e2a\u5e38\u89c4\u7684\u68c0\u6d4b\u7ed3\u679c\u7684\u654f\u611f\u5ea6\u4e0e\u53ef\u9760\u5ea6\u5747\u4e3a99%\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u88ab\u68c0\u8005\u5438\u6bd2\u65f6\uff0c\u6bcf\u6b21\u68c0\u6d4b\u5448\u9633\u6027\uff08+\uff09\u7684\u6982\u7387\u4e3a99%\u3002\u800c\u88ab\u68c0\u8005\u4e0d\u5438\u6bd2\u65f6\uff0c\u6bcf\u6b21\u68c0\u6d4b\u5448\u9634\u6027\uff08-\uff09\u7684\u6982\u7387\u4e3a99%\u3002\u4ece\u68c0\u6d4b\u7ed3\u679c\u7684\u6982\u7387\u6765\u770b\uff0c\u68c0\u6d4b\u7ed3\u679c\u662f\u6bd4\u8f83\u51c6\u786e\u7684\uff0c\u4f46\u662f\u8d1d\u53f6\u65af\u5b9a\u7406\u5374\u53ef\u4ee5\u63ed\u793a\u4e00\u4e2a\u6f5c\u5728\u7684\u95ee\u9898\u3002\u5047\u8bbe\u67d0\u516c\u53f8\u5c06\u5bf9\u5176\u5168\u4f53\u96c7\u5458\u8fdb\u884c\u4e00\u6b21\u9e26\u7247\u5438\u98df\u60c5\u51b5\u7684\u68c0\u6d4b\uff0c\u5df2\u77e50.5%\u7684\u96c7\u5458\u5438\u6bd2\u3002\u6211\u4eec\u60f3\u77e5\u9053\uff0c\u6bcf\u4f4d\u533b\u5b66\u68c0\u6d4b\u5448\u9633\u6027\u7684\u96c7\u5458\u5438\u6bd2\u7684\u6982\u7387\u6709\u591a\u9ad8\uff1f\u4ee4\u201cD\u201d\u4e3a\u96c7\u5458\u5438\u6bd2\u4e8b\u4ef6\uff0c\u201cN\u201d\u4e3a\u96c7\u5458\u4e0d\u5438\u6bd2\u4e8b\u4ef6\uff0c\u201c+\u201d\u4e3a\u68c0\u6d4b\u5448\u9633\u6027\u4e8b\u4ef6\u3002\u53ef\u5f97<\/div>\n