{"id":7628,"date":"2026-02-10T16:59:11","date_gmt":"2026-02-10T07:59:11","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=7628"},"modified":"2026-02-10T18:45:16","modified_gmt":"2026-02-10T09:45:16","slug":"model-accuracy-comparison","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/model-accuracy-comparison\/","title":{"rendered":"\u56de\u5e30\u30e2\u30c7\u30eb\u306e\u8a55\u4fa1\u6307\u6a19\u3092\u5fb9\u5e95\u89e3\u8aac"},"content":{"rendered":"\n<p>R\u00b2\u3001MAPE\u3001MAE\u3001RMSE\u306b\u3064\u3044\u3066\u3001\u610f\u5473\u30fb\u89e3\u91c8\u30fb\u4f7f\u3044\u3069\u3053\u308d\u3092\u6574\u7406\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059<\/p>\n\n\n<h2>1. \u306f\u3058\u3081\u306b<\/h2>\n<p>\u56de\u5e30\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u305f\u3089\u3001\u6b21\u306b\u91cd\u8981\u306a\u306e\u304c\u300c\u8a55\u4fa1\u300d\u3067\u3059\u3002\u8a55\u4fa1\u6307\u6a19\u306f\u3001\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u6570\u5024\u5316\u3057\u3001\u7279\u5fb4\u91cf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3084\u30d1\u30e9\u30e1\u30fc\u30bf\u8abf\u6574\u306b\u3088\u3063\u3066\u672c\u5f53\u306b\u6539\u5584\u3057\u305f\u304b\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306b\u4f7f\u3044\u307e\u3059\u3002<br \/>\r\n\u56de\u5e30\u3067\u306f R\u00b2\u3001MAPE\u3001MAE\u3001RMSE \u306a\u3069\u304c\u3088\u304f\u4f7f\u308f\u308c\u307e\u3059\u304c\u3001\u305d\u308c\u305e\u308c\u304c\u4f55\u3092\u8a55\u4fa1\u3057\u3066\u3044\u308b\u6307\u6a19\u306a\u306e\u304b\u3092\u5341\u5206\u306b\u7406\u89e3\u3057\u306a\u3044\u307e\u307e\u3001\u6163\u7fd2\u7684\u306b\u4f7f\u308f\u308c\u3066\u3044\u308b\u30b1\u30fc\u30b9\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002\u6307\u6a19\u3054\u3068\u306b\u300c\u4f55\u3092\u826f\u3044\u3068\u3059\u308b\u304b\u300d\u306f\u7570\u306a\u308b\u305f\u3081\u3001\u76ee\u7684\u306b\u5408\u308f\u306a\u3044\u6307\u6a19\u3092\u9078\u3076\u3068\u5224\u65ad\u3092\u8aa4\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\r\n\u672c\u8a18\u4e8b\u3067\u306f\u3001\u4ee3\u8868\u7684\u306a\u8a55\u4fa1\u6307\u6a19\u306b\u3064\u3044\u3066\u3001\u610f\u5473\u30fb\u89e3\u91c8\u30fb\u4f7f\u3044\u3069\u3053\u308d\u3092\u6574\u7406\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\r\n<p><!-- notionvc: acca6566-eef5-40f3-98c8-2ab94d99ead7 --><\/p>\n\n<h2>2. \u8a55\u4fa1\u6307\u6a19\u4e00\u89a7<\/h2>\n<div style=\"margin-top: 0;padding-top: 0\">\r\n<p style=\"margin-bottom: 10px\">\u56de\u5e30\u30e2\u30c7\u30eb\u3067\u306f\u3001\u300c\u3069\u308c\u304f\u3089\u3044\u5f53\u305f\u3063\u3066\u3044\u308b\u304b\u300d\u3092\u4e00\u3064\u306e\u6570\u5024\u3067\u8868\u3059\u305f\u3081\u306b\u8a55\u4fa1\u6307\u6a19\u3092\u7528\u3044\u307e\u3059\u3002<\/p>\r\n<p style=\"margin-bottom: 10px\">\u4ee3\u8868\u7684\u306a\u6307\u6a19\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.04.52.png\" style=\"width: 600px !important;height: auto !important\" class=\"alignnone wp-image-7633 size-full\" width=\"1504\" height=\"568\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.04.52.png 1504w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.04.52-300x113.png 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.04.52-1024x387.png 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.04.52-768x290.png 768w\" sizes=\"(max-width: 1504px) 100vw, 1504px\" \/><\/p>\r\n<p style=\"margin-top: 10px\">\u91cd\u8981\u306a\u306e\u306f\u3001\u300c\u3069\u306e\u6307\u6a19\u304c\u4e00\u756a\u512a\u308c\u3066\u3044\u308b\u304b\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u76ee\u7684\u306b\u5408\u3063\u305f\u6307\u6a19\u3092\u9078\u3079\u3066\u3044\u308b\u304b\u300d\u3067\u3059\u3002\u4ee5\u964d\u3067\u306f\u3001\u305d\u308c\u305e\u308c\u306e\u6307\u6a19\u306b\u3064\u3044\u3066\u300c\u610f\u5473\u300d\u300c\u89e3\u91c8\u300d\u300c\u4f7f\u3044\u3069\u3053\u308d\u300d\u3092\u6574\u7406\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\r\n<\/div>\n\n<h2>3. MAPE\uff08Mean Absolute Percentage Error\uff09<\/h2>\n<p>MAPE\u306f\u3001\u5b9f\u6e2c\u5024\u306b\u5bfe\u3057\u3066\u5e73\u5747\u3067\u4f55\uff05\u305a\u308c\u3066\u3044\u308b\u304b\u3092\u8868\u3059\u6307\u6a19\u3067\u3059\u3002<\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.32.41-e1770701696350.png\" style=\"width: 300px !important;height: auto !important\" class=\"alignnone wp-image-7634 size-full\" width=\"200\" height=\"52\" alt=\"\" \/><\/p>\r\n<b>\u3069\u3046\u89e3\u91c8\u3059\u308b\u304b<\/b>\r\n<p>\u305f\u3068\u3048\u3070 MAPE = 20% \u306e\u5834\u5408\u3001\u300c\u3053\u306e\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\u306f\u3001\u5b9f\u6e2c\u5024\u306b\u5bfe\u3057\u3066<strong>\u5e73\u5747\u306720%\u7a0b\u5ea6\u305a\u308c\u3066\u3044\u308b<\/strong>\u300d\u3068\u89e3\u91c8\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u3088\u3046\u306b\u3001<strong>\u5272\u5408\u3067\u8aac\u660e\u3067\u304d\u308b\u305f\u3081\u3001\u30d3\u30b8\u30cd\u30b9\u62c5\u5f53\u8005\u306b\u3082\u975e\u5e38\u306b\u4f1d\u3048\u3084\u3059\u3044<\/strong>\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\r\n<p>\u4e00\u822c\u7684\u306a\u76ee\u5b89\u3068\u3057\u3066\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.56.23.png\" style=\"width: 400px !important;height: auto !important\" class=\"alignnone wp-image-7635 size-full\" width=\"758\" height=\"484\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.56.23.png 758w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-14.56.23-300x192.png 300w\" sizes=\"(max-width: 758px) 100vw, 758px\" \/><\/p>\r\n<b>\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u300c\u5e73\u5747\u3067\u4f55\uff05\u5916\u308c\u3066\u3044\u308b\u304b\u300d\u304c\u76f4\u611f\u7684<\/li>\r\n\t<li>\u30b9\u30b1\u30fc\u30eb\u306b\u4f9d\u5b58\u305b\u305a\u3001\u7570\u306a\u308b\u30e2\u30c7\u30eb\u540c\u58eb\u306e\u6bd4\u8f03\u304c\u3057\u3084\u3059\u3044<\/li>\r\n\t<li>\u9700\u8981\u4e88\u6e2c\u30fb\u58f2\u4e0a\u4e88\u6e2c\u306a\u3069\u3067\u3088\u304f\u4f7f\u308f\u308c\u308b<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<b>\u6ce8\u610f\u70b9<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u5b9f\u6e2c\u5024\u304c <strong>0 \u307e\u305f\u306f 0 \u306b\u8fd1\u3044\u5834\u5408\u306b\u4e0d\u5b89\u5b9a<\/strong><\/li>\r\n\t<li>\u5c0f\u3055\u306a\u5b9f\u6e2c\u5024\u306b\u5bfe\u3059\u308b\u8aa4\u5dee\u3092\u904e\u5927\u8a55\u4fa1\u3057\u3084\u3059\u3044<\/li>\r\n\t<li>\u30de\u30a4\u30ca\u30b9\u5024\u3092\u542b\u3080\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u306f\u57fa\u672c\u7684\u306b\u4e0d\u5411\u304d<\/li>\r\n<\/ul>\r\n<p><span style=\"font-size: 14pt\"><strong><span>\u2705<\/span>\u00a0<!-- notionvc: 95bc1754-0784-42e1-b839-962f8cee1d1c -->\u300c\u8aac\u660e\u3057\u3084\u3059\u3055\u91cd\u8996\u300d\u306e\u5834\u9762\u3067\u306f\u6709\u529b\u3060\u304c\u3001\u4e07\u80fd\u3067\u306f\u306a\u3044\u6307\u6a19\u3067\u3059\u3002<\/strong><\/span><\/p>\n\n<h2>4. MAE\uff08Mean Absolute Error\uff09<\/h2>\n<p>MAE\u306f\u3001\u4e88\u6e2c\u5024\u3068\u5b9f\u6e2c\u5024\u306e\u30ba\u30ec\u306e\u7d76\u5bfe\u5024\u3092\u5e73\u5747\u3057\u305f\u3082\u306e\u3067\u3059\u3002<!-- notionvc: 93b13d5a-a6b2-4131-a81e-c4ec7dc2f539 --><\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-15.57.33.png\" style=\"width: 300px !important;height: auto !important\" class=\"alignnone wp-image-7637 size-full\" width=\"358\" height=\"136\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-15.57.33.png 358w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-15.57.33-300x114.png 300w\" sizes=\"(max-width: 358px) 100vw, 358px\" \/><\/p>\r\n<b>\u3069\u3046\u89e3\u91c8\u3059\u308b\u304b<\/b>\r\n<p>\u305f\u3068\u3048\u3070 MAE = 5 \u306e\u5834\u5408\u3001<br \/>\r\n\u300c\u3053\u306e\u30e2\u30c7\u30eb\u306f\u5e73\u5747\u3059\u308b\u30685\uff08\u500b\u30fb\u5186\u306a\u3069\uff09\u5206\u305a\u308c\u3066\u3044\u308b\u300d<br \/>\r\n\u3068\u89e3\u91c8\u3067\u304d\u307e\u3059\u3002<br \/>\r\nMAPE\u3068\u9055\u3044\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u3068\u540c\u3058\u5358\u4f4d\u3067\u8aa4\u5dee\u3092\u628a\u63e1\u3067\u304d\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\r\n<p>&nbsp;<\/p>\r\n<b>\u5b9f\u52d9\u3067\u306e\u4f7f\u3044\u65b9<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u5e73\u5747\u8ca9\u58f2\u6570\u304c100\u500b\u3067 MAE = 5 \u2192 \u5e73\u57475%\u7a0b\u5ea6\u306e\u8aa4\u5dee<\/li>\r\n\t<li>\u300c\u00b110\u500b\u307e\u3067\u306a\u3089\u554f\u984c\u306a\u3044\u300d\u3068\u3044\u3063\u305f\u696d\u52d9\u8981\u4ef6\u3068\u76f4\u63a5\u6bd4\u8f03\u3067\u304d\u308b<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<b>\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u5358\u4f4d\u304c\u305d\u306e\u307e\u307e\u3067\u5206\u304b\u308a\u3084\u3059\u3044<\/li>\r\n\t<li>\u5916\u308c\u5024\u306e\u5f71\u97ff\u3092\u53d7\u3051\u306b\u304f\u304f\u3001\u5b89\u5b9a\u3057\u305f\u6307\u6a19<\/li>\r\n\t<li>\u30d3\u30b8\u30cd\u30b9\u5224\u65ad\u3068\u7d50\u3073\u3064\u3051\u3084\u3059\u3044<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<b>\u6ce8\u610f\u70b9<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u30b9\u30b1\u30fc\u30eb\u304c\u7570\u306a\u308b\u30bf\u30b9\u30af\u540c\u58eb\u306e\u76f4\u63a5\u6bd4\u8f03\u306b\u306f\u5411\u304b\u306a\u3044<\/li>\r\n\t<li>\u5927\u304d\u306a\u8aa4\u5dee\u3092\u7279\u5225\u306b\u91cd\u8996\u3057\u305f\u3044\u5834\u5408\u306b\u306f\u4e0d\u5341\u5206\u306a\u3053\u3068\u3082\u3042\u308b<\/li>\r\n<\/ul>\r\n<p><span style=\"font-size: 14pt\"><strong><span>\u2705<\/span>\u00a0<!-- notionvc: 95bc1754-0784-42e1-b839-962f8cee1d1c -->\u300c\u5e73\u5747\u3067\u3069\u308c\u304f\u3089\u3044\u30ba\u30ec\u308b\u304b\u300d\u3092\u7d20\u76f4\u306b\u77e5\u308a\u305f\u3044\u5834\u5408\u306e\u57fa\u672c\u6307\u6a19\u3067\u3059\u3002<\/strong><\/span><!-- notionvc: 15a3e25d-7cf9-4e19-93af-7de41a14baca --><!-- notionvc: 10661659-b43d-4afd-9aab-b48b6f1fddb9 --><\/p>\n\n<h2>5. RMSE\uff08Root Mean Square Error\uff09<\/h2>\n<p>RMSE\u306f\u3001\u8aa4\u5dee\u3092\u4e8c\u4e57\u3057\u3066\u5e73\u5747\u3057\u3001\u305d\u306e\u5e73\u65b9\u6839\u3092\u53d6\u3063\u305f\u6307\u6a19\u3067\u3059\u3002 <!-- --><!-- notionvc: c08f515d-4d50-4020-8ece-0d0b87f545c4 --><\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.05.29.png\" style=\"width: 300px !important;height: auto !important\" class=\"alignnone wp-image-7638 size-full\" width=\"462\" height=\"152\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.05.29.png 462w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.05.29-300x99.png 300w\" sizes=\"(max-width: 462px) 100vw, 462px\" \/><\/p>\r\n<b>\u3069\u3046\u89e3\u91c8\u3059\u308b\u304b<\/b>\r\n<p>\u5358\u4f4d\u306fMAE\u3068\u540c\u3058\u3067\u3059\u304c\u3001<strong>\u5927\u304d\u306a\u8aa4\u5dee\u3092\u3088\u308a\u5f37\u304f\u8a55\u4fa1<\/strong>\u3057\u307e\u3059\u3002<\/p>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>MAE \u2252 RMSE \u2192 \u5927\u304d\u306a\u5916\u308c\u5024\u304c\u5c11\u306a\u3044<\/li>\r\n\t<li>RMSE \u226b MAE \u2192 \u4e00\u90e8\u3067\u5927\u304d\u306a\u5916\u308c\u304c\u767a\u751f\u3057\u3066\u3044\u308b<\/li>\r\n<\/ul>\r\n<p>\u3068\u3044\u3063\u305f\u8aad\u307f\u53d6\u308a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\r\n<p>&nbsp;<\/p>\r\n<b>\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u5927\u304d\u306a\u8aa4\u5dee\u3092\u5f37\u304f\u30da\u30ca\u30eb\u30c6\u30a3\u3067\u304d\u308b<\/li>\r\n\t<li>\u56de\u5e30\u554f\u984c\u3067\u5e83\u304f\u4f7f\u308f\u308c\u308b\u6a19\u6e96\u7684\u6307\u6a19<\/li>\r\n\t<li>\u6700\u9069\u5316\u3084\u30e2\u30c7\u30eb\u6bd4\u8f03\u306b\u5411\u3044\u3066\u3044\u308b<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<b>\u6ce8\u610f\u70b9<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 10px\">\r\n\t<li>\u5916\u308c\u5024\u306b\u654f\u611f<\/li>\r\n\t<li>\u30d3\u30b8\u30cd\u30b9\u62c5\u5f53\u8005\u306b\u306f\u76f4\u611f\u7684\u306b\u4f1d\u308f\u308a\u306b\u304f\u3044\u5834\u5408\u304c\u3042\u308b<\/li>\r\n<\/ul>\r\n<p><span data-token-index=\"0\" class=\"notion-enable-hover\" style=\"font-size: 14pt\">\u2705 <strong>\u300c\u5927\u304d\u306a\u4e88\u6e2c\u30df\u30b9\u3092\u7279\u306b\u907f\u3051\u305f\u3044\u300d\u5834\u9762\u3067\u6709\u52b9\u306a\u6307\u6a19<\/strong><\/span><strong style=\"font-size: 14pt\">\u3067\u3059\u3002<\/strong><\/p>\n\n<h2>6. \u6c7a\u5b9a\u4fc2\u6570 R\u00b2<\/h2>\n<p>\u00a0R\u00b2\u306f\u3001<span data-token-index=\"1\" class=\"notion-enable-hover\">\u30e2\u30c7\u30eb\u304c\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u3070\u3089\u3064\u304d\u3092\u3069\u308c\u3060\u3051\u8aac\u660e\u3067\u304d\u3066\u3044\u308b\u304b<\/span>\u3092\u8868\u3057\u307e\u3059\u3002<!-- notionvc: cfa54cb2-a657-4614-860e-e3ac8dcf09aa --><\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.10.23.png\" style=\"width: 300px !important;height: auto !important\" class=\"alignnone wp-image-7639 size-full\" width=\"420\" height=\"136\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.10.23.png 420w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.10.23-300x97.png 300w\" sizes=\"(max-width: 420px) 100vw, 420px\" \/><\/p>\r\n<b>\u3069\u3046\u89e3\u91c8\u3059\u308b\u304b<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>R\u00b2 = 0.7 \u2192 \u30c7\u30fc\u30bf\u306e\u3070\u3089\u3064\u304d\u306e70%\u3092\u30e2\u30c7\u30eb\u304c\u8aac\u660e<\/li>\r\n\t<li>R\u00b2 = 0 \u2192 \u5e73\u5747\u5024\u4e88\u6e2c\u3068\u540c\u30ec\u30d9\u30eb<\/li>\r\n\t<li>\u8ca0\u306e\u5024 \u2192 \u5e73\u5747\u4e88\u6e2c\u3088\u308a\u60aa\u3044<\/li>\r\n<\/ul>\r\n<p>\u4e00\u822c\u7684\u306a\u76ee\u5b89\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\r\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.19.01.png\" style=\"width: 350px !important;height: auto !important\" class=\"alignnone wp-image-7640 size-full\" width=\"566\" height=\"478\" alt=\"\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.19.01.png 566w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/02\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-10-16.19.01-300x253.png 300w\" sizes=\"(max-width: 566px) 100vw, 566px\" \/><\/p>\r\n<b>\u30e1\u30ea\u30c3\u30c8<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u30e2\u30c7\u30eb\u5168\u4f53\u306e\u8aac\u660e\u529b\u3092\u4e00\u76ee\u3067\u628a\u63e1\u3067\u304d\u308b<\/li>\r\n\t<li>\u4ed6\u30e2\u30c7\u30eb\u3068\u306e\u6bd4\u8f03\u304c\u3057\u3084\u3059\u3044<\/li>\r\n<\/ul>\r\n<p>&nbsp;<\/p>\r\n<b>\u6ce8\u610f\u70b9<\/b>\r\n<ul style=\"list-style-type: disc;margin-left: 20px\">\r\n\t<li>\u8aa4\u5dee\u306e\u5927\u304d\u3055\u81ea\u4f53\u306f\u5206\u304b\u3089\u306a\u3044<\/li>\r\n\t<li>\u9ad8\u3044R\u00b2\u3067\u3082\u3001\u696d\u52d9\u7684\u306b\u8a31\u5bb9\u3067\u304d\u306a\u3044\u8aa4\u5dee\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308b<\/li>\r\n\t<li>\u7279\u5fb4\u91cf\u3092\u5897\u3084\u3059\u3060\u3051\u3067\u4e0a\u304c\u308a\u3084\u3059\u3044<\/li>\r\n<\/ul>\r\n<p><span style=\"font-size: 14pt\"><span data-token-index=\"0\" class=\"notion-enable-hover\">\u2705\u00a0\u6307\u6a19\u4e0a\u3067\u306f\u300c\u826f\u3055\u305d\u3046\u300d\u306b\u898b\u3048\u3066\u3082\u3001\u5fc5\u305aMAE\u3084RMSE\u3068\u4f75\u7528\u3059\u3079\u304d\u6307\u6a19<\/span>\u3067\u3059\u3002<\/span><!-- notionvc: e1203fbb-9244-4011-b314-508d6fb3d452 --><\/p>\r\n<p><!-- notionvc: cd4131d3-63a5-4205-bcda-876cd43f3870 --><\/p>\r\n<p><!-- notionvc: f5781d8f-8be7-4233-8c2d-6a53e2c9869b --><\/p>\n\n<h2>7. \u307e\u3068\u3081<\/h2>\n<p>\u8a55\u4fa1\u6307\u6a19\u306f\u3001<strong>\u30e2\u30c7\u30eb\u306e\u826f\u3057\u60aa\u3057\u3092\u4e00\u9762\u7684\u306b\u5224\u65ad\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093<\/strong>\u3002<\/p>\r\n<p>\u2705\u00a0\u30d3\u30b8\u30cd\u30b9\u8aac\u660e\u91cd\u8996 \u2192 MAPE<\/p>\r\n<p>\u2705\u00a0\u5e73\u5747\u7684\u306a\u30ba\u30ec\u3092\u628a\u63e1 \u2192 MAE<\/p>\r\n<p>\u2705\u00a0\u5927\u304d\u306a\u30df\u30b9\u3092\u907f\u3051\u305f\u3044 \u2192 RMSE<\/p>\r\n<p>\u2705\u00a0\u30e2\u30c7\u30eb\u5168\u4f53\u306e\u8aac\u660e\u529b \u2192 R\u00b2<\/p>\r\n<p>\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u76ee\u7684\u30fb\u76f8\u624b\u30fb\u5224\u65ad\u57fa\u6e96\u306b\u3088\u3063\u3066\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\r\n<p>\u7279\u306b\u5b9f\u52d9\u3067\u306f\u3001\u300cR\u00b2\u306f\u9ad8\u3044\u304c\u3001MAE\u3092\u898b\u308b\u3068\u696d\u52d9\u7684\u306b\u4f7f\u3048\u306a\u3044\u300d\u3068\u3044\u3063\u305f\u30b1\u30fc\u30b9\u3082\u73cd\u3057\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\r\n<p>\u8a55\u4fa1\u6307\u6a19\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3001\u300c\u6570\u5b57\u306e\u610f\u5473\u3092\u8aac\u660e\u3067\u304d\u308b\u72b6\u614b\u300d\u306b\u306a\u308b\u3053\u3068\u304c\u3001\u6a5f\u68b0\u5b66\u7fd2\u3092\u4f7f\u3048\u308b\u6280\u8853\u306b\u3059\u308b\u7b2c\u4e00\u6b69\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\r\n<p><!-- notionvc: 52f60dd0-c198-46d7-9f26-045a3a89d808 --><\/p>","protected":false},"excerpt":{"rendered":"<p>R\u00b2\u3001MAPE\u3001MAE\u3001RMSE\u306b\u3064\u3044\u3066\u3001\u610f\u5473\u30fb\u89e3\u91c8\u30fb\u4f7f\u3044\u3069\u3053\u308d\u3092\u6574\u7406\u3057\u3066\u89e3\u8aac\u3057\u307e\u3059 1. \u306f\u3058\u3081\u306b \u56de\u5e30\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u305f\u3089\u3001\u6b21\u306b\u91cd\u8981\u306a\u306e\u304c\u300c\u8a55\u4fa1\u300d\u3067\u3059\u3002\u8a55\u4fa1\u6307\u6a19\u306f\u3001\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u6570\u5024\u5316\u3057\u3001\u7279\u5fb4\u91cf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u3084\u30d1\u30e9\u30e1\u30fc [&hellip;]<\/p>\n","protected":false},"author":69,"featured_media":5265,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","swell_btn_cv_data":"","footnotes":"","_wp_rev_ctl_limit":""},"categories":[1246],"tags":[484,39,290,419],"class_list":["post-7628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-infrastructure","tag-484","tag-39","tag-290","tag-419"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7628","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/users\/69"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=7628"}],"version-history":[{"count":1,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7628\/revisions"}],"predecessor-version":[{"id":7647,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7628\/revisions\/7647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/5265"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=7628"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=7628"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=7628"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}