{"id":7777,"date":"2026-03-26T11:18:19","date_gmt":"2026-03-26T02:18:19","guid":{"rendered":"https:\/\/blog.since2020.jp\/?p=7777"},"modified":"2026-03-26T11:19:10","modified_gmt":"2026-03-26T02:19:10","slug":"dataiku-prediction-tab-explained-2","status":"publish","type":"post","link":"https:\/\/since2020.jp\/media\/dataiku-prediction-tab-explained-2\/","title":{"rendered":"Dataiku\u4e88\u6e2c\u7d50\u679c\u30bf\u30d6\u306e\u89e3\u8aac_2"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>Dataiku\u3092\u4f7f\u3048\u3070\u3001\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u305a\u306b\u30af\u30ea\u30c3\u30af\u3060\u3051\u3067\u6a5f\u68b0\u5b66\u7fd2\uff08ML\uff09\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3044\u3056\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3066\u3001\u3053\u3046\u601d\u3063\u305f\u3053\u3068\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<p>\u300c\u7d50\u679c\u753b\u9762\u306b\u306a\u3093\u304b\u3059\u3054\u3044\u30b0\u30e9\u30d5\u304c\u51fa\u305f\u3051\u3069\u3001\u3053\u308c\u3063\u3066\u7d50\u5c40\u3044\u3044\u306e\uff1f\u60aa\u3044\u306e\uff1f\u300d<\/p>\n<p>\u79c1\u81ea\u8eab\u3001AutoML\u3067\u30e2\u30c7\u30eb\u3092\u4f5c\u308b\u3068\u3053\u308d\u307e\u3067\u306f\u30b9\u30e0\u30fc\u30ba\u306b\u3044\u3051\u305f\u3082\u306e\u306e\u3001\u8868\u793a\u3055\u308c\u305f\u300cResults\u300d\u30bf\u30d6\u306e\u8a73\u7d30\u306a\u6570\u5024\u3092\u3069\u3046\u5224\u65ad\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u5206\u304b\u3089\u305a\u3001\u7acb\u3061\u6b62\u307e\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u3053\u3067\u4eca\u56de\u306f\u3001Dataiku\u306e\u5b66\u7fd2\u30b3\u30f3\u30c6\u30f3\u30c4\u300cMachine Learning Basics\u300d\u3092\u901a\u3057\u3066\u5b66\u3093\u3060\u3001\u7d50\u679c\u753b\u9762\u306e\u6b63\u3057\u3044\u898b\u65b9\u3068\u30e2\u30c7\u30eb\u7cbe\u5ea6\u306e\u5224\u65ad\u57fa\u6e96\u306b\u3064\u3044\u3066\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u3057\u307e\u3059\u3002\u540c\u3058\u3088\u3046\u306b\u300c\u753b\u9762\u306e\u898b\u65b9\u304c\u5206\u304b\u3089\u306a\u3044\u300d\u3068\u60a9\u3093\u3067\u3044\u308b\u65b9\u306e\u53c2\u8003\u306b\u306a\u308c\u3070\u5e78\u3044\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001\u6a5f\u68b0\u5b66\u7fd2\u306b\u306f\u5927\u304d\u304f\u300c\u5206\u985e\uff08Classification\uff09\u300d<strong>\u3068<\/strong>\u300c\u56de\u5e30\uff08Regression\uff09\u300d<strong>\u3068\u3044\u30462\u7a2e\u985e\u306e\u30bf\u30b9\u30af\u304c\u3042\u308a\u3001Dataiku\u306e\u7d50\u679c\u753b\u9762\u306b\u8868\u793a\u3055\u308c\u308b\u9805\u76ee\u306f\u30bf\u30b9\u30af\u306e\u7a2e\u985e\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u6271\u3046\u300c\u518d\u5165\u9662\u4e88\u6e2c\u300d\u306f<\/strong>2\u5024\u5206\u985e\u30e2\u30c7\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u3053\u306e\u8a18\u4e8b\u3067\u306f\u5206\u985e\u30e2\u30c7\u30eb\u56fa\u6709\u306e\u8a55\u4fa1\u753b\u9762\u3092\u4e2d\u5fc3\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001<strong>PERFORMANCE\u30bf\u30d6\u3068MODEL INFORMATION\u30bf\u30d6<\/strong>\u306b\u542b\u307e\u308c\u308b\u4ee5\u4e0b\u306e6\u3064\u306e\u753b\u9762\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Confusion Matrix\uff08\u6df7\u540c\u884c\u5217\uff09<\/strong>\u00a0\u2015 \u4e88\u6e2c\u306e\u6b63\u89e3\u30fb\u4e0d\u6b63\u89e3\u30924\u3064\u306b\u5206\u985e\u3057\u3066\u78ba\u8a8d\u3059\u308b<\/li>\n<li><strong>Decision chart\uff08\u6c7a\u5b9a\u30c1\u30e3\u30fc\u30c8\uff09<\/strong>\u00a0\u2015 \u3057\u304d\u3044\u5024\u3092\u5909\u3048\u305f\u3068\u304d\u306e\u5404\u6307\u6a19\u306e\u5909\u5316\u3068\u3001\u30d3\u30b8\u30cd\u30b9\u640d\u76ca\u3092\u53ef\u8996\u5316\u3059\u308b<\/li>\n<li><strong>Lift chart\uff08\u30ea\u30d5\u30c8\u30c1\u30e3\u30fc\u30c8\uff09<\/strong>\u00a0\u2015 \u30e2\u30c7\u30eb\u3092\u4f7f\u3063\u305f\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306e\u52b9\u679c\u3092\u6e2c\u308b<\/li>\n<li><strong>Density chart\uff08\u5bc6\u5ea6\u30c1\u30e3\u30fc\u30c8\uff09<\/strong>\u00a0\u2015 \u30e2\u30c7\u30eb\u304c2\u3064\u306e\u30af\u30e9\u30b9\u3092\u3069\u308c\u3060\u3051\u5206\u96e2\u3067\u304d\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li><strong>Features\uff08\u7279\u5fb4\u91cf\uff09<\/strong>\u00a0\u2015 \u3069\u306e\u5909\u6570\u304c\u63a1\u7528\u30fb\u9664\u5916\u3055\u308c\u305f\u304b\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<li><strong>Algorithm\uff08\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff09<\/strong>\u00a0\u2015 \u30e2\u30c7\u30eb\u306e\u5b66\u7fd2\u8a2d\u5b9a\u3068\u4f7f\u7528\u30c7\u30fc\u30bf\u306e\u7d71\u8a08\u3092\u78ba\u8a8d\u3059\u308b<\/li>\n<\/ul>\n<h2>Confusion matrix<\/h2>\n<p>\u6df7\u540c\u884c\u5217\uff08Confusion Matrix\uff09\u3068\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5909\u6570\u306e\u5b9f\u6e2c\u5024\u3068\u4e88\u6e2c\u5024\u3092\u5bfe\u6bd4\u3055\u305b\u305f\u8868\u3067\u3059\u3002Dataiku\u3067\u306f\u3001\u3053\u306e\u8868\u306b\u52a0\u3048\u3066\u3001\u9069\u5408\u7387\uff08Precision\uff09\u30fb\u518d\u73fe\u7387\uff08Recall\uff09\u30fbF1\u30b9\u30b3\u30a2\u306a\u3069\u306e\u95a2\u9023\u6307\u6a19\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image.webp\" alt=\"\" width=\"1424\" height=\"826\" class=\"alignnone size-full wp-image-7778\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image.webp 1424w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-300x174.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-1024x594.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-768x445.webp 768w\" sizes=\"(max-width: 1424px) 100vw, 1424px\" \/><\/p>\n<ol>\n<li>\u8868\uff08Matrix\uff09\u306e\u8aad\u307f\u65b9\uff1a4\u3064\u306e\u6570\u5b57\u306e\u610f\u5473<\/li>\n<\/ol>\n<p>\u753b\u9762\u4e2d\u592e\u306e\u8868\u306f\u3001\u300c\u5b9f\u969b\u306e\u6b63\u89e3\uff08\u7e26\u8ef8\uff09\u300d\u3068\u300c\u30e2\u30c7\u30eb\u306e\u4e88\u6e2c\uff08\u6a2a\u8ef8\uff09\u300d\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>Actually 1 (\u5b9f\u969b\u306f\u518d\u5165\u9662\u3042\u308a)<\/strong><\/p>\n<ul>\n<li><strong>Predicted 1\uff08\u7dd1\u306e\u6570\u5b57\uff1a8,261\uff09\u2015 \u6b63\u89e3\uff08True Positive\uff09<\/strong>\n<ul>\n<li>\u300c\u518d\u5165\u9662\u3059\u308b\u300d\u3068\u4e88\u6e2c\u3057\u3001\u5b9f\u969b\u306b\u518d\u5165\u9662\u3057\u305f\u4ef6\u6570\u3067\u3059\u3002\u3053\u306e\u6570\u304c\u591a\u3044\u307b\u3069\u3001\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u304c\u9ad8\u3044\u3068\u3044\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Predicted 0\uff08\u8d64\u306e\u6570\u5b57\uff1a1,088\uff09\u2015 \u898b\u9003\u3057\uff08False Negative\uff09<\/strong>\n<ul>\n<li>\u300c\u518d\u5165\u9662\u3057\u306a\u3044\u300d\u3068\u4e88\u6e2c\u3057\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u5b9f\u969b\u306b\u306f\u518d\u5165\u9662\u3057\u3066\u3057\u307e\u3063\u305f\u4ef6\u6570\u3067\u3059\u3002\u533b\u7642\u306e\u73fe\u5834\u3067\u306f\u3001\u3053\u306e\u30df\u30b9\u304c\u6700\u3082\u6df1\u523b\u306a\u5f71\u97ff\u3092\u3082\u305f\u3089\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>Actually 0 (\u5b9f\u969b\u306f\u518d\u5165\u9662\u306a\u3057)<\/strong><\/p>\n<ul>\n<li><strong>Predicted 1\uff08\u8d64\u306e\u6570\u5b57\uff1a7,200\uff09\u2015 \u8aa4\u691c\u77e5\u30fb\u7a7a\u632f\u308a\uff08False Positive\uff09<\/strong>\n<ul>\n<li>\u300c\u518d\u5165\u9662\u3059\u308b\u300d\u3068\u4e88\u6e2c\u3057\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u5b9f\u969b\u306b\u306f\u4f55\u3082\u8d77\u304d\u306a\u304b\u3063\u305f\u4ef6\u6570\u3067\u3059\u3002\u3053\u306e\u6570\u304c\u591a\u3044\u3068\u3001\u4e0d\u8981\u306a\u691c\u67fb\u3084\u9023\u7d61\u304c\u5897\u3048\u3001\u73fe\u5834\u306e\u8ca0\u62c5\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Predicted 0\uff08\u7dd1\u306e\u6570\u5b57\uff1a3,539\uff09\u2015 \u6b63\u89e3\uff08True Negative\uff09<\/strong>\n<ul>\n<li>\u300c\u518d\u5165\u9662\u3057\u306a\u3044\u300d\u3068\u4e88\u6e2c\u3057\u3001\u5b9f\u969b\u306b\u518d\u5165\u9662\u3057\u306a\u304b\u3063\u305f\u4ef6\u6570\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u307e\u3068\u3081\uff1a<\/strong>\u00a0\u898b\u9003\u3057\uff081,088\u4ef6\uff09\u306f\u304b\u306a\u308a\u6291\u3048\u3089\u308c\u3066\u3044\u308b\u4e00\u65b9\u3067\u3001\u7a7a\u632f\u308a\uff087,200\u4ef6\uff09\u304c\u975e\u5e38\u306b\u591a\u3044\u72b6\u614b\u3067\u3059\u3002\u5168\u4f53\u3068\u3057\u3066\u300c\u5ff5\u306e\u305f\u3081\u5371\u967a\u3068\u5224\u5b9a\u3057\u3066\u304a\u304f\u300d\u50be\u5411\u304c\u5f37\u3044\u30e2\u30c7\u30eb\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<hr \/>\n<ol>\n<li>\u68d2\u30b0\u30e9\u30d5\uff08Metrics\uff09\u306e\u8aad\u307f\u65b9<\/li>\n<\/ol>\n<p>\u8868\u306e\u4e0b\u306b\u3042\u308b\u68d2\u30b0\u30e9\u30d5\u306f\u3001\u4e0a\u8a18\u306e\u6570\u5b57\u3092\u3082\u3068\u306b\u7b97\u51fa\u3057\u305f\u5404\u8a55\u4fa1\u6307\u6a19\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>Accuracy (\u6b63\u89e3\u7387): 59%<\/strong><\/p>\n<ul>\n<li>\u5168\u4e88\u6e2c\u306e\u3046\u3061\u3001\u6b63\u3057\u304f\u5224\u5b9a\u3067\u304d\u305f\u5272\u5408\u3067\u3059\u3002\u4eca\u56de\u306f\u7a7a\u632f\u308a\u304c\u591a\u3044\u305f\u3081\u300159%\u3068\u3084\u3084\u4f4e\u3044\u7d50\u679c\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>Precision (\u9069\u5408\u7387): 53%<\/strong><\/p>\n<ul>\n<li>\u300c\u518d\u5165\u9662\u3059\u308b\u300d\u3068\u4e88\u6e2c\u3057\u305f\u4e2d\u3067\u3001\u5b9f\u969b\u306b\u305d\u3046\u3060\u3063\u305f\u5272\u5408\u3067\u3059\u3002\u3053\u306e\u5024\u304c\u4f4e\u3044\u3068\u3001\u8b66\u5831\u306e\u534a\u6570\u304c\u5916\u308c\u308b\u72b6\u614b\u306b\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>Recall (\u518d\u73fe\u7387): 88%<\/strong>\u00a0\u2605\u91cd\u8981<\/p>\n<ul>\n<li>\u5b9f\u969b\u306b\u518d\u5165\u9662\u3057\u305f\u60a3\u8005\u306e\u3046\u3061\u3001\u4f55\u5272\u3092\u30e2\u30c7\u30eb\u304c\u691c\u51fa\u3067\u304d\u305f\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u3053\u306e\u5024\u306e\u9ad8\u3055\u3067\u3059\u3002\u898b\u9003\u3057\u3092\u6975\u529b\u6e1b\u3089\u3057\u305f\u3044\u533b\u7642\u73fe\u5834\u3067\u306f\u3001\u518d\u73fe\u7387\u3092\u6700\u512a\u5148\u306b\u8a55\u4fa1\u3059\u308b\u3053\u3068\u304c\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>F1-Score: 67%<\/strong><\/p>\n<ul>\n<li>\u9069\u5408\u7387\u3068\u518d\u73fe\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u7dcf\u5408\u7684\u306b\u793a\u3059\u6307\u6a19\u3067\u3059\u3002<\/li>\n<\/ul>\n<hr \/>\n<ol>\n<li>\u4e0a\u90e8\u306e\u30b9\u30e9\u30a4\u30c0\u30fc\uff08Threshold\uff09\u306b\u3064\u3044\u3066<\/li>\n<\/ol>\n<p>\u53f3\u4e0a\u306e\u00a0<code>Threshold (cut-off) 0.375<\/code>\u00a0\u3068\u3044\u3046\u30b9\u30e9\u30a4\u30c0\u30fc\u306f\u91cd\u8981\u306a\u8a2d\u5b9a\u9805\u76ee\u3067\u3059\u3002<\/p>\n<p>\u30e2\u30c7\u30eb\u306f\u300c\u3053\u306e\u60a3\u8005\u304c\u518d\u5165\u9662\u3059\u308b\u78ba\u7387\u306f40%\u300d\u3068\u3044\u3063\u305f\u5f62\u3067\u78ba\u7387\u5024\u3092\u51fa\u529b\u3057\u307e\u3059\u304c\u3001\u305d\u306e\u78ba\u7387\u3092\u3069\u3053\u304b\u3089\u300c1\uff08\u518d\u5165\u9662\u3042\u308a\uff09\u300d\u3068\u5224\u5b9a\u3059\u308b\u304b\u3092\u6c7a\u3081\u308b\u5883\u754c\u5024\u3001\u3059\u306a\u308f\u3061\u3057\u304d\u3044\u5024\uff08\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\uff09\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n<p>\u73fe\u5728\u306f\u00a0<strong>0.375\uff0837.5%\uff09\u4ee5\u4e0a<\/strong>\u00a0\u3067\u3042\u308c\u3070\u300c\u5371\u967a\uff081\uff09\u300d\u3068\u5224\u5b9a\u3059\u308b\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30b9\u30e9\u30a4\u30c0\u30fc\u3092\u53f3\uff081\u5074\uff09\u306b\u52d5\u304b\u3059\u3068\uff1a<\/strong>\u00a0\u5224\u5b9a\u57fa\u6e96\u304c\u53b3\u3057\u304f\u306a\u308a\u3001\u7a7a\u632f\u308a\uff08False Positive\uff09\u306f\u6e1b\u308a\u307e\u3059\u304c\u3001\u898b\u9003\u3057\uff08False Negative\uff09\u304c\u5897\u3048\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30e9\u30a4\u30c0\u30fc\u3092\u5de6\uff080\u5074\uff09\u306b\u52d5\u304b\u3059\u3068\uff1a<\/strong>\u00a0\u5224\u5b9a\u57fa\u6e96\u304c\u7de9\u304f\u306a\u308a\u3001\u898b\u9003\u3057\u306f\u6e1b\u308a\u307e\u3059\u304c\u3001\u7a7a\u632f\u308a\u304c\u3055\u3089\u306b\u5897\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<hr \/>\n<p><strong>\u3053\u306e\u7d50\u679c\u3092\u3069\u3046\u8a55\u4fa1\u3059\u308b\u304b<\/strong><\/p>\n<p>\u73fe\u5728\u306e\u30e2\u30c7\u30eb\u306f\u3001\u300c\u7a7a\u632f\u308a\u304c\u591a\u5c11\u5897\u3048\u3066\u3082\u3001\u3068\u306b\u304b\u304f\u898b\u9003\u3057\u3092\u6e1b\u3089\u3059\u3053\u3068\uff08Recall\u91cd\u8996\uff09\u300d\u3092\u512a\u5148\u3057\u305f\u8a2d\u5b9a\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u3057\u304d\u3044\u5024\u304c\u4f4e\u3081\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u4e3b\u306a\u8981\u56e0\u3067\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001Dataiku\u3067\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u6700\u9069\u306a\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\u306b\u304a\u3051\u308b\u6df7\u540c\u884c\u5217\u3068\u95a2\u9023\u6307\u6a19\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\u3092\u624b\u52d5\u3067\u5909\u66f4\u3057\u305f\u5834\u5408\u306f\u3001\u305d\u306e\u5909\u66f4\u304c\u6df7\u540c\u884c\u5217\u3068\u5404\u6307\u6a19\u306e\u4e21\u65b9\u306b\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>Decision chart<\/h2>\n<p>\u300c<strong>Decision chart\uff08\u6c7a\u5b9a\u30c1\u30e3\u30fc\u30c8\uff09<\/strong>\u300d\u30bf\u30d6\u306b\u306f\u3001\u8003\u3048\u3089\u308c\u308b\u3059\u3079\u3066\u306e\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\u306b\u5bfe\u3059\u308b\u30e2\u30c7\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6307\u6a19\u304c\u30b0\u30e9\u30d5\u5f62\u5f0f\u3067\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3053\u308c\u306f\u3001\u300c\u3057\u304d\u3044\u5024\uff08\u30b9\u30e9\u30a4\u30c0\u30fc\uff09\u3092\u52d5\u304b\u3057\u305f\u3068\u304d\u306b\u5404\u6307\u6a19\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3059\u308b\u304b\u3092\u3001\u4e00\u89a7\u3067\u307e\u3068\u3081\u3066\u78ba\u8a8d\u3067\u304d\u308b\u30b0\u30e9\u30d5\u300d\u3067\u3059\u3002<\/p>\n<p>\u5148\u307b\u3069\u6df7\u540c\u884c\u5217\uff08Confusion Matrix\uff09\u306e\u8aac\u660e\u3067\u300c\u30b9\u30e9\u30a4\u30c0\u30fc\u3092\u52d5\u304b\u3059\u3068\u6570\u5024\u304c\u5909\u308f\u308b\u300d\u3068\u304a\u4f1d\u3048\u3057\u307e\u3057\u305f\u304c\u3001\u5b9f\u969b\u306b\u30b9\u30e9\u30a4\u30c0\u30fc\u3092\u52d5\u304b\u3057\u306a\u304c\u3089\u4e00\u3064\u3072\u3068\u3064\u78ba\u8a8d\u3059\u308b\u306e\u306f\u624b\u9593\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u3053\u306e\u30b0\u30e9\u30d5\u3067\u306f\u3001\u6a2a\u8ef8\u306b\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\uff080\u301c100%\uff09\u3092\u3068\u308a\u3001\u305d\u308c\u305e\u308c\u306e\u4f4d\u7f6e\u306b\u304a\u3051\u308b\u5404\u6307\u6a19\u306e\u30b9\u30b3\u30a2\u3092\u7dda\u30b0\u30e9\u30d5\u3067\u4e00\u5ea6\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002 \u4ee5\u4e0b\u3067\u306f\u3001\u5404\u7dda\u306e\u610f\u5473\u3068\u3001\u3053\u306e\u753b\u9762\u306e\u6700\u5927\u306e\u7279\u5fb4\u3067\u3042\u308b\u300c\u640d\u76ca\u8a08\u7b97\uff08Cost matrix\uff09\u300d\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2.webp\" alt=\"\" width=\"2048\" height=\"1181\" class=\"alignnone size-full wp-image-7779\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2.webp 2048w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2-300x173.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2-1024x591.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2-768x443.webp 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-2-1536x886.webp 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<ol>\n<li>\u30b0\u30e9\u30d5\u306e\u7dda\u306e\u898b\u65b9\uff08\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u53ef\u8996\u5316\uff09<\/li>\n<\/ol>\n<p><strong>\u6a2a\u8ef8\uff08Cut-off\uff09\uff1a<\/strong>\u00a0\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\uff08\u3057\u304d\u3044\u5024\uff09\u3092\u793a\u3057\u307e\u3059\u3002\u5de6\u7aef\u304c0%\uff08\u3059\u3079\u3066\u3092\u967d\u6027\u3068\u5224\u5b9a\uff09\u3001\u53f3\u7aef\u304c100%\uff08\u975e\u5e38\u306b\u53b3\u683c\u306a\u5224\u5b9a\uff09\u3067\u3059\u3002<\/p>\n<p><strong>\u7e26\u8ef8 (Scores):<\/strong>\u00a0\u5404\u6307\u6a19\u306e\u30b9\u30b3\u30a2\uff080.0\u301c1.0\uff09\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>\u5404\u8272\u306e\u7dda\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u63a8\u79fb\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u30aa\u30ec\u30f3\u30b8\u8272\uff1aRecall\uff08\u518d\u73fe\u7387\uff0f\u898b\u9003\u3057\u3092\u6e1b\u3089\u3059\u529b\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u63a8\u79fb\uff1a<\/strong>\u00a0\u53f3\u80a9\u4e0b\u304c\u308a \u2198<\/li>\n<li><strong>\u610f\u5473\uff1a<\/strong>\u00a0\u3057\u304d\u3044\u5024\u3092\u53b3\u3057\u304f\u3059\u308b\u307b\u3069\u967d\u6027\u3068\u5224\u5b9a\u3055\u308c\u308b\u4ef6\u6570\u304c\u6e1b\u308b\u305f\u3081\u3001\u898b\u9003\u3057\u304c\u5897\u3048\u3001\u518d\u73fe\u7387\u306f\u4f4e\u4e0b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>\u9752\u8272\uff1aPrecision\uff08\u9069\u5408\u7387\uff0f\u7a7a\u632f\u308a\u3092\u9632\u3050\u529b\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u63a8\u79fb\uff1a<\/strong>\u00a0\u53f3\u80a9\u4e0a\u304c\u308a \u2197<\/li>\n<li><strong>\u610f\u5473\uff1a<\/strong>\u00a0\u3057\u304d\u3044\u5024\u3092\u53b3\u3057\u304f\u3059\u308b\u307b\u3069\u3001\u3088\u308a\u78ba\u5b9f\u306a\u5834\u5408\u306e\u307f\u967d\u6027\u3068\u5224\u5b9a\u3055\u308c\u308b\u305f\u3081\u3001\u9069\u5408\u7387\u306f\u4e0a\u6607\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>\u7dd1\u8272\uff1aF1 Score\uff08\u30d0\u30e9\u30f3\u30b9\u6307\u6a19\uff09<\/strong><\/p>\n<ul>\n<li><strong>\u63a8\u79fb\uff1a<\/strong>\u00a0\u5c71\u306a\u308a<\/li>\n<li><strong>\u610f\u5473\uff1a<\/strong>\u00a0\u518d\u73fe\u7387\u3068\u9069\u5408\u7387\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u6700\u3082\u3088\u3044\u5730\u70b9\u3067\u9802\u70b9\u3092\u8fce\u3048\u307e\u3059\u3002<\/li>\n<li>\u203b\u73fe\u5728\u306e\u70b9\u7dda\uff080.38\u4ed8\u8fd1\uff09\u306f\u3001\u3053\u306e\u7dd1\u306e\u7dda\u304c\u6700\u3082\u9ad8\u304f\u306a\u308b\u4f4d\u7f6e\u306b\u5f15\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<ol>\n<li>\u8d64\u3044\u7dda\u3068\u4e0b\u306e\u8868\uff1aCost Matrix\uff08\u640d\u76ca\u5206\u5c90\u70b9\uff09<\/li>\n<\/ol>\n<p>\u3053\u308c\u304c\u3053\u306e\u753b\u9762\u306e<strong>\u6700\u5927\u306e\u7279\u5fb4<\/strong>\u3067\u3059\u3002\u5358\u306a\u308b\u6b63\u89e3\u7387\u3067\u306f\u306a\u304f\u3001\u300c**\u30d3\u30b8\u30cd\u30b9\u7684\u306b\u3069\u308c\u3060\u3051\u306e\u5229\u76ca\uff08\u307e\u305f\u306f\u640d\u5931\uff09\u304c\u751f\u3058\u308b\u304b\u300d**\u3092\u6570\u5024\u5316\u3057\u3066\u30b0\u30e9\u30d5\u306b\u8868\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><strong>\u4e0b\u306e\u8868\uff08Cost matrix\uff09\u306e\u8a2d\u5b9a\u5185\u5bb9<\/strong><\/p>\n<p>\u753b\u9762\u4e0b\u534a\u5206\u3067\u306f\u3001\u5404\u4e88\u6e2c\u7d50\u679c\u306b\u5bfe\u3057\u3066\u300c\u91d1\u92ad\u7684\u306a\u4fa1\u5024\u300d\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>If model predicts 1 and value is 1\uff08\u6b63\u89e3\u30fb\u30d2\u30c3\u30c8\uff09\uff1a<\/strong>\u00a0<code>Gain is 1<\/code>\u00a0\u518d\u5165\u9662\u3092\u6b63\u3057\u304f\u4e88\u6e2c\u3067\u304d\u305f\u5834\u5408\u3001<strong>\uff0b1\u70b9<\/strong>\uff08\u4f8b\uff1a1\u4e07\u5186\u306e\u5229\u76ca\uff09\u3068\u3057\u307e\u3059\u3002<\/li>\n<li><strong>but value is 0\uff08\u7a7a\u632f\u308a\u30fb\u8aa4\u691c\u77e5\uff09\uff1a<\/strong>\u00a0<code>Gain is -0.3<\/code>\u00a0\u8aa4\u3063\u3066\u30a2\u30e9\u30fc\u30c8\u3092\u767a\u5831\u3057\u3066\u3057\u307e\u3063\u305f\u5834\u5408\u3001<strong>\uff0d0.3\u70b9<\/strong>\uff08\u4f8b\uff1a3\u5343\u5186\u306e\u30b3\u30b9\u30c8\uff09\u3068\u3057\u307e\u3059\u3002 \u203b\u306a\u304a\u3001\u300c\u898b\u9003\u3057\uff08Predict 0, value 1\uff09\u300d\u3068\u300c\u6b63\u89e3\uff08Predict 0, value 0\uff09\u300d\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u306f\u3044\u305a\u308c\u30820\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>\u8d64\u3044\u7dda\uff08Cost-matrix gain\uff09<\/strong><\/p>\n<p>\u3053\u306e\u8a2d\u5b9a\u306b\u57fa\u3065\u304d\u3001<strong>\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\u3054\u3068\u306e\u30c8\u30fc\u30bf\u30eb\u5229\u76ca\u3092\u63cf\u3044\u305f\u306e\u304c\u8d64\u3044\u7dda<\/strong>\u3067\u3059\uff08\u76ee\u76db\u308a\u306f\u53f3\u5074\u306e\u8ef8\u00a0<code>Gain<\/code>\u00a0\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\uff09\u3002<\/p>\n<p>\u3053\u306e\u30b0\u30e9\u30d5\u304b\u3089\u308f\u304b\u308b\u3053\u3068\uff1a<\/p>\n<ul>\n<li>\u8d64\u3044\u7dda\u3082\u3001\u73fe\u5728\u306e\u70b9\u7dda\uff080.38\u4ed8\u8fd1\uff09\u3067\u307b\u307c\u30d4\u30fc\u30af\u3092\u8fce\u3048\u3066\u3044\u307e\u3059\u3002<\/li>\n<li>\u3064\u307e\u308a\u3001<strong>\u300cF1\u30b9\u30b3\u30a2\uff08\u7d71\u8a08\u7684\u306a\u6700\u9069\u89e3\uff09\u300d\u3068\u300cCost matrix gain\uff08\u30d3\u30b8\u30cd\u30b9\u7684\u306a\u6700\u9069\u89e3\uff09\u300d\u304c\u4e00\u81f4<\/strong>\u3057\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u30d0\u30e9\u30f3\u30b9\u306e\u3088\u3044\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\u304c\u9078\u3070\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<ol>\n<li><strong>\u5b9f\u52d9\u3067\u306e\u6d3b\u7528\u65b9\u6cd5<\/strong><\/li>\n<\/ol>\n<p>\u30d3\u30b8\u30cd\u30b9\u306e\u73fe\u5834\u3067\u306f\u3001F1\u30b9\u30b3\u30a2\uff08\u7dd1\uff09\u306e\u30d4\u30fc\u30af\u3068\u5229\u76ca\uff08\u8d64\uff09\u306e\u30d4\u30fc\u30af\u304c<strong>\u4e00\u81f4\u3057\u306a\u3044<\/strong>\u30b1\u30fc\u30b9\u3082\u591a\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><strong>\u4f8b\uff1a<\/strong>\u00a0\u300c\u7a7a\u632f\u308a\u306e\u30b3\u30b9\u30c8\uff08\uff0d0.3\uff09\u300d\u3092\u3088\u308a\u9ad8\u3044\u300c\uff0d2.0\u300d\u306a\u3069\u306b\u8a2d\u5b9a\u3057\u305f\u5834\u5408\u3001\u8d64\u3044\u7dda\u306e\u30d4\u30fc\u30af\u306f\u3088\u308a\u53f3\u5074\uff08\u614e\u91cd\u306a\u5224\u5b9a\uff09\u306b\u79fb\u52d5\u3057\u307e\u3059\u3002<\/p>\n<p><strong>\u6d3b\u7528\u624b\u9806\uff1a<\/strong><\/p>\n<ol>\n<li>\u4e0b\u306e\u8868\u306b\u3001\u5b9f\u969b\u306e\u30d3\u30b8\u30cd\u30b9\u30b3\u30b9\u30c8\uff08\u4f8b\uff1a\u5bfe\u5fdc\u30b3\u30b9\u30c8500\u5186\u3001\u898b\u9003\u3057\u640d\u593110,000\u5186\u306a\u3069\uff09\u3092\u5165\u529b\u3059\u308b\u3002<\/li>\n<li>\u300c\u8d64\u3044\u7dda\u304c\u6700\u3082\u9ad8\u304f\u306a\u3063\u3066\u3044\u308b\u5730\u70b9\uff08\u30d4\u30fc\u30af\uff09\u300d\u3092\u63a2\u3059\u3002<\/li>\n<li>\u305d\u306e\u3068\u304d\u306e\u6a2a\u8ef8\u306e\u5024\uff08\u30ab\u30c3\u30c8\u30aa\u30d5\u5024\uff09\u3092\u78ba\u8a8d\u3057\u3001\u672c\u756a\u904b\u7528\u306e\u3057\u304d\u3044\u5024\u3068\u3057\u3066\u63a1\u7528\u3059\u308b\u3002<\/li>\n<\/ol>\n<p>\u3053\u306e\u753b\u9762\u306f\u3001\u300c\u6570\u5b66\u7684\u306b\u6b63\u3057\u3044\u30e2\u30c7\u30eb\u300d\u3067\u306f\u306a\u304f\u3001\u300c\u6700\u3082\u5229\u76ca\u3092\u6700\u5927\u5316\u3067\u304d\u308b\uff08\u307e\u305f\u306f\u640d\u5931\u3092\u6700\u5c0f\u5316\u3067\u304d\u308b\uff09\u904b\u7528\u30eb\u30fc\u30eb\u3092\u6c7a\u3081\u308b\u305f\u3081\u306e\u753b\u9762\u300d\u3068\u6349\u3048\u308b\u3068\u3088\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n<h2>Lift charts<\/h2>\n<p>Lift chart\uff08\u30ea\u30d5\u30c8\u30c1\u30e3\u30fc\u30c8\uff09\u3084ROC\u66f2\u7dda\u306f\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u306e\u6027\u80fd\u3092\u8a55\u4fa1\u3059\u308b\u305f\u3081\u306e\u8996\u899a\u7684\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u30b0\u30e9\u30d5\u306e\u8d77\u70b9\u306b\u304a\u3051\u308b\u66f2\u7dda\u306e\u7acb\u3061\u4e0a\u304c\u308a\u304c\u6025\u306a\u307b\u3069\u3001\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u304c\u9ad8\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3.webp\" alt=\"\" width=\"2048\" height=\"1176\" class=\"alignnone size-full wp-image-7780\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3.webp 2048w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3-300x172.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3-1024x588.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3-768x441.webp 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-3-1536x882.webp 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<ol>\n<li>\u4e0a\u306e\u30b0\u30e9\u30d5\uff1aCumulative Gain\uff08\u7d2f\u7a4d\u30b2\u30a4\u30f3\u30c1\u30e3\u30fc\u30c8\uff09<\/li>\n<\/ol>\n<p><strong>\u300c\u30ea\u30b9\u30c8\u306e\u4e0a\u4f4d\u304b\u3089\u30a2\u30d7\u30ed\u30fc\u30c1\u3057\u3066\u3044\u3063\u305f\u6642\u3001\u6b63\u89e3\u3092\u3069\u308c\u3060\u3051\u65e9\u304f\u56de\u53ce\u3067\u304d\u308b\u304b\uff1f\u300d<\/strong>\u00a0\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u6a2a\u8ef8:<\/strong>\u00a0\u4e88\u6e2c\u30b9\u30b3\u30a2\u304c\u9ad8\u3044\u9806\u306b\u4e26\u3079\u305f\u30c7\u30fc\u30bf\u306e\u4eba\u6570\u306e\u5272\u5408\uff08\u4e0a\u4f4d0% \u2192 100%\uff09\u3002<\/li>\n<li><strong>\u7e26\u8ef8:<\/strong>\u00a0\u5168\u4f53\u306e\u6b63\u89e3\u8005\uff08\u518d\u5165\u9662\u3059\u308b\u4eba\uff09\u306e\u3046\u3061\u3001\u4f55\uff05\u3092\u691c\u51fa\u3067\u304d\u305f\u304b\u3002<\/li>\n<\/ul>\n<p><strong>3\u672c\u306e\u7dda\u306e\u610f\u5473\uff1a<\/strong><\/p>\n<ul>\n<li><strong>\u30aa\u30ec\u30f3\u30b8\u8272\uff08Wizard \/ Perfect\uff09\uff1a<\/strong>\u00a0\u5b8c\u5168\u306b\u7406\u60f3\u7684\u306a\u30e2\u30c7\u30eb\u3002\u4e88\u77e5\u80fd\u529b\u304c\u3042\u3063\u305f\u5834\u5408\u306e\u7406\u8ad6\u4e0a\u306e\u4e0a\u9650\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u7dd1\u306e\u70b9\u7dda\uff08Random\uff09\uff1a<\/strong>\u00a0\u30e9\u30f3\u30c0\u30e0\u306b\u9078\u3093\u3060\u5834\u5408\u306e\u57fa\u6e96\u7dda\u3002\u30e2\u30c7\u30eb\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306e\u7d50\u679c\u306b\u76f8\u5f53\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u9752\u3044\u7dda\uff08Cumulative Gain\uff09\uff1a<\/strong>\u00a0\u4eca\u56de\u306e\u30e2\u30c7\u30eb\u306e\u5b9f\u969b\u306e\u6027\u80fd\u3002\u7dd1\u306e\u70b9\u7dda\u3088\u308a\u4e0a\u306b\u5927\u304d\u304f\u81a8\u3089\u3093\u3067\u3044\u308b\u307b\u3069\u3001\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u304c\u9ad8\u3044\u3068\u3044\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>\u753b\u50cf\u306e\u6570\u5024\u300cLift at 40% is 1.3609\u300d\u306e\u610f\u5473\uff1a<\/strong><\/p>\n<p>\u4e88\u6e2c\u30b9\u30b3\u30a2\u306e\u9ad8\u3044\u4e0a\u4f4d40%\u306b\u306e\u307f\u30a2\u30d7\u30ed\u30fc\u30c1\u3057\u305f\u5834\u5408\u3001\u30e9\u30f3\u30c0\u30e0\u306b40%\u3092\u9078\u3093\u3060\u5834\u5408\u3068\u6bd4\u3079\u3066\u30011.36\u500d\u52b9\u7387\u3088\u304f\u6b63\u89e3\u8005\uff08\u518d\u5165\u9662\u60a3\u8005\uff09\u3092\u898b\u3064\u3051\u51fa\u305b\u3066\u3044\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\u4e0b\u306e\u30b0\u30e9\u30d5\uff1aPer-bin lift chart\uff08\u30c7\u30b7\u30eb\u5206\u6790\uff09<\/li>\n<\/ol>\n<p>\u30c7\u30fc\u30bf\u3092\u4e88\u6e2c\u30b9\u30b3\u30a2\u306e\u9ad8\u3044\u9806\u306b10\u7b49\u5206\uff08\u540410%\u306e\u30b0\u30eb\u30fc\u30d7\uff09\u3057\u3001\u30b0\u30eb\u30fc\u30d7\u3054\u3068\u306e\u300c\u518d\u5165\u9662\u4e88\u6e2c\u306e\u6fc3\u5ea6\u300d\u3092\u793a\u3057\u305f\u30b0\u30e9\u30d5\u3067\u3059\u3002\u3053\u306eAI\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001\u518d\u5165\u9662\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u60a3\u8005\u3092\u3069\u308c\u3060\u3051\u52b9\u7387\u3088\u304f\u7279\u5b9a\u3067\u304d\u308b\u304b\u3092\u8996\u899a\u7684\u306b\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u5de6\u7aef\u306e\u68d2\uff08Bin 1\uff09\uff1a<\/strong>\u00a0\u300c\u518d\u5165\u9662\u3059\u308b\u53ef\u80fd\u6027\u304c\u6700\u3082\u9ad8\u3044\u300d\u3068\u4e88\u6e2c\u3055\u308c\u305f\u4e0a\u4f4d10%\u306e\u30b0\u30eb\u30fc\u30d7<\/li>\n<li><strong>\u53f3\u7aef\u306e\u68d2\uff08Bin 10\uff09\uff1a<\/strong>\u00a0\u300c\u518d\u5165\u9662\u3059\u308b\u53ef\u80fd\u6027\u304c\u6700\u3082\u4f4e\u3044\u300d\u3068\u4e88\u6e2c\u3055\u308c\u305f\u4e0b\u4f4d10%\u306e\u30b0\u30eb\u30fc\u30d7<\/li>\n<li><strong>\u8d64\u3044\u70b9\u7dda\uff081.0\uff09\uff1a<\/strong>\u00a0\u5e73\u5747\u30e9\u30a4\u30f3\uff08\u30e9\u30f3\u30c0\u30e0\u9078\u629e\u3068\u540c\u7b49\u306e\u57fa\u6e96\uff09<\/li>\n<\/ul>\n<ol>\n<li><strong>\u5177\u4f53\u7684\u306a\u8aad\u307f\u65b9\uff1a<\/strong><\/li>\n<\/ol>\n<p><strong>Bin 1\uff08\u5de6\u7aef\uff09\u306e\u60a3\u8005\u30b0\u30eb\u30fc\u30d7<\/strong><\/p>\n<ul>\n<li><strong>AI\u306e\u5224\u5b9a\uff1a<\/strong>\u00a0\u300c\u6700\u3082\u5371\u967a\u5ea6\u304c\u9ad8\u3044\u300d\u3068\u3055\u308c\u305f\u4e0a\u4f4d10%\u306e\u60a3\u8005\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/li>\n<li><strong>\u30ea\u30d5\u30c8\u50241.66\u306e\u610f\u5473\uff1a<\/strong>\u00a0\u5e73\u5747\u7684\u306a\u60a3\u8005\u3068\u6bd4\u3079\u3066\u30011.66\u500d\u518d\u5165\u9662\u3057\u3084\u3059\u3044\u30b0\u30eb\u30fc\u30d7\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u73fe\u5834\u3067\u306e\u6d3b\u7528\uff1a<\/strong>\u00a0\u3053\u306e\u30ea\u30b9\u30c8\u306b\u542b\u307e\u308c\u308b\u60a3\u8005\u306b\u306f\u3001\u9000\u9662\u524d\u306b\u91cd\u70b9\u7684\u306a\u6307\u5c0e\u3084\u7279\u5225\u5bfe\u5fdc\u3092\u5b9f\u65bd\u3059\u308b\u512a\u5148\u5bfe\u8c61\u3068\u3057\u3066\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<p><strong>Bin 10\uff08\u53f3\u7aef\uff09\u306e\u60a3\u8005\u30b0\u30eb\u30fc\u30d7<\/strong><\/p>\n<ul>\n<li><strong>AI\u306e\u5224\u5b9a\uff1a<\/strong>\u00a0\u300c\u518d\u5165\u9662\u306e\u53ef\u80fd\u6027\u304c\u307b\u3068\u3093\u3069\u306a\u3044\u300d\u3068\u5224\u5b9a\u3055\u308c\u305f\u4e0b\u4f4d10%\u306e\u60a3\u8005\u30ea\u30b9\u30c8\u3067\u3059\u3002<\/li>\n<li><strong>\u30ea\u30d5\u30c8\u50240.3\uff08\u4f4e\u3044\u5024\uff09\u306e\u610f\u5473\uff1a<\/strong>\u00a0\u3053\u306e\u30b0\u30eb\u30fc\u30d7\u306e\u60a3\u8005\u306f\u3001\u518d\u5165\u9662\u3059\u308b\u53ef\u80fd\u6027\u304c\u975e\u5e38\u306b\u4f4e\u3044\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong>\u73fe\u5834\u3067\u306e\u6d3b\u7528\uff1a<\/strong>\u00a0\u904e\u5270\u306a\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u306f\u4e0d\u8981\u3068\u5224\u65ad\u3057\u3001\u901a\u5e38\u306e\u9000\u9662\u624b\u7d9a\u304d\u3067\u5bfe\u5fdc\u3059\u308b\u3053\u3068\u3067\u3001\u533b\u7642\u30ea\u30bd\u30fc\u30b9\u3092\u52b9\u7387\u7684\u306b\u914d\u5206\u3067\u304d\u307e\u3059\u3002<\/li>\n<\/ul>\n<ol>\n<li>\u7d50\u8ad6\uff1a\u3069\u3046\u30d3\u30b8\u30cd\u30b9\u306b\u4f7f\u3046\u304b\uff1f<\/li>\n<\/ol>\n<p>\u3053\u306e\u30c1\u30e3\u30fc\u30c8\u306f\u3001\u9650\u3089\u308c\u305f\u30ea\u30bd\u30fc\u30b9\u306e<strong>\u512a\u5148\u914d\u5206<\/strong>\u3092\u6c7a\u3081\u308b\u969b\u306b\u6d3b\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>\u305f\u3068\u3048\u3070\u3001\u300c\u5168\u60a3\u8005\u306b\u30d5\u30a9\u30ed\u30fc\u30a2\u30c3\u30d7\u306e\u9023\u7d61\u3092\u9001\u308b\u4f59\u88d5\u304c\u306a\u3044\u300d\u3068\u3044\u3046\u72b6\u6cc1\u3067\u3042\u308c\u3070\u3001\u4e0b\u306e\u30b0\u30e9\u30d5\u3092\u53c2\u7167\u3057\u3066\u300cBin 1\u301cBin 4\uff08\u4e0a\u4f4d40%\uff09\u300d\u3092\u5bfe\u5fdc\u5bfe\u8c61\u3068\u3059\u308b\u3053\u3068\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u4e0d\u8981\u306a\u5bfe\u5fdc\u3092\u6e1b\u3089\u3057\u306a\u304c\u3089\u3001\u518d\u5165\u9662\u30ea\u30b9\u30af\u306e\u9ad8\u3044\u60a3\u8005\u306e\u591a\u304f\u3092\u52b9\u7387\u3088\u304f\u30ab\u30d0\u30fc\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u4eca\u56de\u306e\u30e2\u30c7\u30eb\u306f\u68d2\u30b0\u30e9\u30d5\u304c\u5de6\u304b\u3089\u53f3\u3078\u304d\u308c\u3044\u306a\u968e\u6bb5\u72b6\u306b\u4f4e\u4e0b\u3057\u3066\u304a\u308a\u3001<strong>\u60a3\u8005\u306e\u512a\u5148\u9806\u4f4d\u4ed8\u3051\uff08\u30ea\u30b9\u30af\u30e9\u30f3\u30ad\u30f3\u30b0\uff09\u306e\u30c4\u30fc\u30eb\u3068\u3057\u3066\u975e\u5e38\u306b\u6709\u52b9<\/strong>\u3067\u3042\u308b\u3068\u3044\u3048\u307e\u3059\u3002<\/p>\n<h2>Density chart<\/h2>\n<p>Density chart\uff08\u5bc6\u5ea6\u30c1\u30e3\u30fc\u30c8\uff09\u306f\u3001\u30e2\u30c7\u30eb\u304c\u5404\u30af\u30e9\u30b9\u3092\u3069\u306e\u7a0b\u5ea6\u6b63\u78ba\u306b\u8b58\u5225\u30fb\u5206\u96e2\u3067\u304d\u3066\u3044\u308b\u304b\u3092\u793a\u3059\u30b0\u30e9\u30d5\u3067\u3059\u3002\u7406\u60f3\u7684\u306a\u30e2\u30c7\u30eb\u3067\u306f\u7570\u306a\u308b\u30af\u30e9\u30b9\u9593\u306e\u78ba\u7387\u5bc6\u5ea6\u304c\u91cd\u306a\u308a\u5408\u3046\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u5b9f\u969b\u306e\u30c7\u30fc\u30bf\u3067\u5b66\u7fd2\u3057\u305f\u30e2\u30c7\u30eb\u3067\u305d\u306e\u3088\u3046\u306a\u72b6\u614b\u306b\u306a\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3002\u4eca\u56de\u306eXGBoost\u30e2\u30c7\u30eb\u3067\u306f\u30012\u3064\u306e\u5206\u5e03\u304c\u3042\u308b\u7a0b\u5ea6\u5206\u304b\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u3001\u305d\u308c\u305e\u308c\u306e\u4e2d\u592e\u5024\u306b\u306f\u4e88\u6e2c\u78ba\u7387\u306712%\u306e\u5dee\u304c\u3042\u308a\u307e\u3059\u3002 \u3053\u306e\u30b0\u30e9\u30d5\u3092\u8aad\u3080\u969b\u306f\u3001\u300c\u5c71\u306e\u5f62\u300d\u3068\u300c\u91cd\u306a\u308a\u5177\u5408\u300d\u306b\u7740\u76ee\u3059\u308b\u3053\u3068\u304c\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4.webp\" alt=\"\" width=\"2048\" height=\"1181\" class=\"alignnone size-full wp-image-7781\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4.webp 2048w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4-300x173.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4-1024x591.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4-768x443.webp 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-4-1536x886.webp 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<p><b>\u30b0\u30e9\u30d5\u306e\u57fa\u672c\u69cb\u6210<\/b><\/p>\n<ul>\n<li><strong>\u6a2a\u8ef8 (Predicted probability):<\/strong>\u00a0\u30e2\u30c7\u30eb\u304c\u51fa\u3057\u305f\u4e88\u6e2c\u30b9\u30b3\u30a2\uff080.0\u301c1.0\uff09\u3002\n<ul>\n<li><strong>\u5de6\u5074 (0.0):<\/strong>\u00a0\u300c\u7d76\u5bfe\u306b\u518d\u5165\u9662\u3057\u306a\u3044\u300d\u3068\u3044\u3046\u5224\u5b9a\u3002<\/li>\n<li><strong>\u53f3\u5074 (1.0):<\/strong>\u00a0\u300c\u7d76\u5bfe\u306b\u518d\u5165\u9662\u3059\u308b\u300d\u3068\u3044\u3046\u5224\u5b9a\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7e26\u8ef8 (Probability density):<\/strong>\u00a0\u305d\u306e\u30b9\u30b3\u30a2\u3092\u51fa\u3057\u305f<strong>\u4eba\u6570\u306e\u591a\u3055\uff08\u5c71\u306e\u9ad8\u3055\uff09<\/strong>\u3002<\/li>\n<li><strong>2\u3064\u306e\u8272\u306e\u5c71:<\/strong>\n<ul>\n<li><strong>\u9752\u3044\u5c71 (Class 0):<\/strong>\u00a0<strong>\u5b9f\u969b\u306b\u306f\u518d\u5165\u9662\u3057\u306a\u304b\u3063\u305f\u4eba\u305f\u3061<\/strong>\u00a0\u306e\u30b9\u30b3\u30a2\u5206\u5e03\u3002<\/li>\n<li><strong>\u30aa\u30ec\u30f3\u30b8\u306e\u5c71 (Class 1):<\/strong>\u00a0<strong>\u5b9f\u969b\u306b\u518d\u5165\u9662\u3057\u305f\u4eba\u305f\u3061<\/strong>\u00a0\u306e\u30b9\u30b3\u30a2\u5206\u5e03\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b><strong>\u7406\u60f3\u7684\u306a\u5f62\u3068\u73fe\u5b9f\u306e\u6bd4\u8f03<\/strong><\/b><\/p>\n<p>\u3053\u306e\u30c1\u30e3\u30fc\u30c8\u3092\u898b\u308b\u969b\u306f\u3001\u300c\u9752\u3068\u30aa\u30ec\u30f3\u30b8\u306e\u5c71\u304c\u5de6\u53f3\u306b\u304d\u308c\u3044\u306b\u5206\u304b\u308c\u3066\u3044\u308b\u304b\u300d\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u7406\u60f3\u7684\u306a\u30e2\u30c7\u30eb\uff08\u6e80\u70b9\uff09\uff1a<\/strong>\n<ul>\n<li>\u9752\u3044\u5c71\u304c\u5de6\u7aef\uff080\u4ed8\u8fd1\uff09\u306b\u96c6\u4e2d\u3057\u3066\u3044\u308b<\/li>\n<li>\u30aa\u30ec\u30f3\u30b8\u306e\u5c71\u304c\u53f3\u7aef\uff081\u4ed8\u8fd1\uff09\u306b\u96c6\u4e2d\u3057\u3066\u3044\u308b<\/li>\n<li>\u4e2d\u592e\u3067\u91cd\u306a\u308a\u5408\u3046\u90e8\u5206\u304c\u307e\u3063\u305f\u304f\u306a\u3044\u72b6\u614b<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u7cbe\u5ea6\u306e\u4f4e\u3044\u30e2\u30c7\u30eb\uff1a<\/strong>\n<ul>\n<li>\u9752\u3068\u30aa\u30ec\u30f3\u30b8\u306e\u5c71\u304c\u4e2d\u592e\u3067\u5b8c\u5168\u306b\u91cd\u306a\u3063\u3066\u3044\u308b\uff08\uff1d\u30e2\u30c7\u30eb\u304c\u4e21\u30af\u30e9\u30b9\u3092\u533a\u5225\u3067\u304d\u3066\u3044\u306a\u3044\u72b6\u614b\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><b><strong>\u4eca\u56de\u306e\u7d50\u679c\u306e\u8a3a\u65ad\uff1a\u300c\u5224\u5225\u306b\u82e6\u6226\u3057\u3066\u3044\u308b\u304c\u3001\u50be\u5411\u306f\u6349\u3048\u3066\u3044\u308b\u300d<\/strong><\/b><\/p>\n<p>\u4eca\u56de\u306e\u7d50\u679c\u304b\u3089\u306f\u3001\u4ee5\u4e0b\u306e\u3053\u3068\u304c\u8aad\u307f\u53d6\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u91cd\u306a\u308a\uff08Overlap\uff09\u304c\u975e\u5e38\u306b\u5927\u304d\u3044\uff1a<\/strong>\u00a0\u4e2d\u592e\u90e8\u306e\u8336\u8272\u304c\u304b\u3063\u305f\u30a8\u30ea\u30a2\uff08\u9752\u3068\u30aa\u30ec\u30f3\u30b8\u304c\u91cd\u306a\u3063\u3066\u3044\u308b\u9818\u57df\uff09\u304c\u975e\u5e38\u306b\u5e83\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u4e88\u6e2c\u30b9\u30b3\u30a2\u304c0.4\u301c0.6\u4ed8\u8fd1\u306e\u9818\u57df\u3067\u306f\u3001\u5b9f\u969b\u306b\u518d\u5165\u9662\u3057\u305f\u4eba\u3068\u3057\u306a\u304b\u3063\u305f\u4eba\u304c\u6df7\u5728\u3057\u3066\u304a\u308a\u3001\u30e2\u30c7\u30eb\u304c\u660e\u78ba\u306b\u5224\u5225\u3067\u304d\u3066\u3044\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u4e2d\u592e\u5024\u306e\u4f4d\u7f6e\u304c\u8fd1\u3044\uff1a<\/strong>\n<ul>\n<li>\u9752\u306e\u70b9\u7dda\uff08\u4e2d\u592e\u5024\uff09\uff1a0.44<\/li>\n<li>\u30aa\u30ec\u30f3\u30b8\u306e\u70b9\u7dda\uff08\u4e2d\u592e\u5024\uff09\uff1a0.54<\/li>\n<li>\u4e21\u8005\u306e\u5dee\u306f\u308f\u305a\u304b0.1\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002\u30e2\u30c7\u30eb\u306f\u300c\u518d\u5165\u9662\u3059\u308b\u4eba\u300d\u306b\u5bfe\u3057\u3066\u308f\u305a\u304b\u306b\u9ad8\u3044\u30b9\u30b3\u30a2\u3092\u4ed8\u3051\u3089\u308c\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u305d\u306e\u5dee\u306f\u5c0f\u3055\u3044\u3068\u3044\u308f\u3056\u308b\u3092\u5f97\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u7d50\u8ad6:<\/strong>\u00a0\u3053\u306e\u30e2\u30c7\u30eb\u306b\u3068\u3063\u3066\u3001\u518d\u5165\u9662\u306e\u4e88\u6e2c\u306f**\u300c\u96e3\u6613\u5ea6\u306e\u9ad8\u3044\uff08\u30b0\u30ec\u30fc\u30be\u30fc\u30f3\u304c\u591a\u3044\uff09\u30bf\u30b9\u30af\u300d**\u3067\u3042\u308b\u3068\u3044\u3048\u307e\u3059\u3002\u4e21\u30af\u30e9\u30b9\u3092\u660e\u78ba\u306b\u533a\u5225\u3067\u304d\u308b\u7279\u5fb4\u91cf\u3092\u5341\u5206\u306b\u6349\u3048\u3089\u308c\u3066\u304a\u3089\u305a\u3001\u30e2\u30c7\u30eb\u304c\u5224\u65ad\u306b\u8ff7\u3044\u306a\u304c\u3089\u4e88\u6e2c\u3057\u3066\u3044\u308b\u69d8\u5b50\u304c\u3053\u306e\u30b0\u30e9\u30d5\u304b\u3089\u898b\u3066\u53d6\u308c\u307e\u3059\u3002<\/p>\n<h2>Features<\/h2>\n<p>Features\uff08\u7279\u5fb4\u91cf\uff09\u30d1\u30cd\u30eb\u306b\u306f\u3001\u7279\u5fb4\u91cf\u306e\u53d6\u308a\u6271\u3044\u306b\u95a2\u3059\u308b\u60c5\u5831\u3068\u3001\u524d\u51e6\u7406\u3055\u308c\u305f\u3059\u3079\u3066\u306e\u7279\u5fb4\u91cf\u306e\u4e00\u89a7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u4eca\u56de\u306eXGBoost\u30e2\u30c7\u30eb\u3067\u306f\u3001\u300cEncounter ID\u300d\u304c\u9664\u5916\uff08Rejected\uff09\u3055\u308c\u305f\u4e00\u65b9\u3001\u300c\u6551\u6025\u6765\u9662\u6570\uff08Number of emergency visits\uff09\u300d\u306f\u6570\u5024\u578b\u3068\u3057\u3066\u51e6\u7406\u3055\u308c\u3001\u6a19\u6e96\u5316\uff08Standardized\uff09\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5.webp\" alt=\"\" width=\"2048\" height=\"1178\" class=\"alignnone size-full wp-image-7782\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5.webp 2048w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5-300x173.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5-1024x589.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5-768x442.webp 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-5-1536x884.webp 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<p><strong>\u8d64\u67a0\u90e8\u5206\u306e\u898b\u65b9\uff1a<\/strong><\/p>\n<ul>\n<li><strong>Status\uff08\u77e2\u5370\u306e\u5217\uff09<\/strong>: \u6700\u3082\u91cd\u8981\u306a\u9805\u76ee\u3067\u3059\u3002\n<ul>\n<li><strong><code>Input<\/code>\u00a0(\u2192)<\/strong>: \u305d\u306e\u5909\u6570\u304c\u4e88\u6e2c\u306b\u6709\u7528\u3067\u3042\u308b\u3068\u5224\u65ad\u3055\u308c\u3001\u30e2\u30c7\u30eb\u306b\u63a1\u7528\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<li><strong><code>Rejected<\/code>\u00a0(\u00d7)<\/strong>: \u305d\u306e\u5909\u6570\u304c\u4e0d\u8981\u307e\u305f\u306f\u4e88\u6e2c\u306b\u60aa\u5f71\u97ff\u3092\u53ca\u307c\u3059\u3068\u5224\u65ad\u3055\u308c\u3001\u9664\u5916\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5177\u4f53\u7684\u306a\u4f8b\uff08\u8d64\u67a0\u306e\u4e2d\u8eab\uff09<\/strong>:\n<ul>\n<li><strong><code>Number of emergency visits<\/code>\u00a0(Input)<\/strong>:\u300c\u6551\u6025\u5916\u6765\u306e\u53d7\u8a3a\u56de\u6570\u300d\u306f\u4e88\u6e2c\u306b\u6709\u52b9\u306a\u60c5\u5831\u3092\u6301\u3064\u3068\u5224\u65ad\u3055\u308c\u3001\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<li><strong><code>Encounter ID<\/code>\u00a0(Rejected)<\/strong>:\u300c\u8a3a\u5bdfID\u306a\u3069\u306e\u8b58\u5225\u756a\u53f7\u300d\u306f\u60a3\u8005\u3054\u3068\u306b\u7570\u306a\u308b\u5358\u306a\u308b\u901a\u3057\u756a\u53f7\u3067\u3042\u308a\u3001\u4e88\u6e2c\u306b\u610f\u5473\u306e\u3042\u308b\u60c5\u5831\u3092\u6301\u305f\u306a\u3044\u305f\u3081\u3001Dataiku\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u9664\u5916\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Algorithm<\/h2>\n<p>Algorithm\uff08\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\uff09\u30d1\u30cd\u30eb\u306b\u306f\u3001\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u30b0\u30ea\u30c3\u30c9\u30b5\u30fc\u30c1\u306e\u7d50\u679c\u5f97\u3089\u308c\u305f\u6700\u9069\u306a\u30e2\u30c7\u30eb\u306e\u60c5\u5831\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6.webp\" alt=\"\" width=\"2048\" height=\"1182\" class=\"alignnone size-full wp-image-7783\" srcset=\"https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6.webp 2048w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6-300x173.webp 300w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6-1024x591.webp 1024w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6-768x443.webp 768w, https:\/\/since2020.jp\/media\/wp-content\/uploads\/2026\/03\/image-6-1536x887.webp 1536w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/p>\n<p>\u3053\u308c\u307e\u3067\u306e\u753b\u9762\u304c\u4e3b\u306b\u300c\u7cbe\u5ea6\u306e\u8a55\u4fa1\u300d\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u305f\u306e\u306b\u5bfe\u3057\u3001\u3053\u306e\u753b\u9762\u306f\u300c\u3069\u306e\u3088\u3046\u306a\u8a2d\u5b9a\u3067\u30e2\u30c7\u30eb\u304c\u5b66\u7fd2\u3055\u308c\u305f\u304b\u300d\u3068\u3044\u3046\u6280\u8853\u7684\u306a\u4e8b\u5b9f\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u3082\u306e\u3067\u3059\u3002\u753b\u9762\u306f\u5927\u304d\u304f2\u3064\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u306b\u5206\u304b\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><b>Algorithm details\uff08\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u8a73\u7d30\uff09<\/b><\/p>\n<p>Dataiku\u304c\u30b0\u30ea\u30c3\u30c9\u30b5\u30fc\u30c1\u306a\u3069\u306e\u5b9f\u9a13\u3092\u7d4c\u3066\u3001\u6700\u7d42\u7684\u306b\u63a1\u7528\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u8a2d\u5b9a\u306e\u4e00\u89a7\u304c\u8868\u793a\u3055\u308c\u307e\u3059\u3002\u7279\u306b\u6ce8\u76ee\u3059\u3079\u304d\u9805\u76ee\u306f\u4ee5\u4e0b\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>Algorithm: XGBoost<\/strong>\n<ul>\n<li>\u4f7f\u7528\u3055\u308c\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Actual number of trees: 93<\/strong>\n<ul>\n<li><strong>\u3053\u3053\u304c\u91cd\u8981\u3067\u3059\u3002<\/strong>\u00a0\u5b9f\u969b\u306b\u751f\u6210\u3055\u308c\u305f\u6c7a\u5b9a\u6728\u306e\u6570\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u8a2d\u8a08\u753b\u9762\uff08Design\uff09\u3067\u300c\u6700\u5927100\u672c\u300d\u3068\u8a2d\u5b9a\u3057\u3066\u3044\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u7d50\u679c\u304c93\u672c\u3067\u3042\u308c\u3070\u3001\u300c93\u672c\u306e\u6642\u70b9\u3067\u5341\u5206\u306a\u7cbe\u5ea6\u306b\u9054\u3057\u305f\u305f\u3081\u3001\u65e9\u671f\u306b\u5b66\u7fd2\u3092\u6253\u3061\u5207\u308a\u307e\u3057\u305f\uff08Early Stopping\uff09\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u904e\u5b66\u7fd2\u3092\u9632\u3050\u3046\u3048\u3067\u671b\u307e\u3057\u3044\u6319\u52d5\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Max trees depth: 3<\/strong>\n<ul>\n<li>\u6c7a\u5b9a\u6728\u306e\u6df1\u3055\u3067\u3059\u3002\u5024\u304c\u5927\u304d\u3044\u307b\u3069\u8907\u96d1\u306a\u30eb\u30fc\u30eb\u3092\u5b66\u7fd2\u3067\u304d\u307e\u3059\u304c\u30013\u7a0b\u5ea6\u3067\u3042\u308c\u3070\u30b7\u30f3\u30d7\u30eb\u3067\u6c4e\u7528\u6027\u306e\u9ad8\u3044\u30e2\u30c7\u30eb\u3068\u3044\u3048\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Eta (learning rate): 0.2<\/strong>\n<ul>\n<li>\u5b66\u7fd2\u7387\u3067\u3059\u30021\u56de\u306e\u5b66\u7fd2\u30b9\u30c6\u30c3\u30d7\u3067\u3069\u308c\u3060\u3051\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u66f4\u65b0\u3059\u308b\u304b\u3092\u5236\u5fa1\u3059\u308b\u8a2d\u5b9a\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p><strong>\u6d3b\u7528\u5834\u9762\uff1a<\/strong>\u300c\u3053\u306e\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u3055\u3089\u306b\u9ad8\u3081\u305f\u3044\u300d\u3068\u8003\u3048\u305f\u969b\u306b\u3001\u3053\u306e\u5024\u3092\u53c2\u8003\u306b\u6b21\u306e\u5b9f\u9a13\u8a08\u753b\u3092\u7acb\u3066\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300c\u6728\u306e\u6df1\u3055\u304c\u4e0a\u9650\u306e3\u306b\u9054\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6b21\u306f5\u307e\u3067\u8a66\u3057\u3066\u307f\u3088\u3046\u300d\u3068\u3044\u3063\u305f\u5224\u65ad\u306b\u5f79\u7acb\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<hr \/>\n<p><b>Training data\uff08\u5b66\u7fd2\u30c7\u30fc\u30bf\u306e\u7d71\u8a08\uff09<\/b><\/p>\n<p>\u3053\u3053\u3067\u306f\u3001\u5b66\u7fd2\u306b\u4f7f\u308f\u308c\u305f<strong>\u30c7\u30fc\u30bf\u306e\u91cf\uff08\u884c\u3068\u5217\uff09\u306e\u5909\u5316<\/strong>\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Rows (\u884c\u6570): 79912 \u2192 79912<\/strong>\n<ul>\n<li>Before\u3068After\u3067\u5909\u5316\u304c\u306a\u3044\u305f\u3081\u3001\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u306a\u3069\u306b\u3088\u308b\u30c7\u30fc\u30bf\u306e\u9664\u5916\u306f\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<li><strong>Columns (\u5217\u6570): 47 \u2192 25<\/strong>\u00a0\u2605\u00a0<strong>\u8981\u30c1\u30a7\u30c3\u30af<\/strong>\n<ul>\n<li>\u3053\u3053\u306f\u7279\u306b\u91cd\u8981\u3067\u3059\u3002\u5143\u300547\u500b\u3042\u3063\u305f\u5909\u6570\u304c\u3001\u5b66\u7fd2\u6642\u306b\u306f25\u500b\u306b\u524a\u6e1b\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001Dataiku\u304c\u300c\u5168\u54e1\u540c\u3058\u5024\u3092\u6301\u3064\u5909\u6570\u300d\u3084\u300c\u4e92\u3044\u306b\u76f8\u95a2\u304c\u5f37\u3059\u304e\u308b\u5909\u6570\uff08\u591a\u91cd\u5171\u7dda\u6027\uff09\u300d\u3092\u81ea\u52d5\u7684\u306b\u9664\u5916\u3059\u308b\u6a5f\u80fd\uff08Feature Reduction\uff09\u306b\u3088\u308b\u3082\u306e\u3067\u3059\u3002\u7d04\u534a\u6570\u306e\u5909\u6570\u304c\u81ea\u52d5\u7684\u306b\u6574\u7406\u3055\u308c\u3001\u30e2\u30c7\u30eb\u304c\u30b9\u30ea\u30e0\u5316\u3055\u308c\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u307e\u3068\u3081<\/h2>\n<p><span>\u4ee5\u4e0a\u304c\u3001Dataiku\u306ePERFORMANCE\u30bf\u30d6\u304a\u3088\u3073MODEL INFORMATION\u30bf\u30d6\u306b\u542b\u307e\u308c\u308b\u5404\u753b\u9762\u306e\u898b\u65b9\u3068\u89e3\u91c8\u306e\u30dd\u30a4\u30f3\u30c8\u3067\u3059\u3002 Confusion Matrix\u3067\u4e88\u6e2c\u306e\u50be\u5411\u3092\u3064\u304b\u307f\u3001Decision chart\u3067\u3057\u304d\u3044\u5024\u3068\u30d3\u30b8\u30cd\u30b9\u640d\u76ca\u306e\u95a2\u4fc2\u3092\u7406\u89e3\u3057\u3001Lift chart\u3067\u512a\u5148\u9806\u4f4d\u4ed8\u3051\u306e\u52b9\u679c\u3092\u78ba\u8a8d\u3059\u308b\u2015\u2015\u305d\u308c\u305e\u308c\u306e\u753b\u9762\u304c\u300c\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u3092\u591a\u89d2\u7684\u306b\u8a55\u4fa1\u3059\u308b\u300d\u3068\u3044\u3046\u4e00\u3064\u306e\u76ee\u7684\u306e\u3082\u3068\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u3001\u4eca\u56de\u306e\u5b66\u7fd2\u3092\u901a\u3058\u3066\u3088\u304f\u5206\u304b\u308a\u307e\u3057\u305f\u3002 \u3069\u306e\u753b\u9762\u3067\u4f55\u3092\u78ba\u8a8d\u3059\u308c\u3070\u3088\u3044\u304b\u304c\u5206\u304b\u308b\u3068\u3001\u30e2\u30c7\u30eb\u4f5c\u6210\u304c\u3088\u308a\u697d\u3057\u304f\u306a\u308a\u307e\u3059\u3057\u3001\u7cbe\u5ea6\u6539\u5584\u306e\u30d2\u30f3\u30c8\u3082\u898b\u3064\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u300cMachine Learning Basics\u300d\u306f\u3001Dataiku\u306b\u304a\u3051\u308bAutoML\u306e\u57fa\u790e\u3092\u4f53\u7cfb\u7684\u306b\u5b66\u3076\u3046\u3048\u3067\u975e\u5e38\u306b\u5f79\u7acb\u3064\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3057\u305f\u3002 \u4eca\u5f8c\u306f\u3001\u4eca\u56de\u8aad\u307f\u89e3\u3044\u305f\u7d50\u679c\u3092\u3082\u3068\u306b\u884c\u3046\u300c\u30e2\u30c7\u30eb\u306e\u518d\u8abf\u6574\u300d\u3084\u300c\u7279\u5fb4\u91cf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u300d\u306a\u3069\u3001\u7cbe\u5ea6\u5411\u4e0a\u306b\u5411\u3051\u305f\u30d7\u30ed\u30bb\u30b9\u306b\u3064\u3044\u3066\u3082\u5b66\u3073\u3001\u767a\u4fe1\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002 \u6700\u5f8c\u307e\u3067\u8aad\u3093\u3067\u3044\u305f\u3060\u304d\u3001\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b Dataiku\u3092\u4f7f\u3048\u3070\u3001\u30b3\u30fc\u30c9\u3092\u66f8\u304b\u305a\u306b\u30af\u30ea\u30c3\u30af\u3060\u3051\u3067\u6a5f\u68b0\u5b66\u7fd2\uff08ML\uff09\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u3044\u3056\u30e2\u30c7\u30eb\u3092\u4f5c\u3063\u3066\u307f\u3066\u3001\u3053\u3046\u601d\u3063\u305f\u3053\u3068\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002 \u300c\u7d50\u679c\u753b\u9762\u306b\u306a\u3093\u304b\u3059\u3054\u3044\u30b0\u30e9\u30d5\u304c\u51fa\u305f\u3051\u3069\u3001\u3053\u308c\u3063\u3066\u7d50 [&hellip;]<\/p>\n","protected":false},"author":54,"featured_media":3371,"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":[199,484,39,419],"class_list":["post-7777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-data-infrastructure","tag-dataiku","tag-484","tag-39","tag-419"],"_links":{"self":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7777","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\/54"}],"replies":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/comments?post=7777"}],"version-history":[{"count":0,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/posts\/7777\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media\/3371"}],"wp:attachment":[{"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/media?parent=7777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/categories?post=7777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/since2020.jp\/media\/wp-json\/wp\/v2\/tags?post=7777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}