{"id":47110,"date":"2026-08-14T14:02:17","date_gmt":"2026-08-14T05:02:17","guid":{"rendered":"https:\/\/www.ripla.co.jp\/blog\/?p=47110"},"modified":"2026-08-31T19:38:49","modified_gmt":"2026-08-31T10:38:49","slug":"kappa-coefficient","status":"publish","type":"post","link":"https:\/\/www.ripla.co.jp\/blog\/system\/kappa-coefficient\/","title":{"rendered":"\u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\uff1f\u4e00\u81f4\u7387\u3068\u306e\u9055\u3044\u30fb\u8a08\u7b97\u65b9\u6cd5\u30fb\u89e3\u91c8\u306e\u6ce8\u610f\u70b9\u3092\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\u3001\u5206\u985e\u8005\u3084\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u5224\u5b9a\u304c\u3069\u306e\u7a0b\u5ea6\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u3001\u5076\u7136\u306b\u4e00\u81f4\u3059\u308b\u5206\u3092\u5dee\u3057\u5f15\u3044\u3066\u6e2c\u308b\u6307\u6a19\u3067\u3059\u3002\u5358\u7d14\u306a\u4e00\u81f4\u7387\u306f\u3001\u3042\u308b\u30af\u30e9\u30b9\u304c\u5927\u591a\u6570\u3092\u5360\u3081\u308b\u30c7\u30fc\u30bf\u3067\u306f\u9ad8\u304f\u898b\u3048\u307e\u3059\u3002\u30ab\u30c3\u30d1\u4fc2\u6570\u306f\u3001\u89b3\u6e2c\u3055\u308c\u305f\u4e00\u81f4\u5ea6\u3068\u3001\u30af\u30e9\u30b9\u306e\u51fa\u73fe\u5272\u5408\u304b\u3089\u671f\u5f85\u3055\u308c\u308b\u5076\u7136\u306e\u4e00\u81f4\u5ea6\u3092\u6bd4\u8f03\u3059\u308b\u305f\u3081\u3001\u5206\u985e\u306e\u4fe1\u983c\u6027\u3092\u5225\u306e\u89d2\u5ea6\u304b\u3089\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee3\u8868\u7684\u306aCohen\u306e\u30ab\u30c3\u30d1\u4fc2\u6570\u306f\u30012\u4eba\u306e\u8a55\u4fa1\u8005\u30842\u3064\u306e\u5206\u985e\u7d50\u679c\u306e\u4e00\u81f4\u3092\u6e2c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u9806\u5e8f\u306e\u3042\u308b\u8a55\u4fa1\u306b\u306f\u91cd\u307f\u4ed8\u304d\u30ab\u30c3\u30d1\u30013\u4eba\u4ee5\u4e0a\u306e\u8a55\u4fa1\u8005\u306b\u306fFleiss\u306e\u30ab\u30c3\u30d1\u306a\u3069\u3001\u6761\u4ef6\u306b\u5fdc\u3058\u305f\u30d0\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u304c\u3042\u308a\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u30ab\u30c3\u30d1\u4fc2\u6570\u306e\u610f\u5473\u3068\u8a08\u7b97\u5f0f\u3001\u5358\u7d14\u4e00\u81f4\u7387\u3068\u306e\u9055\u3044\u3001\u89e3\u91c8\u306e\u6ce8\u610f\u70b9\u3001\u6a5f\u68b0\u5b66\u7fd2\u306e\u5206\u985e\u8a55\u4fa1\u3084\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u54c1\u8cea\u7ba1\u7406\u3067\u306e\u4f7f\u3044\u65b9\u3092\u6574\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"kappa-overview\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\uff1f\u5076\u7136\u306e\u4e00\u81f4\u3092\u9664\u3044\u305f\u5206\u985e\u306e\u4e00\u81f4\u5ea6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30c3\u30d1\u4fc2\u6570\uff08kappa coefficient\uff09\u306f\u30012\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u5224\u5b9a\u304c\u3069\u308c\u3060\u3051\u4e00\u81f4\u3057\u305f\u304b\u3092\u8868\u3059\u7d71\u8a08\u6307\u6a19\u3067\u3059\u3002\u5165\u529b\u306f\u3001\u540c\u3058\u5bfe\u8c61\u306b\u5bfe\u3059\u308b\u8a55\u4fa1\u8005A\u3068\u8a55\u4fa1\u8005B\u306e\u30e9\u30d9\u30eb\u3001\u307e\u305f\u306f\u6b63\u89e3\u30e9\u30d9\u30eb\u3068\u30e2\u30c7\u30eb\u4e88\u6e2c\u306e\u7d44\u307f\u5408\u308f\u305b\u3067\u3059\u3002\u89b3\u6e2c\u3055\u308c\u305f\u4e00\u81f4\u7387\u3092 <code>P_o<\/code>\u3001\u5404\u8a55\u4fa1\u8005\u304c\u540c\u3058\u5206\u5e03\u3067\u72ec\u7acb\u306b\u5224\u5b9a\u3057\u305f\u3068\u4eee\u5b9a\u3057\u305f\u671f\u5f85\u4e00\u81f4\u7387\u3092 <code>P_e<\/code> \u3068\u3059\u308b\u3068\u3001Cohen\u306e\u30ab\u30c3\u30d1\u306f\u6b21\u306e\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u03ba = (P_o - P_e) \/ (1 - P_e)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u5b50\u306f\u5076\u7136\u3092\u8d85\u3048\u3066\u5f97\u3089\u308c\u305f\u4e00\u81f4\u3001\u5206\u6bcd\u306f\u5076\u7136\u3092\u9664\u3044\u305f\u3068\u304d\u306b\u6b8b\u308b\u4e00\u81f4\u306e\u6700\u5927\u91cf\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002\u5b8c\u5168\u4e00\u81f4\u306a\u3089\u03ba\u306f1\u3001\u89b3\u6e2c\u4e00\u81f4\u304c\u671f\u5f85\u4e00\u81f4\u3068\u540c\u3058\u306a\u30890\u3067\u3059\u3002\u671f\u5f85\u4e00\u81f4\u7387\u3092\u4e0a\u56de\u3089\u305a\u3001\u5206\u5e03\u306e\u504f\u308a\u306b\u3088\u3063\u3066\u8ca0\u306b\u306a\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30ab\u30c3\u30d1\u4fc2\u6570\u3092\u300c\u4e00\u81f4\u7387\u306e\u767e\u5206\u7387\u300d\u3068\u89e3\u91c8\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"kappa-confusion-matrix\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u306e\u8a08\u7b97\u65b9\u6cd5\uff5c\u6df7\u540c\u884c\u5217\u304b\u3089\u89b3\u6e2c\u4e00\u81f4\u3068\u671f\u5f85\u4e00\u81f4\u3092\u6c42\u3081\u308b<\/strong><\/h2>\n\n\n\n<h3 id=\"kappa-po\" class=\"wp-block-heading\"><strong>\u89b3\u6e2c\u4e00\u81f4\u7387Po\u3092\u8a08\u7b97\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305a\u3001\u6df7\u540c\u884c\u5217\u306e\u5bfe\u89d2\u6210\u5206\u3001\u3064\u307e\u308a2\u3064\u306e\u5224\u5b9a\u304c\u540c\u3058\u30bb\u30eb\u306e\u6570\u3092\u5408\u8a08\u3057\u3001\u5168\u4ef6\u6570\u3067\u5272\u308a\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001100\u4ef6\u306e\u3046\u306180\u4ef6\u3067\u30e9\u30d9\u30eb\u304c\u4e00\u81f4\u3057\u3066\u3044\u308c\u3070\u3001\u89b3\u6e2c\u4e00\u81f4\u7387\u306f <code>P_o=0.80<\/code> \u3067\u3059\u3002\u3053\u306e\u5024\u306f\u901a\u5e38\u306eaccuracy\u3068\u540c\u3058\u5f62\u3067\u3059\u304c\u3001\u30ab\u30c3\u30d1\u3067\u306f\u6b21\u306b\u5076\u7136\u306e\u4e00\u81f4\u3092\u5dee\u3057\u5f15\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"kappa-pe\" class=\"wp-block-heading\"><strong>\u671f\u5f85\u4e00\u81f4\u7387Pe\u3092\u8a08\u7b97\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u671f\u5f85\u4e00\u81f4\u7387\u306f\u3001\u5404\u8a55\u4fa1\u8005\u304c\u3069\u306e\u30af\u30e9\u30b9\u3092\u3069\u306e\u5272\u5408\u3067\u9078\u3093\u3060\u304b\u3092\u4f7f\u3044\u307e\u3059\u30022\u30af\u30e9\u30b9\u306e\u5834\u5408\u3001\u8a55\u4fa1\u8005A\u304c\u967d\u6027\u3092\u9078\u3076\u5272\u5408\u3068\u8a55\u4fa1\u8005B\u304c\u967d\u6027\u3092\u9078\u3076\u5272\u5408\u3092\u639b\u3051\u3001\u9670\u6027\u306e\u5272\u5408\u540c\u58eb\u3092\u639b\u3051\u305f\u5024\u3092\u8db3\u3057\u307e\u3059\u3002\u591a\u30af\u30e9\u30b9\u3067\u3082\u3001\u30af\u30e9\u30b9\u3054\u3068\u306e\u5468\u8fba\u6bd4\u7387\u3092\u639b\u3051\u3066\u5408\u8a08\u3057\u307e\u3059\u3002\u7247\u65b9\u304c\u307b\u3068\u3093\u3069\u306e\u5bfe\u8c61\u3092\u300c\u6b63\u5e38\u300d\u3068\u5224\u5b9a\u3059\u308b\u5834\u5408\u3001\u5076\u7136\u4e00\u81f4\u306e\u5272\u5408\u304c\u9ad8\u304f\u306a\u308a\u3001\u5358\u7d14\u4e00\u81f4\u7387\u3068\u306e\u5dee\u304c\u73fe\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"kappa-example\" class=\"wp-block-heading\"><strong>\u5177\u4f53\u4f8b\u3067\u898b\u308b\u4e00\u81f4\u7387\u3068\u306e\u9055\u3044<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">100\u4ef6\u306e\u3046\u306190\u4ef6\u304c\u9670\u6027\u3067\u3001\u8a55\u4fa1\u8005A\u3068B\u304c\u3068\u3082\u306b\u307b\u307c\u3059\u3079\u3066\u3092\u9670\u6027\u3068\u5224\u5b9a\u3059\u308b\u3068\u3001\u4e00\u81f4\u7387\u306f95\uff05\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u4e21\u8005\u306e\u967d\u6027\u5224\u5b9a\u304c\u5341\u5206\u306b\u4e00\u81f4\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u3001\u30af\u30e9\u30b9\u5206\u5e03\u3060\u3051\u3067\u9ad8\u3044\u4e00\u81f4\u7387\u304c\u751f\u307e\u308c\u305f\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u671f\u5f85\u4e00\u81f4\u7387\u304c0.90\u3001\u89b3\u6e2c\u4e00\u81f4\u7387\u304c0.95\u306a\u3089\u3001\u03ba\u306f <code>(0.95-0.90)\/(1-0.90)=0.50<\/code> \u3067\u3059\u3002accuracy\u306e95\uff05\u3060\u3051\u3092\u898b\u308b\u5834\u5408\u3068\u8a55\u4fa1\u304c\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"kappa-types\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u306e\u7a2e\u985e\uff5c\u8a55\u4fa1\u8005\u6570\u3068\u30e9\u30d9\u30eb\u306e\u9806\u5e8f\u3067\u9078\u3076<\/strong><\/h2>\n\n\n\n<h3 id=\"kappa-cohen\" class=\"wp-block-heading\"><strong>Cohen\u306e\u30ab\u30c3\u30d1\uff5c2\u3064\u306e\u5224\u5b9a\u3092\u6bd4\u8f03\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Cohen\u306e\u30ab\u30c3\u30d1\u306f\u30012\u4eba\u306e\u8a55\u4fa1\u8005\u3001\u307e\u305f\u306f\u6b63\u89e3\u30e9\u30d9\u30eb\u3068\u30e2\u30c7\u30eb\u4e88\u6e2c\u306e\u3088\u3046\u306b2\u3064\u306e\u5224\u5b9a\u7cfb\u5217\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u5404\u5bfe\u8c61\u304c\u540c\u30582\u30af\u30e9\u30b9\u4ee5\u4e0a\u306e\u30ab\u30c6\u30b4\u30ea\u306b\u5206\u985e\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u524d\u63d0\u3067\u3059\u3002\u30e2\u30c7\u30eb\u8a55\u4fa1\u3067\u4f7f\u3046\u3068\u304d\u306f\u3001\u6b63\u89e3\u30e9\u30d9\u30eb\u306e\u4f5c\u308a\u65b9\u304c\u59a5\u5f53\u3067\u3042\u308b\u3053\u3068\u3001\u8a55\u4fa1\u5bfe\u8c61\u304c\u72ec\u7acb\u3057\u3066\u3044\u308b\u3053\u3068\u3001\u30af\u30e9\u30b9\u306e\u5b9a\u7fa9\u304c\u56fa\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"kappa-weighted\" class=\"wp-block-heading\"><strong>\u91cd\u307f\u4ed8\u304d\u30ab\u30c3\u30d1\uff5c\u9806\u5e8f\u5c3a\u5ea6\u306e\u96e2\u308c\u65b9\u3092\u8003\u616e\u3059\u308b<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u300c\u8efd\u5ea6\u30fb\u4e2d\u7b49\u5ea6\u30fb\u91cd\u5ea6\u300d\u306e\u3088\u3046\u306b\u30ab\u30c6\u30b4\u30ea\u306b\u9806\u5e8f\u304c\u3042\u308b\u5834\u5408\u3001\u8efd\u5ea6\u3068\u4e2d\u7b49\u5ea6\u306e\u4e0d\u4e00\u81f4\u3068\u3001\u8efd\u5ea6\u3068\u91cd\u5ea6\u306e\u4e0d\u4e00\u81f4\u3092\u540c\u3058\u6271\u3044\u306b\u3059\u308b\u306e\u306f\u4e0d\u81ea\u7136\u3067\u3059\u3002\u91cd\u307f\u4ed8\u304d\u30ab\u30c3\u30d1\u3067\u306f\u3001\u96a3\u63a5\u30ab\u30c6\u30b4\u30ea\u306e\u4e0d\u4e00\u81f4\u306b\u306f\u5c0f\u3055\u306a\u30da\u30ca\u30eb\u30c6\u30a3\u3001\u96e2\u308c\u305f\u30ab\u30c6\u30b4\u30ea\u306b\u306f\u5927\u304d\u306a\u30da\u30ca\u30eb\u30c6\u30a3\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u7dda\u5f62\u91cd\u307f\u3001\u4e8c\u4e57\u91cd\u307f\u306a\u3069\u306e\u9078\u629e\u306b\u3088\u3063\u3066\u5024\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u63a1\u7528\u3057\u305f\u91cd\u307f\u3068\u7406\u7531\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"kappa-fleiss\" class=\"wp-block-heading\"><strong>Fleiss\u306e\u30ab\u30c3\u30d1\uff5c3\u4eba\u4ee5\u4e0a\u306e\u8a55\u4fa1\u8005\u3092\u6271\u3046<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">3\u4eba\u4ee5\u4e0a\u306e\u8a55\u4fa1\u8005\u304c\u540c\u3058\u5bfe\u8c61\u3092\u30ab\u30c6\u30b4\u30ea\u5206\u3051\u3059\u308b\u5834\u5408\u3001Fleiss\u306e\u30ab\u30c3\u30d1\u306a\u3069\u8907\u6570\u8a55\u4fa1\u8005\u5411\u3051\u306e\u6307\u6a19\u3092\u4f7f\u3044\u307e\u3059\u3002\u5168\u54e1\u306e\u30da\u30a2\u3092\u4f5c\u3063\u3066Cohen\u306e\u30ab\u30c3\u30d1\u3092\u5e73\u5747\u3059\u308b\u65b9\u6cd5\u3068\u306f\u3001\u524d\u63d0\u3084\u89e3\u91c8\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u8a55\u4fa1\u8005\u304c\u56fa\u5b9a\u306e2\u4eba\u306a\u306e\u304b\u3001\u8907\u6570\u306e\u8a55\u4fa1\u8005\u304b\u3089\u4e00\u90e8\u304c\u5272\u308a\u5f53\u3066\u3089\u308c\u308b\u306e\u304b\u306b\u3088\u3063\u3066\u8a2d\u8a08\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u4eba\u6570\u3060\u3051\u3067\u306a\u304f\u30c7\u30fc\u30bf\u53ce\u96c6\u306e\u69cb\u9020\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 id=\"kappa-interpretation\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u306e\u89e3\u91c8\uff5c\u6570\u5024\u306e\u76ee\u5b89\u3092\u6a5f\u68b0\u7684\u306b\u9069\u7528\u3057\u306a\u3044<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u03ba\u306e\u89e3\u91c8\u3068\u3057\u3066\u30010\u672a\u6e80\u30010\u301c0.20\u30010.21\u301c0.40\u30010.41\u301c0.60\u30010.61\u301c0.80\u30010.81\u301c1.00\u306e\u3088\u3046\u306a\u6bb5\u968e\u7684\u306a\u76ee\u5b89\u304c\u7d39\u4ecb\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u308c\u306f\u666e\u904d\u7684\u306a\u5408\u683c\u30e9\u30a4\u30f3\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8aa4\u308a\u306e\u30b3\u30b9\u30c8\u3001\u30af\u30e9\u30b9\u306e\u5e0c\u5c11\u6027\u3001\u5c02\u9580\u5bb6\u9593\u306e\u5408\u610f\u53ef\u80fd\u6027\u3001\u5224\u5b9a\u306e\u96e3\u3057\u3055\u306b\u3088\u3063\u3066\u3001\u8a31\u5bb9\u3067\u304d\u308b\u5024\u306f\u5909\u308f\u308a\u307e\u3059\u3002\u7814\u7a76\u3084\u696d\u52d9\u306e\u57fa\u6e96\u3092\u4e8b\u524d\u306b\u5b9a\u3081\u3001\u4fe1\u983c\u533a\u9593\u3082\u4f75\u8a18\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u306b\u03ba\u304c\u4f4e\u3044\u3068\u304d\u306f\u3001\u8a55\u4fa1\u8005\u304c\u672c\u5f53\u306b\u4e0d\u4e00\u81f4\u306a\u306e\u304b\u3001\u5bfe\u8c61\u304c\u504f\u3063\u3066\u3044\u308b\u306e\u304b\u3001\u30ab\u30c6\u30b4\u30ea\u5b9a\u7fa9\u304c\u66d6\u6627\u306a\u306e\u304b\u3092\u5206\u3051\u3066\u8abf\u3079\u307e\u3059\u3002\u6df7\u540c\u884c\u5217\u3084\u30af\u30e9\u30b9\u5225\u518d\u73fe\u7387\u3092\u78ba\u8a8d\u3057\u3001\u3069\u306e\u30e9\u30d9\u30eb\u9593\u3067\u5224\u65ad\u304c\u5272\u308c\u3066\u3044\u308b\u304b\u3092\u7279\u5b9a\u3057\u307e\u3059\u3002\u53cd\u5bfe\u306b\u3001\u03ba\u304c\u9ad8\u304f\u3066\u3082\u5c11\u6570\u30af\u30e9\u30b9\u3092\u898b\u9003\u3057\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001accuracy\u3084F1\u3001\u9069\u5408\u7387\u30fb\u518d\u73fe\u7387\u3092\u7f6e\u304d\u63db\u3048\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"kappa-prevalence\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u306e\u6ce8\u610f\u70b9\uff5c\u30af\u30e9\u30b9\u5206\u5e03\u3068\u8a55\u4fa1\u8a2d\u8a08\u306e\u5f71\u97ff<\/strong><\/h2>\n\n\n\n<h3 id=\"kappa-prevalence-bias\" class=\"wp-block-heading\"><strong>\u6709\u75c5\u7387\u3084\u30af\u30e9\u30b9\u5272\u5408\u306b\u3088\u308b\u5f71\u97ff<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30c3\u30d1\u306f\u671f\u5f85\u4e00\u81f4\u7387\u3092\u8a08\u7b97\u3059\u308b\u305f\u3081\u3001\u30af\u30e9\u30b9\u306e\u51fa\u73fe\u5272\u5408\u306b\u5f71\u97ff\u3055\u308c\u307e\u3059\u3002\u307e\u308c\u306a\u967d\u6027\u3092\u6271\u3046\u30c7\u30fc\u30bf\u3067\u306f\u3001\u8a55\u4fa1\u8005\u304c\u967d\u6027\u5224\u5b9a\u306b\u3064\u3044\u3066\u9ad8\u3044\u4e00\u81f4\u3092\u793a\u3057\u3066\u3044\u3066\u3082\u3001\u9670\u6027\u306e\u4e00\u81f4\u304c\u652f\u914d\u7684\u306b\u306a\u308a\u3001\u03ba\u304c\u4f4e\u304f\u898b\u3048\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u30af\u30e9\u30b9\u5272\u5408\u3092\u4eba\u5de5\u7684\u306b\u5909\u3048\u305f\u30c7\u30fc\u30bf\u3067\u306f\u3001\u5b9f\u904b\u7528\u6642\u3068\u5024\u3092\u76f4\u63a5\u6bd4\u8f03\u3067\u304d\u307e\u305b\u3093\u3002\u5143\u306e\u5206\u5e03\u3068\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u65b9\u6cd5\u3092\u5831\u544a\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 id=\"kappa-bias\" class=\"wp-block-heading\"><strong>\u8a55\u4fa1\u8005\u306e\u504f\u308a\u3068\u30d0\u30a4\u30a2\u30b9<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">2\u4eba\u306e\u8a55\u4fa1\u8005\u304c\u540c\u3058\u5bfe\u8c61\u3092\u9ad8\u3044\u5272\u5408\u3067\u967d\u6027\u3068\u5224\u5b9a\u3057\u3001\u5225\u306e\u5bfe\u8c61\u3092\u9670\u6027\u3068\u5224\u5b9a\u3057\u3066\u3082\u3001\u4e92\u3044\u306e\u5224\u5b9a\u5206\u5e03\u304c\u5927\u304d\u304f\u9055\u3048\u3070\u03ba\u306f\u5909\u308f\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u30ab\u30c3\u30d1\u304c\u300c\u4e00\u81f4\u300d\u3060\u3051\u3067\u306a\u304f\u300c\u5404\u8a55\u4fa1\u8005\u306e\u5224\u5b9a\u5206\u5e03\u300d\u3082\u8a55\u4fa1\u3057\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u5206\u6790\u3067\u306f\u3001\u03ba\u3001\u4e00\u81f4\u7387\u3001\u5404\u8a55\u4fa1\u8005\u306e\u30af\u30e9\u30b9\u5225\u5272\u5408\u3092\u4e26\u3079\u3001\u3069\u306e\u524d\u63d0\u3067\u5024\u304c\u5909\u308f\u3063\u305f\u306e\u304b\u3092\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"kappa-sample\" class=\"wp-block-heading\"><strong>\u30b5\u30f3\u30d7\u30eb\u6570\u3068\u4fe1\u983c\u533a\u9593<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bfe\u8c61\u6570\u304c\u5c11\u306a\u3044\u3068\u30011\u4ef6\u306e\u5224\u5b9a\u5909\u66f4\u3067\u03ba\u304c\u5927\u304d\u304f\u52d5\u304d\u307e\u3059\u3002\u70b9\u63a8\u5b9a\u3060\u3051\u3067\u306a\u304f\u3001\u30d6\u30fc\u30c8\u30b9\u30c8\u30e9\u30c3\u30d7\u3084\u6f38\u8fd1\u8fd1\u4f3c\u306b\u3088\u308b\u4fe1\u983c\u533a\u9593\u3092\u793a\u3057\u3001\u5bfe\u8c61\u6570\u3068\u30ab\u30c6\u30b4\u30ea\u6570\u3092\u5831\u544a\u3057\u307e\u3059\u3002\u8a55\u4fa1\u8005\u3092\u8ffd\u52a0\u3057\u305f\u3060\u3051\u3067\u5024\u304c\u4e0a\u304c\u3063\u305f\u306e\u304b\u3001\u30ab\u30c6\u30b4\u30ea\u5b9a\u7fa9\u3092\u898b\u76f4\u3057\u305f\u7d50\u679c\u306a\u306e\u304b\u3082\u3001\u540c\u3058\u671f\u9593\u3068\u540c\u3058\u5bfe\u8c61\u3067\u6bd4\u8f03\u3057\u306a\u3044\u3068\u5224\u65ad\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 id=\"kappa-ml\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u6a5f\u68b0\u5b66\u7fd2\u306e\u5206\u985e\u8a55\u4fa1\u3067\u30ab\u30c3\u30d1\u4fc2\u6570\u3092\u4f7f\u3046\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5206\u985e\u30e2\u30c7\u30eb\u3067\u30ab\u30c3\u30d1\u3092\u4f7f\u3046\u5834\u5408\u306f\u3001\u307e\u305a\u8a13\u7df4\u30c7\u30fc\u30bf\u3068\u72ec\u7acb\u3057\u305f\u691c\u8a3c\u30fb\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e88\u6e2c\u3092\u4f5c\u308a\u307e\u3059\u3002\u6b63\u89e3\u30e9\u30d9\u30eb\u3068\u4e88\u6e2c\u30e9\u30d9\u30eb\u3092\u540c\u3058\u9806\u5e8f\u3067\u4e26\u3079\u3001\u30af\u30e9\u30b9\u540d\u306e\u5bfe\u5fdc\u3092\u56fa\u5b9a\u3057\u3066\u304b\u3089\u8a08\u7b97\u3057\u307e\u3059\u3002\u78ba\u7387\u3092\u51fa\u529b\u3059\u308b\u30e2\u30c7\u30eb\u306a\u3089\u3001\u3057\u304d\u3044\u5024\u3092\u5909\u66f4\u3059\u308b\u3068\u03ba\u3082\u5909\u308f\u308b\u305f\u3081\u3001\u696d\u52d9\u4e0a\u306e\u5224\u5b9a\u30eb\u30fc\u30eb\u3068\u4e00\u7dd2\u306b\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.metrics import cohen_kappa_score\n\nkappa = cohen_kappa_score(y_true, y_pred)\nweighted_kappa = cohen_kappa_score(y_true, y_pred, weights=\"quadratic\")\nprint(kappa, weighted_kappa)<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">scikit-learn\u3067\u306f <code>cohen_kappa_score<\/code> \u304cCohen\u306e\u30ab\u30c3\u30d1\u3092\u8a08\u7b97\u3057\u307e\u3059\u3002\u9806\u5e8f\u30ab\u30c6\u30b4\u30ea\u3067\u306f <code>weights<\/code> \u306b\u3088\u308b\u91cd\u307f\u4ed8\u3051\u3092\u691c\u8a0e\u3067\u304d\u307e\u3059\u304c\u3001\u91cd\u307f\u4ed8\u304d\u3068\u901a\u5e38\u306e\u5024\u3092\u6df7\u540c\u3057\u306a\u3044\u3088\u3046\u3001\u6307\u6a19\u540d\u3092\u7d50\u679c\u8868\u306b\u660e\u8a18\u3057\u307e\u3059\u3002\u4e8c\u5024\u5206\u985e\u306e\u30e2\u30c7\u30eb\u6bd4\u8f03\u3067\u306f\u3001\u30ab\u30c3\u30d1\u3060\u3051\u3067\u306a\u304f\u3001\u6df7\u540c\u884c\u5217\u3001F1\u3001PR-AUC\u3001\u696d\u52d9\u4e0a\u91cd\u8981\u306a\u30af\u30e9\u30b9\u306e\u518d\u73fe\u7387\u3082\u4f75\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 id=\"kappa-annotation\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u54c1\u8cea\u7ba1\u7406\u3067\u306e\u6d3b\u7528\uff5c\u4e00\u81f4\u3057\u306a\u3044\u7406\u7531\u3092\u6539\u5584\u306b\u3064\u306a\u3052\u308b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u753b\u50cf\u3001\u6587\u7ae0\u3001\u97f3\u58f0\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u8907\u6570\u306e\u62c5\u5f53\u8005\u304c\u540c\u3058\u30b5\u30f3\u30d7\u30eb\u3092\u5224\u5b9a\u3057\u3001\u30ab\u30c3\u30d1\u4fc2\u6570\u3067\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u306e\u4e00\u8cab\u6027\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u5024\u304c\u4f4e\u3044\u3068\u304d\u306f\u3001\u5358\u306b\u8a55\u4fa1\u8005\u3092\u8cac\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30e9\u30d9\u30eb\u306e\u5b9a\u7fa9\u3001\u5883\u754c\u4e8b\u4f8b\u306e\u4f8b\u793a\u3001\u5224\u5b9a\u624b\u9806\u3001\u5c02\u9580\u7528\u8a9e\u306e\u8aac\u660e\u3092\u898b\u76f4\u3057\u307e\u3059\u3002\u5408\u610f\u5f62\u6210\u5f8c\u306b\u540c\u3058\u30b5\u30f3\u30d7\u30eb\u3092\u518d\u8a55\u4fa1\u3057\u3001\u6539\u5584\u524d\u5f8c\u306e\u6df7\u540c\u884c\u5217\u3068\u03ba\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u54c1\u8cea\u7ba1\u7406\u3067\u306f\u3001\u5168\u4ef6\u3092\u4e00\u4eba\u3067\u518d\u78ba\u8a8d\u3059\u308b\u3088\u308a\u3001\u8a55\u4fa1\u8005\u9593\u3067\u91cd\u8907\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u3092\u8a08\u753b\u7684\u306b\u62bd\u51fa\u3057\u3001\u5b9a\u671f\u7684\u306b\u03ba\u3092\u76e3\u8996\u3059\u308b\u65b9\u6cd5\u304c\u73fe\u5b9f\u7684\u3067\u3059\u3002\u30ab\u30c6\u30b4\u30ea\u306e\u51fa\u73fe\u5272\u5408\u304c\u5909\u308f\u3063\u305f\u5834\u5408\u306f\u5024\u304c\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u6708\u3054\u3068\u306e\u03ba\u3060\u3051\u3067\u306a\u304f\u3001\u5171\u901a\u306e\u76e3\u67fb\u30bb\u30c3\u30c8\u3067\u8a55\u4fa1\u3057\u307e\u3059\u3002\u76e3\u67fb\u30bb\u30c3\u30c8\u3092\u9577\u671f\u9593\u56fa\u5b9a\u3059\u308b\u3068\u6163\u308c\u306b\u3088\u308b\u5f71\u97ff\u304c\u51fa\u308b\u305f\u3081\u3001\u66f4\u65b0\u65b9\u6cd5\u3082\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 id=\"kappa-summary\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u30ab\u30c3\u30d1\u4fc2\u6570\u307e\u3068\u3081\uff5c\u4e00\u81f4\u7387\u3068\u6df7\u540c\u884c\u5217\u3092\u5408\u308f\u305b\u3066\u5224\u65ad\u3059\u308b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30c3\u30d1\u4fc2\u6570\u306f\u3001\u89b3\u6e2c\u3055\u308c\u305f\u4e00\u81f4\u7387\u304b\u3089\u5076\u7136\u306e\u4e00\u81f4\u3092\u5dee\u3057\u5f15\u304d\u30012\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u5224\u5b9a\u306e\u4e00\u81f4\u5ea6\u3092\u6e2c\u308b\u6307\u6a19\u3067\u3059\u3002Cohen\u306e\u30ab\u30c3\u30d1\u306f2\u3064\u306e\u5224\u5b9a\u7cfb\u5217\u3001\u91cd\u307f\u4ed8\u304d\u30ab\u30c3\u30d1\u306f\u9806\u5e8f\u30ab\u30c6\u30b4\u30ea\u3001Fleiss\u306e\u30ab\u30c3\u30d1\u306f\u8907\u6570\u8a55\u4fa1\u8005\u3068\u3044\u3046\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u69cb\u9020\u306b\u5fdc\u3058\u3066\u65b9\u6cd5\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03ba\u306e\u6570\u5024\u3092\u5358\u72ec\u3067\u826f\u3057\u60aa\u3057\u3068\u305b\u305a\u3001\u5358\u7d14\u4e00\u81f4\u7387\u3001\u30af\u30e9\u30b9\u5206\u5e03\u3001\u6df7\u540c\u884c\u5217\u3001\u4fe1\u983c\u533a\u9593\u3001\u696d\u52d9\u4e0a\u306e\u8aa4\u308a\u30b3\u30b9\u30c8\u3092\u5408\u308f\u305b\u3066\u89e3\u91c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6a5f\u68b0\u5b66\u7fd2\u3067\u306f\u72ec\u7acb\u3057\u305f\u8a55\u4fa1\u30c7\u30fc\u30bf\u3092\u4f7f\u3044\u3001\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u30e9\u30d9\u30eb\u5b9a\u7fa9\u306e\u6539\u5584\u306b\u3064\u306a\u3052\u307e\u3059\u3002\u6307\u6a19\u306e\u7a2e\u985e\u3001\u91cd\u307f\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u6761\u4ef6\u3092\u660e\u8a18\u3059\u308b\u3053\u3068\u304c\u3001\u4ed6\u306e\u8a55\u4fa1\u7d50\u679c\u3068\u306e\u6bd4\u8f03\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u3088\u304f\u3042\u308b\u8cea\u554f\uff08FAQ\uff09<\/strong><\/h2>\n\n\n\n<h3 id=\"q-kappa-definition\" class=\"wp-block-heading\"><strong>Q. \u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\u30012\u3064\u306e\u30ab\u30c6\u30b4\u30ea\u5224\u5b9a\u306e\u4e00\u81f4\u5ea6\u3092\u3001\u30af\u30e9\u30b9\u5206\u5e03\u304b\u3089\u751f\u3058\u308b\u5076\u7136\u306e\u4e00\u81f4\u3092\u5dee\u3057\u5f15\u3044\u3066\u6e2c\u308b\u6307\u6a19\u3067\u3059\u3002\u5024\u306f\u4e00\u81f4\u7387\u3068\u306f\u7570\u306a\u308b\u5c3a\u5ea6\u3067\u89e3\u91c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-kappa-one\" class=\"wp-block-heading\"><strong>Q. \u30ab\u30c3\u30d1\u4fc2\u6570\u304c1\u30840\u306e\u5834\u5408\u306f\u3069\u3046\u3044\u3046\u610f\u5473\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\">1\u306f\u5b8c\u5168\u4e00\u81f4\u3092\u793a\u3057\u30010\u306f\u89b3\u6e2c\u3055\u308c\u305f\u4e00\u81f4\u304c\u671f\u5f85\u3055\u308c\u308b\u5076\u7136\u4e00\u81f4\u3068\u540c\u7a0b\u5ea6\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u8ca0\u306e\u5024\u306f\u5076\u7136\u3088\u308a\u4e00\u81f4\u304c\u5c11\u306a\u3044\u72b6\u614b\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-kappa-accuracy\" class=\"wp-block-heading\"><strong>Q. \u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u4e00\u81f4\u7387\uff08accuracy\uff09\u306f\u3069\u3061\u3089\u3092\u4f7f\u3046\u3079\u304d\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3061\u3089\u304b\u4e00\u65b9\u3067\u306f\u306a\u304f\u4f75\u8a18\u3059\u308b\u306e\u304c\u57fa\u672c\u3067\u3059\u3002\u4e00\u81f4\u7387\u306f\u76f4\u611f\u7684\u3067\u3059\u304c\u30af\u30e9\u30b9\u5272\u5408\u306e\u5f71\u97ff\u3092\u53d7\u3051\u3001\u30ab\u30c3\u30d1\u306f\u5076\u7136\u4e00\u81f4\u3092\u8003\u616e\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u03ba\u3082\u5206\u5e03\u306e\u5f71\u97ff\u3092\u53d7\u3051\u308b\u305f\u3081\u3001\u6df7\u540c\u884c\u5217\u3068\u30af\u30e9\u30b9\u5225\u6307\u6a19\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-kappa-weight\" class=\"wp-block-heading\"><strong>Q. \u9806\u5e8f\u306e\u3042\u308b\u8a55\u4fa1\u306b\u306f\u3069\u306e\u30ab\u30c3\u30d1\u3092\u4f7f\u3044\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u8efd\u5ea6\u30fb\u4e2d\u7b49\u5ea6\u30fb\u91cd\u5ea6\u306e\u3088\u3046\u306a\u9806\u5e8f\u30ab\u30c6\u30b4\u30ea\u3067\u306f\u3001\u96e2\u308c\u305f\u4e0d\u4e00\u81f4\u3092\u91cd\u304f\u6271\u3048\u308b\u91cd\u307f\u4ed8\u304d\u30ab\u30c3\u30d1\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002\u7dda\u5f62\u304b\u4e8c\u4e57\u304b\u306a\u3069\u3001\u91cd\u307f\u306e\u5b9a\u7fa9\u3092\u660e\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h3 id=\"q-kappa-low\" class=\"wp-block-heading\"><strong>Q. \u30ab\u30c3\u30d1\u4fc2\u6570\u304c\u4f4e\u3044\u3068\u304d\u306f\u4f55\u3092\u898b\u76f4\u3057\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\">\u6df7\u540c\u884c\u5217\u3067\u4e0d\u4e00\u81f4\u306e\u30ab\u30c6\u30b4\u30ea\u3092\u78ba\u8a8d\u3057\u3001\u30e9\u30d9\u30eb\u5b9a\u7fa9\u3001\u5883\u754c\u4e8b\u4f8b\u306e\u4f8b\u3001\u8a55\u4fa1\u8005\u3078\u306e\u624b\u9806\u8aac\u660e\u3001\u30af\u30e9\u30b9\u5206\u5e03\u3092\u898b\u76f4\u3057\u307e\u3059\u3002\u5c11\u6570\u30c7\u30fc\u30bf\u306a\u3089\u4fe1\u983c\u533a\u9593\u3082\u78ba\u8a8d\u3057\u3001\u5358\u4e00\u306e\u5024\u3067\u539f\u56e0\u3092\u6c7a\u3081\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<script 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id=\"references\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u53c2\u8003\u8cc7\u6599<\/strong><\/h2>\n\n\n<ul class=\"wp-block-list\"><li>scikit-learn\u300ccohen_kappa_score\u300d<br><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.metrics.cohen_kappa_score.html\" target=\"_blank\" rel=\"noopener\">https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.metrics.cohen_kappa_score.html<\/a><\/li><li>scikit-learn User Guide\u300cClassification metrics\u300d<br><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/model_evaluation.html#classification-metrics\" target=\"_blank\" rel=\"noopener\">https:\/\/scikit-learn.org\/stable\/modules\/model_evaluation.html#classification-metrics<\/a><\/li><li>IBM Documentation\u300cCohen&#8217;s kappa\u300d<br><a href=\"https:\/\/www.ibm.com\/docs\/en\/spss-statistics\/latest?topic=classification-cohens-kappa\" target=\"_blank\" rel=\"noopener\">https:\/\/www.ibm.com\/docs\/en\/spss-statistics\/latest?topic=classification-cohens-kappa<\/a><\/li><\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>\u30ab\u30c3\u30d1\u4fc2\u6570\u3068\u306f\u3001\u5206\u985e\u8005\u3084\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u5224\u5b9a\u304c\u3069\u306e\u7a0b\u5ea6\u4e00\u81f4\u3057\u3066\u3044\u308b\u304b\u3092\u3001\u5076\u7136\u306b\u4e00\u81f4\u3059\u308b\u5206\u3092\u5dee\u3057\u5f15\u3044\u3066\u6e2c\u308b\u6307\u6a19\u3067\u3059\u3002\u5358\u7d14\u306a\u4e00\u81f4\u7387\u306f\u3001\u3042\u308b\u30af\u30e9\u30b9\u304c\u5927\u591a\u6570\u3092\u5360\u3081\u308b\u30c7\u30fc\u30bf\u3067\u306f\u9ad8\u304f\u898b\u3048\u307e\u3059\u3002\u30ab\u30c3\u30d1\u4fc2\u6570\u306f\u3001\u89b3\u6e2c\u3055\u308c\u305f\u4e00\u81f4\u5ea6\u3068\u3001\u30af\u30e9\u30b9 [&hellip;]<\/p>\n","protected":false},"author":266270553,"featured_media":77,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[30723332],"tags":[],"class_list":["post-47110","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-system"],"jetpack_publicize_connections":[],"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pgydx5-cfQ","jetpack-related-posts":[{"id":47194,"url":"https:\/\/www.ripla.co.jp\/blog\/system\/lasso-regression\/","url_meta":{"origin":47110,"position":0},"title":"\u30e9\u30c3\u30bd\u56de\u5e30\u3068\u306f\uff1f\u4ed5\u7d44\u307f\u30fb\u6d3b\u7528\u65b9\u6cd5\u30fb\u6ce8\u610f\u70b9\u3092\u89e3\u8aac","author":"\u682a\u5f0f\u4f1a\u793eripla\u30e1\u30f3\u30d0\u30fc","date":"2026\u5e748\u670814\u65e5","format":false,"excerpt":"\u30e9\u30c3\u30bd\u56de\u5e30\u3068\u306f\u3001\u30e9\u30c3\u30bd\u56de\u5e30\u306f\u3001\u7dda\u5f62\u56de\u5e30\u306e\u640d\u5931\u306b\u4fc2\u6570\u306e\u7d76\u5bfe\u5024\u306e\u548c\uff08L1\u30da\u30ca\u30eb\u30c6\u30a3\uff09\u3092\u52a0\u3048\u308b\u6b63\u5247\u5316\u624b\u6cd5\u3067\u2026","rel":"","context":"\u30b7\u30b9\u30c6\u30e0\u958b\u767a","block_context":{"text":"\u30b7\u30b9\u30c6\u30e0\u958b\u767a","link":"https:\/\/www.ripla.co.jp\/blog\/category\/system\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/c0f57-97b86c_6631599a16854ff9a35cddba763c97cfmv2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/c0f57-97b86c_6631599a16854ff9a35cddba763c97cfmv2.jpg?resize=350%2C200&ssl=1 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