{"id":115143,"date":"2024-04-19T12:32:41","date_gmt":"2024-04-19T04:32:41","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/115143.html"},"modified":"2024-04-19T12:32:43","modified_gmt":"2024-04-19T04:32:43","slug":"%e4%bf%a1%e6%81%af%e6%a3%80%e7%b4%a2%e4%b8%ad%e7%9a%84%e7%b2%be%e7%a1%ae%e7%8e%87%e5%92%8c%e5%8f%ac%e5%9b%9e%e7%8e%87","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/115143.html","title":{"rendered":"\u4fe1\u606f\u68c0\u7d22\u4e2d\u7684\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/02173633\/9496467a-a96c-402f-b481-53745375b251.webp\" alt=\"\u4fe1\u606f\u68c0\u7d22\u4e2d\u7684\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\" \/><\/p>\n<p><p>\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u662f\u4fe1\u606f\u68c0\u7d22\u9886\u57df\u91cf\u5ea6\u641c\u7d22\u5f15\u64ce\u6027\u80fd\u7684\u4e24\u4e2a\u91cd\u8981\u6307\u6807\u3002<strong>\u7cbe\u786e\u7387\uff08Precision\uff09<\/strong> \u8868\u793a\u4ece\u641c\u7d22\u5f15\u64ce\u67e5\u8be2\u7ed3\u679c\u4e2d\u83b7\u5f97\u7684\u76f8\u5173\u6587\u6863\u6570\u5360\u68c0\u7d22\u51fa\u7684\u6240\u6709\u6587\u6863\u6570\u7684\u6bd4\u4f8b\uff0c\u662f\u8861\u91cf\u7ed3\u679c\u8d28\u91cf\u7684\u5c3a\u5ea6\u3002\u800c<strong>\u53ec\u56de\u7387\uff08Recall\uff09<\/strong> \u5219\u6307\u7684\u662f\u641c\u7d22\u5f15\u64ce\u68c0\u7d22\u5230\u7684\u76f8\u5173\u6587\u6863\u6570\u5360\u5b9e\u9645\u4e0a\u6240\u6709\u76f8\u5173\u6587\u6863\u603b\u6570\u7684\u6bd4\u4f8b\uff0c\u662f\u8bc4\u4ef7\u68c0\u7d22\u7cfb\u7edf\u5168\u9762\u6027\u7684\u6307\u6807\u3002\u8fd9\u4e24\u4e2a\u6307\u6807\u901a\u5e38\u662f\u76f8\u4e92\u6743\u8861\u7684\uff1a\u63d0\u9ad8\u7cbe\u786e\u7387\u53ef\u80fd\u4f1a\u964d\u4f4e\u53ec\u56de\u7387\uff0c\u800c\u63d0\u9ad8\u53ec\u56de\u7387\u901a\u5e38\u4f1a\u5bfc\u81f4\u7cbe\u786e\u7387\u4e0b\u964d\u3002<\/p>\n<\/p>\n<p><p>\u5728\u6df1\u5165\u63a2\u8ba8\u4e2d\uff0c<strong>\u7cbe\u786e\u7387<\/strong> \u53cd\u6620\u4e86\u4fe1\u606f\u68c0\u7d22\u7cfb\u7edf\u8fd4\u56de\u7ed3\u679c\u7684\u7cbe\u786e\u6027\u7a0b\u5ea6\u3002\u4f8b\u5982\uff0c\u5728\u7ebf\u56fe\u4e66\u9986\u7684\u68c0\u7d22\u7cfb\u7edf\u53ef\u80fd\u4f1a\u6839\u636e\u7528\u6237\u7684\u67e5\u8be2\u8fd4\u56de\u4e00\u7cfb\u5217\u76f8\u5173\u4e66\u7c4d\u3002\u5982\u679c\u7528\u6237\u641c\u7d22\u201c<a href=\"https:\/\/docs.pingcode.com\/ask\/59192.html\" target=\"_blank\">\u673a\u5668\u5b66\u4e60<\/a>\u201d\uff0c\u7cfb\u7edf\u8fd4\u56de10\u4e2a\u7ed3\u679c\uff0c\u5176\u4e2d\u53ea\u67097\u4e2a\u662f\u771f\u6b63\u4e0e\u673a\u5668\u5b66\u4e60\u76f8\u5173\u7684\u4e66\u7c4d\uff0c\u90a3\u4e48\u7cbe\u786e\u7387\u5c31\u662f70%\u3002\u901a\u5e38\uff0c\u63d0\u9ad8\u7cbe\u786e\u7387\u610f\u5473\u7740\u8981\u51cf\u5c11\u5bf9\u4e8e\u7528\u6237\u65e0\u5173\u7684\u4fe1\u606f\u68c0\u7d22\u91cf\u3002<\/p>\n<\/p>\n<p><p>\u4e00\u3001\u7cbe\u786e\u7387\u4e0e\u53ec\u56de\u7387\u7684\u5b9a\u4e49<\/p>\n<\/p>\n<p><p>\u5728\u4fe1\u606f\u68c0\u7d22\u4e2d\uff0c\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u7684\u5b9a\u4e49\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><p><strong>\u7cbe\u786e\u7387(Precision)<\/strong> \u662f\u6307\u68c0\u7d22\u51fa\u7684\u76f8\u5173\u6587\u6863\u6570\u4e0e\u68c0\u7d22\u51fa\u7684\u6587\u6863\u603b\u6570\u7684\u6bd4\u503c\u3002<\/p>\n<\/p>\n<p><p><strong>\u53ec\u56de\u7387(Recall)<\/strong> \u662f\u6307\u68c0\u7d22\u51fa\u7684\u76f8\u5173\u6587\u6863\u6570\u4e0e\u6570\u636e\u5e93\u4e2d\u7684\u76f8\u5173\u6587\u6863\u603b\u6570\u7684\u6bd4\u503c\u3002<\/p>\n<\/p>\n<p><p>\u4e8c\u3001\u7cbe\u786e\u7387\u7684\u6df1\u5165\u7406\u89e3<\/p>\n<\/p>\n<p><p>\u8981\u7406\u89e3\u7cbe\u786e\u7387\u7684\u91cd\u8981\u6027\uff0c\u6211\u4eec\u9700\u8003\u8651\u68c0\u7d22\u7cfb\u7edf\u7684\u5e94\u7528\u73af\u5883\u3002\u4e00\u4e2a\u5177\u9ad8\u7cbe\u786e\u7387\u7684\u7cfb\u7edf\u80fd\u591f\u51cf\u5c11\u7528\u6237\u7b5b\u9009\u65e0\u5173\u4fe1\u606f\u7684\u65f6\u95f4\u3002\u5728\u4f8b\u5982\u533b\u5b66\u6216\u6cd5\u5f8b\u7b49\u9886\u57df\uff0c\u4e00\u4e2a\u67e5\u8be2\u7684\u9ad8\u7cbe\u786e\u7387\u81f3\u5173\u91cd\u8981\uff0c\u56e0\u4e3a\u9519\u8bef\u7684\u4fe1\u606f\u53ef\u80fd\u5bfc\u81f4\u4e25\u91cd\u7684\u540e\u679c\u3002<\/p>\n<\/p>\n<p><p>\u4e09\u3001\u53ec\u56de\u7387\u7684\u6df1\u5165\u7406\u89e3<\/p>\n<\/p>\n<p><p>\u53ec\u56de\u7387\u7684\u63d0\u9ad8\u5bf9\u4e8e\u786e\u4fdd\u4e0d\u9057\u6f0f\u4efb\u4f55\u53ef\u80fd\u76f8\u5173\u7684\u6587\u6863\u81f3\u5173\u91cd\u8981\u3002\u5728\u67d0\u4e9b\u7814\u7a76\u9886\u57df\uff0c\u5982\u5b66\u672f\u7814\u7a76\uff0c\u9057\u6f0f\u4efb\u4f55\u4e00\u4e2a\u76f8\u5173\u6587\u6863\u90fd\u53ef\u80fd\u5bfc\u81f4\u7814\u7a76\u4e0d\u5b8c\u6574\u3002\u56e0\u6b64\uff0c\u7814\u7a76\u4eba\u5458\u66f4\u503e\u5411\u4e8e\u4f7f\u7528\u9ad8\u53ec\u56de\u7387\u7684\u68c0\u7d22\u7cfb\u7edf\u3002<\/p>\n<\/p>\n<p><p>\u56db\u3001\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u7684\u6743\u8861<\/p>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u7684\u68c0\u7d22\u7cfb\u7edf\u8bbe\u8ba1\u4e2d\uff0c\u589e\u52a0\u53ec\u56de\u7387\u5f80\u5f80\u4f1a\u964d\u4f4e\u7cbe\u786e\u7387\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002\u8fd9\u662f\u56e0\u4e3a\u7cfb\u7edf\u8bbe\u8ba1\u8005\u5728\u589e\u52a0\u8fd4\u56de\u6587\u6863\u7684\u6570\u91cf\u6765\u786e\u4fdd\u76f8\u5173\u6587\u6863\u4e0d\u88ab\u9519\u8fc7\u7684\u540c\u65f6\uff0c\u4e5f\u589e\u52a0\u4e86\u8fd4\u56de\u975e\u76f8\u5173\u6587\u6863\u7684\u98ce\u9669\u3002<\/p>\n<\/p>\n<p><p>\u4e94\u3001\u8bc4\u4ef7\u6307\u6807\uff1aF\u503c<\/p>\n<\/p>\n<p><p>\u4e3a\u4e86\u5e73\u8861\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\uff0c\u5e38\u5e38\u5f15\u5165<strong>F\u503c\uff08F-Measure\uff09<\/strong>\uff0c\u5b83\u662f\u7cbe\u786e\u7387\u4e0e\u53ec\u56de\u7387\u7684\u8c03\u548c\u5e73\u5747\u503c\u3002\u8fd9\u4e2a\u6307\u6807\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7efc\u5408\u8003\u8651\u68c0\u7d22\u7cfb\u7edf\u7684\u6027\u80fd\u3002<\/p>\n<\/p>\n<p><p>\u516d\u3001\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u7684\u8ba1\u7b97\u65b9\u6cd5<\/p>\n<\/p>\n<p><p>\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u7684\u8ba1\u7b97\u662f\u901a\u8fc7\u6784\u5efa\u201c\u6df7\u6dc6\u77e9\u9635\u201d\u6765\u5b8c\u6210\u7684\uff0c\u5305\u62ec\u771f\u6b63\u4f8b\uff08TP\uff09\u3001\u5047\u6b63\u4f8b\uff08FP\uff09\u3001\u771f\u53cd\u4f8b\uff08TN\uff09\u548c\u5047\u53cd\u4f8b\uff08FN\uff09\u56db\u4e2a\u57fa\u672c\u6982\u5ff5\u3002<\/p>\n<\/p>\n<p><p>\u4e03\u3001\u4f18\u5316\u7b56\u7565<\/p>\n<\/p>\n<p><p>\u8981\u63d0\u5347\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\uff0c\u5e38\u7528\u7684\u7b56\u7565\u5305\u62ec\u4f18\u5316\u641c\u7d22\u7b97\u6cd5\u3001\u6539\u5584\u6570\u636e\u7684\u9884\u5904\u7406\u4e0e\u7d22\u5f15\u8d28\u91cf\u3001\u91c7\u7528\u66f4\u7cbe\u7ec6\u7684\u8bc4\u5206\u673a\u5236\u8bc4\u4f30\u6587\u6863\u7684\u76f8\u5173\u6027\u7b49\u3002<\/p>\n<\/p>\n<p><p>\u516b\u3001\u5e94\u7528\u6848\u4f8b\u5206\u6790<\/p>\n<\/p>\n<p><p>\u901a\u8fc7\u5bf9\u4e0d\u540c\u9886\u57df\u7684\u5e94\u7528\u6848\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u5206\u6790\u5177\u4f53\u73af\u5883\u4e0b\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u7684\u5f71\u54cd\u56e0\u7d20\u53ca\u4f18\u5316\u65b9\u6cd5\uff0c\u4f8b\u5982\u7535\u5b50\u5546\u52a1\u7f51\u7ad9\u7684\u5546\u54c1\u63a8\u8350\u3001\u793e\u4ea4\u5a92\u4f53\u4e0a\u7684\u4fe1\u606f\u8fc7\u6ee4\u7b49\u3002<\/p>\n<\/p>\n<p><p>\u4e5d\u3001\u603b\u7ed3\u4e0e\u5c55\u671b<\/p>\n<\/p>\n<p><p>\u7d27\u5bc6\u76d1\u63a7\u548c\u8c03\u6574\u7cbe\u786e\u7387\u4e0e\u53ec\u56de\u7387\uff0c\u80fd\u591f\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u9ad8\u8d28\u91cf\u7684\u68c0\u7d22\u670d\u52a1\u3002\u968f\u7740\u6280\u672f\u7684\u6f14\u8fdb\uff0c\u672a\u6765\u7684\u4fe1\u606f\u68c0\u7d22\u7cfb\u7edf\u5c06\u901a\u8fc7\u91c7\u7528<a href=\"https:\/\/docs.pingcode.com\/tag\/AI\" target=\"_blank\">\u4eba\u5de5\u667a\u80fd<\/a>\u548c\u6df1\u5ea6\u5b66\u4e60\u6280\u672f\uff0c\u4ee5\u66f4\u4e3a\u51c6\u786e\u7684\u65b9\u5f0f\u7406\u89e3\u548c\u5904\u7406\u7528\u6237\u7684\u67e5\u8be2\u9700\u6c42\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. \u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u5728\u4fe1\u606f\u68c0\u7d22\u4e2d\u6709\u4f55\u4f5c\u7528\uff1f<\/strong><br \/>\n\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u662f\u8bc4\u4f30\u4fe1\u606f\u68c0\u7d22\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u6307\u6807\u3002\u7cbe\u786e\u7387\u8861\u91cf\u4e86\u68c0\u7d22\u7cfb\u7edf\u8fd4\u56de\u7684\u7ed3\u679c\u4e2d\u6709\u591a\u5c11\u662f\u76f8\u5173\u7684\uff0c\u662f\u8861\u91cf\u7ed3\u679c\u51c6\u786e\u6027\u7684\u6307\u6807\uff1b\u53ec\u56de\u7387\u8861\u91cf\u4e86\u68c0\u7d22\u7cfb\u7edf\u80fd\u591f\u627e\u5230\u591a\u5c11\u76f8\u5173\u7684\u7ed3\u679c\uff0c\u662f\u8861\u91cf\u7ed3\u679c\u5b8c\u6574\u6027\u7684\u6307\u6807\u3002\u5b83\u4eec\u662f\u76f8\u4e92\u5173\u8054\u7684\uff0c\u4e00\u822c\u6765\u8bf4\uff0c\u7cbe\u786e\u7387\u548c\u53ec\u56de\u7387\u662f\u4e00\u4e2a\u6298\u4e2d\u7684\u5173\u7cfb\uff0c\u901a\u8fc7\u8c03\u6574\u68c0\u7d22\u7b97\u6cd5\u548c\u53c2\u6570\uff0c\u53ef\u4ee5\u5c3d\u91cf\u8fbe\u5230\u8f83\u9ad8\u7684\u7cbe\u786e\u7387\u548c\u8f83\u9ad8\u7684\u53ec\u56de\u7387\u3002<\/p>\n<p><strong>2. 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