{"id":4338,"date":"2024-01-19T11:45:22","date_gmt":"2024-01-19T02:45:22","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=4338"},"modified":"2024-01-19T12:00:43","modified_gmt":"2024-01-19T03:00:43","slug":"evaluation_classification","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/evaluation_classification\/","title":{"rendered":"\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046\u3010\u5206\u985e\u7de8\u3011"},"content":{"rendered":"\n<p>\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046\u3010\u5206\u985e\u7de8\u3011\r\n<\/p>\n\n\n<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u524d\u7de8\u3067\u306f\u3001\u56de\u5e30\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u8a55\u4fa1\u6307\u6a19\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u7d9a\u304f\u672c\u7de8\u3067\u306f\u3001\u5206\u985e\u30e2\u30c7\u30eb\uff08\u771f\u304b\u507d\u304b\u3092\u4e88\u6e2c\u3059\u308b\u30e2\u30c7\u30eb\uff09\u306b\u304a\u3051\u308b\u8a55\u4fa1\u6307\u6a19\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: c72561e6-20ca-45c3-adc0-00790c8e73d8 --><\/p>\n\n<h2>\u6df7\u540c\u884c\u5217<\/h2>\n<p>\u5206\u985e\u30bf\u30b9\u30af\u306e\u4e88\u6e2c\u7d50\u679c\u306f\u3001\u771f\u967d\u6027\uff08True Positive\uff09\u3001\u771f\u9670\u6027\uff08True Negative\uff09\u3001\u507d\u967d\u6027\uff08False Positive\uff09\u3001\u507d\u9670\u6027\uff08False Negative\uff09\u306e4\u7a2e\u985e\u306b\u5206\u985e\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55.png\" alt=\"\" width=\"2110\" height=\"646\" class=\"aligncenter wp-image-4346 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55.png 2110w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55-300x92.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55-1024x314.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55-768x235.png 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55-1536x470.png 1536w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.48.55-2048x627.png 2048w\" sizes=\"(max-width: 2110px) 100vw, 2110px\" \/><\/p>\r\n<p>\u305d\u308c\u305e\u308c\u306e\u8a00\u8449\u3092\u75c5\u6c17\u306e\u691c\u67fb\u3092\u4f8b\u306b\u898b\u3066\u307f\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u75c5\u6c17\u304c\u3042\u308b\u72b6\u614b\u3092\u967d\u6027\u3068\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\r\n<ul>\r\n\t<li>\u771f\u967d\u6027 (TP):\u75c5\u6c17\u306e\u60a3\u8005\u3092\u75c5\u6c17\u3068\u6b63\u3057\u304f\u4e88\u6e2c<\/li>\r\n\t<li>\u771f\u9670\u6027 (TN):\u5065\u5eb7\u306a\u4eba\u3092\u5065\u5eb7\u3068\u6b63\u3057\u304f\u4e88\u6e2c<\/li>\r\n\t<li>\u507d\u967d\u6027 (FP):\u5065\u5eb7\u306a\u4eba\u3092\u8aa4\u3063\u3066\u75c5\u6c17\u3068\u4e88\u6e2c<\/li>\r\n\t<li>\u507d\u9670\u6027 (FN):\u75c5\u6c17\u306e\u60a3\u8005\u3092\u8aa4\u3063\u3066\u5065\u5eb7\u3068\u4e88\u6e2c<\/li>\r\n<\/ul>\r\n<p>\u6b21\u306b\u3001\u6df7\u540c\u884c\u5217\u3092\u7528\u3044\u305f4\u3064\u306e\u8a55\u4fa1\u6307\u6a19\u306b\u3064\u3044\u3066\u3001\u8aac\u660e\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306e3\u3064\u306f\u4f3c\u3066\u975e\u306a\u308b\u3082\u306e\u3067\u3059\u306e\u3067\u3001\u8a00\u8449\u306e\u5b9a\u7fa9\u3092\u3057\u3063\u304b\u308a\u3068\u7406\u89e3\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\r\n<p><span style=\"font-size: 14pt\"><strong><span data-token-index=\"0\" class=\"notion-enable-hover\">1.\u6b63\u89e3\u7387\uff08Accuracy\uff09<\/span><\/strong><\/span><!-- notionvc: f790ed43-2ee7-44ef-b20a-22fc47e718cc --><\/p>\r\n<p>\u6b63\u89e3\u7387\uff08Accuracy\uff09\u3068\u306f\u5168\u3066\u306e\u4e88\u6e2c\u306e\u3046\u3061\u3001\u6b63\u3057\u304f\u5206\u985e\u3055\u308c\u305f\u5272\u5408\u306e\u3053\u3068\u3067\u3059\u3002<!-- notionvc: 27f025fe-4ed9-40be-9bcb-ff1590b4f011 --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41.png\" alt=\"\" width=\"1660\" height=\"378\" class=\"aligncenter wp-image-4343 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41.png 1660w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41-300x68.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41-1024x233.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41-768x175.png 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.34.41-1536x350.png 1536w\" sizes=\"(max-width: 1660px) 100vw, 1660px\" \/><\/p>\r\n<p>\u6b63\u89e3\u7387\u306f\u30012\u3064\u306e\u30af\u30e9\u30b9\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u5747\u7b49\u306a\u5834\u5408\u306b\u306f\u6709\u52b9\u3067\u3059\u304c\u3001\u30af\u30e9\u30b9\u306e\u4e0d\u5747\u8861\u304c\u3042\u308b\u5834\u5408\u306b\u306f\u9069\u5207\u306a\u6307\u6a19\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u4f8b\u3048\u3070\u3001\u6709\u75c5\u73871\uff05\u306e\u75c5\u6c17\u306e\u691c\u67fb\u3092\u3059\u308b\u3068\u3057\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u3001\u691c\u67fb\u3092\u3057\u305f\u5168\u3066\u306e\u4eba\u3092\u300c\u9670\u6027\u300d\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3048\u3070\u3001\u6b63\u89e3\u7387\u306f99%\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u3053\u308c\u3067\u306f\u691c\u67fb\u306e\u610f\u5473\u304c\u3042\u308a\u307e\u305b\u3093\u3002<!-- notionvc: 23e96eb7-1c63-4581-8fb3-4edb0b49bee9 --><\/p>\r\n<p>&nbsp;<\/p>\r\n<p><span style=\"font-size: 14pt\"><strong>2.<span data-token-index=\"0\" class=\"notion-enable-hover\">\u9069\u5408\u7387\uff08Precision\uff09<\/span><\/strong><\/span><!-- notionvc: d6a26681-ec94-4698-bbcc-6b8d181008a2 --><\/p>\r\n<p>\u9069\u5408\u7387\u306f\u3001\u30e2\u30c7\u30eb\u304c\u967d\u6027\u3068\u4e88\u6e2c\u3057\u305f\u30b5\u30f3\u30d7\u30eb\u306e\u3046\u3061\u3001\u5b9f\u969b\u306b\u967d\u6027\u3067\u3042\u308b\u5272\u5408\u3092\u793a\u3057\u307e\u3059\u3002<!-- notionvc: 1eefb938-1d1e-4b69-9247-9eb9e8a174c5 --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.36.png\" alt=\"\" width=\"870\" height=\"344\" class=\"aligncenter wp-image-4339 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.36.png 870w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.36-300x119.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.36-768x304.png 768w\" sizes=\"(max-width: 870px) 100vw, 870px\" \/><\/p>\r\n<p>\u9069\u5408\u7387\u306f\u507d\u967d\u6027\uff08False Positive\uff09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u305f\u3044\u5834\u5408\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u75c5\u6c17\u306e\u691c\u67fb\u306e\u4f8b\u3067\u306f\u3001\u300c\u5065\u5eb7\u306a\u4eba\u3092\u75c5\u6c17\u3068\u9593\u9055\u3063\u3066\u8a3a\u65ad\u3059\u308b\u3053\u3068\u3092\u907f\u3051\u305f\u3044\u5834\u5408\u300d\u306b\u4f7f\u308f\u308c\u307e\u3059\u3002<!-- notionvc: 1752c6bd-cb67-4278-8dcf-81ea1f1a1522 --><\/p>\r\n<p>&nbsp;<\/p>\r\n<p><strong><span style=\"font-size: 14pt\">3.<span data-token-index=\"0\" class=\"notion-enable-hover\">\u518d\u73fe\u7387\uff08Recall\uff09<\/span><\/span><\/strong><!-- notionvc: 31019692-660d-430c-a2f2-f4f7ccfd1cb2 --><\/p>\r\n<p>\u518d\u73fe\u7387\u306f\u3001\u5b9f\u969b\u306b\u967d\u6027\u3067\u3042\u308b\u30b5\u30f3\u30d7\u30eb\u306e\u3046\u3061\u3001\u30e2\u30c7\u30eb\u304c\u6b63\u3057\u304f\u967d\u6027\u3068\u4e88\u6e2c\u3067\u304d\u305f\u5272\u5408\u3092\u793a\u3057\u307e\u3059\u3002\u518d\u73fe\u7387\u306f\u507d\u9670\u6027\uff08False Negative\uff09\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u305f\u3044\u5834\u5408\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u300c\u75c5\u6c17\u306e\u60a3\u8005\u3092\u898b\u9003\u3057\u305f\u304f\u306a\u3044\u300d\u3068\u3044\u3046\u5834\u5408\u3067\u3059\u3002\u75c5\u6c17\u306e\u4eba\u3092\u5065\u5eb7\u3068\u5224\u65ad\u3057\u3066\u3057\u307e\u3046\u30ea\u30b9\u30af\u304c\u3001\u5065\u5eb7\u306a\u4eba\u3092\u75c5\u6c17\u3068\u3057\u305f\u5834\u5408\u306e\u8ffd\u52a0\u306e\u691c\u67fb\u306e\u30b3\u30b9\u30c8\u3092\u4e0a\u56de\u308b\u3068\u304d\u306a\u3069\u306b\u7528\u3044\u3089\u308c\u307e\u3059\u3002<!-- notionvc: 41342d49-3ed9-474b-a060-0beac7d0e4dc --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.41.png\" alt=\"\" width=\"772\" height=\"268\" class=\"aligncenter wp-image-4342 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.41.png 772w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.41-300x104.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.41-768x267.png 768w\" sizes=\"(max-width: 772px) 100vw, 772px\" \/><\/p>\r\n<p>\u300c\u6b63\u89e3\u7387\u300d\u300c\u9069\u5408\u7387\u300d\u300c\u518d\u73fe\u7387\u300d\u3068\u76f4\u611f\u7684\u306b\u306f\u5206\u304b\u308a\u306b\u304f\u304f\u3001\u6df7\u4e71\u3057\u3084\u3059\u3044\u540d\u79f0\u3067\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u306e\u8a08\u7b97\u65b9\u6cd5\u3092\u982d\u306b\u5165\u308c\u308b\u3053\u3068\u3067\u3001\u9055\u3044\u3092\u6291\u3048\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\r\n<p>\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u3053\u308c\u3089\u306e3\u3064\u306e\u6307\u6a19\u306f\u3001\u30af\u30e9\u30b9\u306b\u504f\u308a\u304c\u3042\u308b\u5834\u5408\u306f\u6709\u52b9\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u6b21\u306b\u7d39\u4ecb\u3059\u308bF1\u30b9\u30b3\u30a2\u306f\u3001\u30af\u30e9\u30b9\u306b\u504f\u308a\u304c\u3042\u308b\u5834\u5408\u3067\u3082\u7528\u3044\u3089\u308c\u308b\u6307\u6a19\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 23580a51-1f01-425d-87a7-9b7f3c8b34e8 --><\/p>\r\n<p>&nbsp;<\/p>\r\n<p><strong><span style=\"font-size: 14pt\">4.F1\u30b9\u30b3\u30a2<\/span><\/strong><!-- notionvc: 6bffb40e-7ec0-4502-b0ec-effb42aa0241 --><\/p>\r\n<p>F1\u30b9\u30b3\u30a2\u3068\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f0f\u3067\u8868\u3055\u308c\u308b\u3082\u306e\u3067\u3001\u9069\u5408\u7387\u3068\u518d\u73fe\u7387\u306e\u8abf\u548c\u5e73\u5747\u3092\u8a08\u7b97\u3057\u3066\u3044\u307e\u3059\u3002\u30e2\u30c7\u30eb\u304c\u3069\u308c\u3060\u3051\u591a\u304f\u306e\u6b63\u89e3\u3092\u5f97\u308b\u304b\uff08\u9069\u5408\u7387\uff09\u3001\u304b\u3064\u3001\u5b9f\u969b\u306e\u6b63\u89e3\u3092\u3069\u308c\u3060\u3051\u591a\u304f\u7279\u5b9a\u3067\u304d\u308b\u304b\uff08\u518d\u73fe\u7387\uff09\u306e\u4e21\u65b9\u8003\u616e\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30af\u30e9\u30b9\u306b\u504f\u308a\u304c\u3042\u308b\u5834\u5408\u3067\u3082\u6709\u7528\u306a\u6307\u6a19\u3067\u3059\u3002<\/p>\r\n<p>F1\u30b9\u30b3\u30a2\u306f0\u304b\u30891\u306e\u9593\u306e\u5024\u3092\u3068\u308a\u30011\u306b\u8fd1\u3044\u307b\u3069\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u304c\u826f\u3044\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 9e01b2d1-ea05-48c3-a9f3-a2684df6c45b --><\/p>\r\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.48.png\" alt=\"\" width=\"1384\" height=\"266\" class=\"aligncenter wp-image-4341 size-full\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.48.png 1384w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.48-300x58.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.48-1024x197.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2024\/01\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2024-01-19-11.32.48-768x148.png 768w\" sizes=\"(max-width: 1384px) 100vw, 1384px\" \/><\/p>\r\n<p>&nbsp;<\/p>\r\n<p>\u4ee5\u4e0a\u3001\u30e2\u30c7\u30eb\u304c\u4e88\u6e2c\u3057\u305f\u7d50\u679c\u3068\u5b9f\u969b\u306e\u30af\u30e9\u30b9\u306e\u5206\u985e\u7d50\u679c4\u7a2e\u985e\u3092\u3082\u3068\u306b\u3057\u305f\u3001\u6307\u6a19\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<!-- notionvc: f3c07d0a-d699-483d-a376-d9913ff6b3a0 --><\/p>\r\n<p>&nbsp;<\/p>\r\n<p>&nbsp;<\/p>\r\n<p><!-- notionvc: 29487b2c-642d-4205-a886-4d9ed9596b2f --><\/p>\n\n<h2>Log Loss<\/h2>\n<p>Log Loss(\u5bfe\u6570\u640d\u5931\uff09\u3068\u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u5f0f\u3067\u8a08\u7b97\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u5225\u540d\u300c\u30af\u30ed\u30b9\u30a8\u30f3\u30c8\u30ed\u30d4\u30fc\u300d\u3068\u3082\u8a00\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u5024\u304c\u5c0f\u3055\u3044\u307b\u3069\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u304c\u6b63\u78ba\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\r\n<p>Log Loss\u306e\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\u4e88\u6e2c\u306e\u78ba\u7387\u3092\u53cd\u6620\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p>\u4f8b\u3048\u3070\u30010.7\u306e\u78ba\u7387\u3067\u300c\u967d\u6027\uff08\u30af\u30e9\u30b9\uff11\uff09\u300d\u3068\u4e88\u6e2c\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30ebA\u3068\u30010.9\u306e\u78ba\u7387\u3067\u300c\u967d\u6027\uff08\u30af\u30e9\u30b9\uff11\uff09\u300d\u3068\u4e88\u6e2c\u3055\u308c\u305f\u30b5\u30f3\u30d7\u30ebB\u304c\u3042\u308a\u307e\u3059\u3002\u3069\u3061\u3089\u3082\u300c\u6b63\u89e3\u7387\u300d\u306a\u3069\u306e\u6307\u6a19\u3067\u306f\u30af\u30e9\u30b9\uff11\u3068\u3044\u3046\u5206\u985e\u7d50\u679c\u306e\u307f\u304c\u8a08\u4e0a\u3055\u308c\u307e\u3059\u304c\u3001Log Loss(\u5bfe\u6570\u640d\u5931\uff09\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u30010.7\u30010.9\u3068\u3044\u3063\u305f\u78ba\u7387\u3082\u53cd\u6620\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: 60295cb2-3c27-403f-af85-0f9ebb99d2f3 --><\/p>\r\n<p>&nbsp;<\/p>\n\n<h2>\u8a55\u4fa1\u6307\u6a19\u2260\u640d\u5931\u95a2\u6570<\/h2>\n<p>\u6700\u5f8c\u306b\u3001<strong>\u300c\u8a55\u4fa1\u95a2\u6570\u300d\u3068\u300c\u640d\u5931\u95a2\u6570\u300d\u306f\u3069\u3061\u3089\u3082\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306b\u3088\u304f\u4f7f\u308f\u308c\u308b\u3082\u306e\u3067\u3059\u304c\u3001\u540c\u3058\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/strong><\/p>\r\n<p>\u640d\u5931\u95a2\u6570\u306f\u3001\u30e2\u30c7\u30eb\u306e\u8a13\u7df4\u6642\u306b\u4f7f\u7528\u3055\u308c\u308b\u3082\u306e\u3067\u3059\u3002\u30e2\u30c7\u30eb\u304c\u5b66\u7fd2\u4e2d\u306b\u6700\u5c0f\u5316\u3057\u3088\u3046\u3068\u3059\u308b\u95a2\u6570\u3067\u3042\u308a\u3001\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u3068\u5b9f\u969b\u306e\u5024\u306e\u8aa4\u5dee\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002\u640d\u5931\u95a2\u6570\u306e\u6700\u5c0f\u5316\u3092\u901a\u3058\u3066\u3001\u30e2\u30c7\u30eb\u306f\u6700\u9069\u306a\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u898b\u3064\u3051\u3001\u4e88\u6e2c\u306e\u7cbe\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/p>\r\n<p>\u6b21\u306b\u3001\u8a55\u4fa1\u95a2\u6570\u306f\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u6307\u6a19\u3067\u3059\u3002\u8a13\u7df4\u304c\u7d42\u4e86\u3057\u305f\u5f8c\u306b\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<p>\u56de\u5e30\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u5e73\u5747\u4e8c\u4e57\u8aa4\u5dee\uff08MSE\uff09\u3084\u5206\u985e\u554f\u984c\u306b\u304a\u3051\u308b\u5bfe\u6570\u640d\u5931\uff08Log Loss\uff09\u306e\u3088\u3046\u306b\u3001\u8a55\u4fa1\u95a2\u6570\u3068\u3057\u3066\u3082\u640d\u5931\u95a2\u6570\u3068\u3057\u3066\u3082\u4f7f\u308f\u308c\u308b\u95a2\u6570\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u4f7f\u7528\u3059\u308b\u5834\u9762\u306b\u3088\u3063\u3066\u540d\u524d\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u6b63\u89e3\u7387\uff08Accuracy\uff09\u3001\u9069\u5408\u7387\uff08Precision\uff09\u306a\u3069\u306f\u3001\u8a55\u4fa1\u95a2\u6570\u3067\u3042\u3063\u3066\u3001\u640d\u5931\u95a2\u6570\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u640d\u5931\u95a2\u6570\u304c\u6700\u5c0f\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u30e2\u30c7\u30eb\u304c\u5b66\u7fd2\u3057\u3001\u305d\u306e\u5f8c\u3001\u8a55\u4fa1\u95a2\u6570\u306b\u3088\u3063\u3066\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u304c\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: cf979b34-8c59-4f98-b723-5b9845a587cf --><\/p>","protected":false},"excerpt":{"rendered":"<p>\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046\u3010\u5206\u985e\u7de8\u3011 \u306f\u3058\u3081\u306b \u524d\u7de8\u3067\u306f\u3001\u56de\u5e30\u30e2\u30c7\u30eb\u306b\u304a\u3051\u308b\u8a55\u4fa1\u6307\u6a19\u3092\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002\u7d9a\u304f\u672c\u7de8\u3067\u306f\u3001\u5206\u985e\u30e2\u30c7\u30eb\uff08\u771f\u304b\u507d\u304b\u3092\u4e88\u6e2c\u3059\u308b\u30e2\u30c7\u30eb\uff09\u306b\u304a\u3051\u308b\u8a55\u4fa1\u6307\u6a19\u3092\u7d39\u4ecb\u3057\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u6df7\u540c\u884c\u5217 \u5206\u985e\u30bf\u30b9\u30af 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