{"id":47114,"date":"2026-08-14T14:02:20","date_gmt":"2026-08-14T05:02:20","guid":{"rendered":"https:\/\/www.ripla.co.jp\/blog\/?p=47114"},"modified":"2026-10-26T19:15:45","modified_gmt":"2026-10-26T10:15:45","slug":"tree-pruning","status":"publish","type":"post","link":"https:\/\/www.ripla.co.jp\/blog\/system\/tree-pruning\/","title":{"rendered":"\u679d\u5208\u308a\u3068\u306f\uff1f\u6c7a\u5b9a\u6728\u306e\u904e\u5b66\u7fd2\u5bfe\u7b56\u30fb\u65b9\u6cd5\u30fb\u8a55\u4fa1\u3092\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u3068\u306f\u3001\u6c7a\u5b9a\u6728\u306e\u679d\u3084\u8449\u3092\u524a\u9664\u3057\u3066\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u3078\u306e\u9069\u5408\u3057\u3059\u304e\uff08\u904e\u5b66\u7fd2\uff09\u3092\u6291\u3048\u308b\u624b\u6cd5\u3067\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6c7a\u5b9a\u6728\u306f\u5206\u5272\u3092\u91cd\u306d\u308b\u307b\u3069\u8a13\u7df4\u30c7\u30fc\u30bf\u3092\u7d30\u304b\u304f\u5206\u985e\u3067\u304d\u307e\u3059\u304c\u3001\u30c7\u30fc\u30bf\u56fa\u6709\u306e\u5076\u7136\u307e\u3067\u899a\u3048\u3066\u3001\u672a\u77e5\u30c7\u30fc\u30bf\u3067\u6027\u80fd\u304c\u4e0b\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u679d\u5208\u308a\u3067\u306f\u3001\u4e88\u6e2c\u306b\u307b\u3068\u3093\u3069\u5bc4\u4e0e\u3057\u306a\u3044\u5206\u5272\u3092\u53d6\u308a\u9664\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-dl-link wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">AI\u99c6\u52d5\u958b\u767a\u306e\u57fa\u672c\u3084\u5de5\u7a0b\u3054\u3068\u306e\u6d3b\u7528\u65b9\u6cd5\u3001\u8cbb\u7528\u30fb\u671f\u9593\u3078\u306e\u5f71\u97ff\u306b\u3064\u3044\u3066\u306f\u3001<a href=\"https:\/\/www.ripla.co.jp\/download\/11\">\u7121\u6599\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\u300c\u30102026\u5e74\u6700\u65b0\u7248\u3011AI\u99c6\u52d5\u958b\u767a\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u30d6\u30c3\u30af\u300d<\/a>\u3067\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"pruning-overview\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u3068\u306f\uff1f\u6c7a\u5b9a\u6728\u306e\u8907\u96d1\u3055\u3092\u6291\u3048\u3066\u6c4e\u5316\u6027\u80fd\u3092\u9ad8\u3081\u308b\u65b9\u6cd5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6c7a\u5b9a\u6728\u306f\u3001\u7279\u5fb4\u91cf\u306e\u6761\u4ef6\u3067\u30c7\u30fc\u30bf\u3092\u4e8c\u3064\u4ee5\u4e0a\u306e\u5b50\u30ce\u30fc\u30c9\u306b\u5206\u3051\u3001\u5206\u5272\u5f8c\u306e\u30af\u30e9\u30b9\u4e0d\u7d14\u5ea6\u3084\u8aa4\u5dee\u3092\u4e0b\u3052\u308b\u51e6\u7406\u3092\u7e70\u308a\u8fd4\u3057\u307e\u3059\u3002\u6df1\u3044\u6728\u3067\u306f\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u306e1\u4ef6\u3060\u3051\u3092\u5206\u3051\u308b\u6761\u4ef6\u307e\u3067\u4f5c\u308c\u308b\u305f\u3081\u3001\u8a13\u7df4\u30b9\u30b3\u30a2\u306f\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u3057\u304b\u3057\u3001\u305d\u306e\u6761\u4ef6\u304c\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3067\u3082\u6709\u52b9\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u679d\u5208\u308a\u306f\u3001\u6728\u306e\u69cb\u9020\u3092\u5c0f\u3055\u304f\u3057\u3066\u3001\u5076\u7136\u306e\u5206\u5272\u3092\u4e88\u6e2c\u30eb\u30fc\u30eb\u304b\u3089\u5916\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u3067\u76ee\u6307\u3059\u306e\u306f\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u306e\u6b63\u89e3\u7387\u3092\u9ad8\u3081\u308b\u3053\u3068\u3088\u308a\u3001\u691c\u8a3c\u30c7\u30fc\u30bf\u3084\u5c06\u6765\u30c7\u30fc\u30bf\u3067\u5b89\u5b9a\u3057\u3066\u4e88\u6e2c\u3067\u304d\u308b\u6728\u306b\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3055\u3089\u306b\u3001\u30eb\u30fc\u30eb\u3092\u4eba\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3053\u3068\u3084\u3001\u63a8\u8ad6\u3084\u4fdd\u5b88\u306e\u30b3\u30b9\u30c8\u3092\u6291\u3048\u308b\u3053\u3068\u3082\u542b\u3081\u3066\u3001\u9069\u5207\u306a\u8907\u96d1\u3055\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u8449\u3092\u524a\u308a\u3059\u304e\u308b\u3068\u8868\u73fe\u529b\u304c\u4e0d\u8db3\u3059\u308b\u305f\u3081\u3001\u30a2\u30f3\u30c0\u30fc\u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u3068\u306e\u30d0\u30e9\u30f3\u30b9\u3082\u8a55\u4fa1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"pruning-overfitting\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u3068\u904e\u5b66\u7fd2\u306e\u95a2\u4fc2\uff5c\u8a13\u7df4\u6027\u80fd\u3068\u691c\u8a3c\u6027\u80fd\u306e\u5dee<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6728\u306e\u6df1\u3055\u3084\u8449\u306e\u6570\u3092\u6a2a\u8ef8\u3001\u8a13\u7df4\u30b9\u30b3\u30a2\u3068\u691c\u8a3c\u30b9\u30b3\u30a2\u3092\u7e26\u8ef8\u306b\u3068\u308b\u3068\u3001\u679d\u5208\u308a\u306e\u52b9\u679c\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u6d45\u3044\u6728\u3067\u306f\u4e21\u65b9\u306e\u30b9\u30b3\u30a2\u304c\u4f4e\u304f\u3001\u6df1\u304f\u3059\u308b\u306b\u3064\u308c\u3066\u691c\u8a3c\u30b9\u30b3\u30a2\u304c\u6539\u5584\u3057\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u3055\u3089\u306b\u6df1\u304f\u3059\u308b\u3068\u8a13\u7df4\u30b9\u30b3\u30a2\u3060\u3051\u304c\u4e0a\u304c\u308a\u3001\u691c\u8a3c\u30b9\u30b3\u30a2\u304c\u4e0b\u304c\u308b\u9818\u57df\u304c\u73fe\u308c\u307e\u3059\u3002\u679d\u5208\u308a\u306f\u3001\u3053\u306e\u904e\u5b66\u7fd2\u9818\u57df\u3078\u5165\u308b\u524d\u3001\u307e\u305f\u306f\u5165\u3063\u305f\u5f8c\u306b\u6728\u3092\u7c21\u7d20\u5316\u3059\u308b\u64cd\u4f5c\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u5206\u985e\u3067\u306f\u3001\u6b63\u89e3\u7387\u3060\u3051\u3067\u306a\u304f\u3001\u5c11\u6570\u30af\u30e9\u30b9\u306e\u518d\u73fe\u7387\u3001\u9069\u5408\u7387\u3001F1\u3001\u6df7\u540c\u884c\u5217\u3082\u898b\u307e\u3059\u3002\u56de\u5e30\u3067\u306f\u3001MAE\u3084RMSE\u3068\u3001\u4e88\u6e2c\u6b8b\u5dee\u306e\u5206\u5e03\u3092\u898b\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u30af\u30e9\u30b9\u4e0d\u5747\u8861\u3084\u5916\u308c\u5024\u304c\u3042\u308b\u3068\u3001\u5358\u4e00\u306e\u30b9\u30b3\u30a2\u304c\u679d\u306e\u9078\u629e\u3092\u8aa4\u3089\u305b\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u696d\u52d9\u4e0a\u306e\u8aa4\u308a\u30b3\u30b9\u30c8\u306b\u5408\u3063\u305f\u6307\u6a19\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<div class=\"wp-block-group article-point-box is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#d7edf8;border-width:1px;border-style:solid;border-radius:2px;margin-top:24px;margin-bottom:24px;overflow:hidden;\">\n\n<p class=\"article-point-box__header wp-block-paragraph\" style=\"background-color:#2083c7;color:#fff;text-align:center;padding:10px 12px;margin:0;font-size:18px;line-height:1.5;font-weight:700;\"><strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"background-color:#fff;padding:16px;margin:0;font-size:18px;line-height:1.9;\">\u8a13\u7df4\u30b9\u30b3\u30a2\u3068\u691c\u8a3c\u30b9\u30b3\u30a2\u306e\u5dee\u304c\u5e83\u304c\u308a\u59cb\u3081\u308b\u6df1\u3055\u3092\u3001\u679d\u5208\u308a\u306e\u8981\u5426\u3092\u5224\u65ad\u3059\u308b\u76ee\u5b89\u306b\u3057\u307e\u3059\u3002\u5dee\u304c\u3069\u3053\u304b\u3089\u958b\u304f\u304b\u306f\u3001\u6df1\u3055\u3084\u8449\u6570\u3092\u5909\u3048\u305f\u7d50\u679c\u3092\u4e26\u3079\u308b\u3068\u898b\u5206\u3051\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n\n\n<h2 id=\"pruning-pre\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u4e8b\u524d\u679d\u5208\u308a\u306e\u65b9\u6cd5\uff5c\u6728\u3092\u6210\u9577\u3055\u305b\u308b\u6bb5\u968e\u3067\u306e\u5236\u9650<\/strong><\/h2>\n\n\n\n<h3 id=\"pruning-max-depth\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>max_depth\u306b\u3088\u308b\u6df1\u3055\u306e\u5236\u9650<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\"><code>max_depth<\/code> \u306f\u3001\u6839\u304b\u3089\u8449\u307e\u3067\u306e\u6700\u5927\u6df1\u3055\u3092\u6307\u5b9a\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u5024\u3092\u5c0f\u3055\u304f\u3059\u308b\u3068\u6728\u306e\u30eb\u30fc\u30eb\u304c\u77ed\u304f\u306a\u308a\u3001\u5c40\u6240\u7684\u306a\u5206\u5272\u3092\u6291\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u5927\u304d\u3059\u304e\u308b\u3068\u904e\u5b66\u7fd2\u3057\u3001\u5c0f\u3055\u3059\u304e\u308b\u3068\u8907\u96d1\u306a\u95a2\u4fc2\u3092\u8868\u73fe\u3067\u304d\u307e\u305b\u3093\u3002\u5019\u88dc\u5024\u306f\u4ea4\u5dee\u691c\u8a3c\u3067\u6bd4\u8f03\u3057\u3001\u8a13\u7df4\u30b9\u30b3\u30a2\u3068\u691c\u8a3c\u30b9\u30b3\u30a2\u306e\u5dee\u3084\u30eb\u30fc\u30eb\u306e\u9577\u3055\u3092\u8a18\u9332\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-min-split\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>min_samples_split\u306b\u3088\u308b\u5206\u5272\u306b\u5fc5\u8981\u306a\u4ef6\u6570\u306e\u6307\u5b9a<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\"><code>min_samples_split<\/code> \u306f\u3001\u30ce\u30fc\u30c9\u3092\u3055\u3089\u306b\u5206\u5272\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u6700\u5c0f\u30b5\u30f3\u30d7\u30eb\u6570\u3067\u3059\u3002\u5024\u3092\u5897\u3084\u3059\u3068\u3001\u5c11\u6570\u306e\u30c7\u30fc\u30bf\u3060\u3051\u3067\u4f5c\u308b\u679d\u304c\u6e1b\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u5272\u5408\u3067\u6307\u5b9a\u3057\u305f\u5834\u5408\u306f\u3001\u30c7\u30fc\u30bf\u6570\u306b\u5fdc\u3058\u3066\u5b9f\u969b\u306e\u4ef6\u6570\u304c\u5909\u308f\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5b66\u7fd2\u30c7\u30fc\u30bf\u306e\u30b5\u30a4\u30ba\u3092\u5909\u3048\u305f\u3068\u304d\u306e\u6319\u52d5\u3082\u78ba\u304b\u3081\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-min-leaf\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>min_samples_leaf\u306b\u3088\u308b\u8449\u306e\u6700\u5c0f\u4ef6\u6570\u306e\u4fdd\u8a3c<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\"><code>min_samples_leaf<\/code> \u306f\u3001\u5206\u5272\u5f8c\u306e\u5404\u8449\u306b\u6b8b\u3059\u6700\u5c0f\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u8449\u304c1\u4ef6\u3060\u3051\u306b\u306a\u308b\u306e\u3092\u9632\u304e\u3001\u5206\u985e\u78ba\u7387\u3084\u56de\u5e30\u5e73\u5747\u306e\u3070\u3089\u3064\u304d\u3092\u6291\u3048\u308b\u52b9\u679c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u9867\u5ba2\u3084\u5e97\u8217\u306e\u3088\u3046\u306b\u540c\u3058\u30b0\u30eb\u30fc\u30d7\u306e\u89b3\u6e2c\u304c\u8907\u6570\u3042\u308b\u5834\u5408\u306f\u3001\u4ef6\u6570\u3060\u3051\u3067\u5224\u65ad\u305b\u305a\u3001\u30b0\u30eb\u30fc\u30d7\u5358\u4f4d\u306e\u8a55\u4fa1\u3068\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-min-impurity\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>min_impurity_decrease\u306b\u3088\u308b\u6539\u5584\u5e45\u306e\u8981\u6c42<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\"><code>min_impurity_decrease<\/code> \u306f\u3001\u5206\u5272\u306b\u3088\u3063\u3066\u4e0d\u7d14\u5ea6\u304c\u4e00\u5b9a\u4ee5\u4e0a\u6539\u5584\u3059\u308b\u5834\u5408\u306b\u3060\u3051\u5206\u5272\u3092\u8a31\u53ef\u3059\u308b\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u308f\u305a\u304b\u306a\u6539\u5584\u3057\u304b\u306a\u3044\u5206\u5272\u3092\u9664\u3051\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u91cd\u307f\u3084\u30af\u30e9\u30b9\u91cd\u307f\u3092\u4f7f\u3046\u3068\u3001\u8a08\u7b97\u3055\u308c\u308b\u6539\u5584\u5e45\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u610f\u5473\u3092\u5b9f\u88c5\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3067\u78ba\u304b\u3081\u3001\u91cd\u307f\u3092\u542b\u3080\u5b66\u7fd2\u6761\u4ef6\u3092\u56fa\u5b9a\u3057\u3066\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<div class=\"wp-block-group article-point-box is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#d7edf8;border-width:1px;border-style:solid;border-radius:2px;margin-top:24px;margin-bottom:24px;overflow:hidden;\">\n\n<p class=\"article-point-box__header wp-block-paragraph\" style=\"background-color:#2083c7;color:#fff;text-align:center;padding:10px 12px;margin:0;font-size:18px;line-height:1.5;font-weight:700;\"><strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"background-color:#fff;padding:16px;margin:0;font-size:18px;line-height:1.9;\">\u6df1\u3055\u3084\u4ef6\u6570\u306e\u5236\u9650\u3001\u6539\u5584\u5e45\u306e\u8981\u6c42\u306f\u3001\u8a13\u7df4\u3068\u691c\u8a3c\u306e\u30b9\u30b3\u30a2\u5dee\u304c\u5c0f\u3055\u304f\u3001\u30eb\u30fc\u30eb\u3082\u77ed\u304f\u306a\u308b\u5024\u3067\u9078\u3073\u307e\u3059\u3002\u3069\u306e\u5236\u9650\u304c\u52b9\u3044\u3066\u3044\u308b\u304b\u306f\u3001\u5019\u88dc\u5024\u3092\u4ea4\u5dee\u691c\u8a3c\u3067\u6bd4\u3079\u3066\u898b\u6975\u3081\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n\n\n<h2 id=\"pruning-post\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u4e8b\u5f8c\u679d\u5208\u308a\u306e\u65b9\u6cd5\uff5c\u5927\u304d\u306a\u6728\u304b\u3089\u306e\u4e0d\u8981\u306a\u679d\u306e\u524a\u9664<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u4e8b\u5f8c\u679d\u5208\u308a\u3067\u306f\u3001\u307e\u305a\u505c\u6b62\u6761\u4ef6\u3092\u7de9\u3081\u305f\u6728\u3092\u6210\u9577\u3055\u305b\u3001\u8907\u96d1\u306a\u5019\u88dc\u3092\u4f5c\u308a\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u4e88\u6e2c\u6027\u80fd\u3092\u5927\u304d\u304f\u640d\u306a\u308f\u306a\u3044\u679d\u3092\u9806\u306b\u524a\u308a\u307e\u3059\u3002\u5019\u88dc\u3092\u6bd4\u8f03\u3057\u3084\u3059\u3044\u4e00\u65b9\u3001\u6700\u5927\u306e\u6728\u3092\u4f5c\u308b\u305f\u3081\u3001\u5b66\u7fd2\u6642\u306e\u8a08\u7b97\u91cf\u3084\u30e1\u30e2\u30ea\u304c\u5897\u3048\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u30c7\u30fc\u30bf\u304c\u5c11\u306a\u3044\u5834\u5408\u306f\u3001\u4e8b\u524d\u679d\u5208\u308a\u3068\u4ea4\u5dee\u691c\u8a3c\u3092\u7d44\u307f\u5408\u308f\u305b\u3001\u904e\u5ea6\u306b\u5927\u304d\u306a\u6728\u3092\u4f5c\u3089\u306a\u3044\u8a2d\u8a08\u3082\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-cost-complexity\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>\u30b3\u30b9\u30c8\u8907\u96d1\u5ea6\u679d\u5208\u308a\u3068ccp_alpha<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">scikit-learn\u306e\u6c7a\u5b9a\u6728\u3067\u306f\u3001\u30b3\u30b9\u30c8\u8907\u96d1\u5ea6\u679d\u5208\u308a\u3092 <code>ccp_alpha<\/code> \u3067\u5236\u5fa1\u3067\u304d\u307e\u3059\u3002\u305d\u306e\u8003\u3048\u65b9\u306f\u3001\u6728\u306e\u4e0d\u7d14\u5ea6\u306b\u8449\u306e\u6570\u306b\u5fdc\u3058\u305f\u8907\u96d1\u3055\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u3092\u52a0\u3048\u3001\u5408\u8a08\u306e\u8a55\u4fa1\u304c\u5c0f\u3055\u304f\u306a\u308b\u90e8\u5206\u6728\u3092\u9078\u3076\u3053\u3068\u3067\u3059\u3002<code>ccp_alpha=0<\/code> \u3067\u306f\u901a\u5e38\u3001\u4e8b\u5f8c\u679d\u5208\u308a\u3092\u884c\u308f\u305a\u3001\u5024\u3092\u5927\u304d\u304f\u3059\u308b\u307b\u3069\u8907\u96d1\u306a\u679d\u304c\u524a\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from sklearn.tree import DecisionTreeClassifier\n\ntree = DecisionTreeClassifier(random_state=42)\npath = tree.cost_complexity_pruning_path(X_train, y_train)\nalphas = path.ccp_alphas\n\nmodels = [DecisionTreeClassifier(ccp_alpha=a, random_state=42).fit(X_train, y_train)\n          for a in alphas]<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\"><code>cost_complexity_pruning_path<\/code> \u306f\u3001\u679d\u3092\u524a\u308b\u5019\u88dc\u3068\u306a\u308b\u8907\u96d1\u5ea6\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u4e0d\u7d14\u5ea6\u306e\u60c5\u5831\u3092\u8fd4\u3057\u307e\u3059\u3002\u5019\u88dc\u306f\u305d\u306e\u307e\u307e\u63a1\u7528\u305b\u305a\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u5185\u306e\u4ea4\u5dee\u691c\u8a3c\u3067\u691c\u8a3c\u30b9\u30b3\u30a2\u3092\u6bd4\u3079\u3066\u9078\u3073\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u8a55\u4fa1\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u9078\u629e\u306b\u4f7f\u3063\u3066\u3044\u306a\u3044\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e00\u5ea6\u3060\u3051\u884c\u3044\u3001\u9078\u629e\u5f8c\u306e\u6027\u80fd\u3092\u5831\u544a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<div class=\"wp-block-group article-point-box is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#d7edf8;border-width:1px;border-style:solid;border-radius:2px;margin-top:24px;margin-bottom:24px;overflow:hidden;\">\n\n<p class=\"article-point-box__header wp-block-paragraph\" style=\"background-color:#2083c7;color:#fff;text-align:center;padding:10px 12px;margin:0;font-size:18px;line-height:1.5;font-weight:700;\"><strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"background-color:#fff;padding:16px;margin:0;font-size:18px;line-height:1.9;\">\u4e8b\u5f8c\u679d\u5208\u308a\u3092\u4f7f\u3046\u304b\u306f\u3001\u5b66\u7fd2\u6642\u306e\u8a08\u7b97\u91cf\u3084\u30e1\u30e2\u30ea\u306b\u4f59\u88d5\u304c\u3042\u308b\u304b\u3067\u6c7a\u3081\u307e\u3059\u3002ccp_alpha\u306e\u5019\u88dc\u306f\u3001\u8a13\u7df4\u30c7\u30fc\u30bf\u5185\u306e\u4ea4\u5dee\u691c\u8a3c\u3067\u691c\u8a3c\u30b9\u30b3\u30a2\u3092\u6bd4\u3079\u3066\u9078\u3073\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n\n\n<h2 id=\"pruning-selection\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9078\u3076\u624b\u9806\uff5c\u4ea4\u5dee\u691c\u8a3c\u3068\u696d\u52d9\u5236\u7d04\u306e\u7d44\u307f\u5408\u308f\u305b<\/strong><\/h2>\n\n\n\n<h3 id=\"pruning-step1\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>1. \u76ee\u7684\u3068\u8a55\u4fa1\u6307\u6a19\u306e\u6c7a\u5b9a<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u307e\u305a\u3001\u8aa4\u5206\u985e\u3084\u4e88\u6e2c\u8aa4\u5dee\u306e\u3069\u308c\u3092\u6e1b\u3089\u3057\u305f\u3044\u304b\u3092\u6c7a\u3081\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u533b\u7642\u306e\u30b9\u30af\u30ea\u30fc\u30cb\u30f3\u30b0\u306a\u3089\u5c11\u6570\u30af\u30e9\u30b9\u306e\u898b\u9003\u3057\u3001\u5be9\u67fb\u306a\u3089\u8aa4\u627f\u8a8d\u3068\u8aa4\u5374\u4e0b\u3001\u4e88\u6e2c\u5024\u306a\u3089\u8a31\u5bb9\u3067\u304d\u308b\u91d1\u984d\u3084\u6642\u9593\u306e\u305a\u308c\u304c\u554f\u984c\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u5358\u7d14\u306aaccuracy\u3060\u3051\u3067\u679d\u5208\u308a\u306e\u8a2d\u5b9a\u3092\u9078\u3076\u3068\u3001\u696d\u52d9\u4e0a\u91cd\u8981\u306a\u30af\u30e9\u30b9\u306e\u6027\u80fd\u304c\u898b\u3048\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u4e3b\u6307\u6a19\u3068\u88dc\u52a9\u6307\u6a19\u3092\u4e8b\u524d\u306b\u5b9a\u3081\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-step2\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>2. \u30c7\u30fc\u30bf\u5206\u5272\u3068\u524d\u51e6\u7406\u306e\u56fa\u5b9a<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u9078\u3076\u691c\u8a3c\u30c7\u30fc\u30bf\u3068\u6700\u7d42\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306f\u3001\u5fc5\u305a\u5206\u3051\u3066\u304a\u304d\u307e\u3059\u3002\u6642\u7cfb\u5217\u30c7\u30fc\u30bf\u306a\u3089\u672a\u6765\u306e\u671f\u9593\u3092\u8a55\u4fa1\u5074\u306b\u7f6e\u304d\u3001\u540c\u3058\u9867\u5ba2\u3084\u8a2d\u5099\u304c\u5b66\u7fd2\u5074\u3068\u30c6\u30b9\u30c8\u5074\u306b\u307e\u305f\u304c\u308b\u5834\u5408\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u5206\u5272\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6b20\u640d\u88dc\u5b8c\u3084\u30ab\u30c6\u30b4\u30ea\u5909\u63db\u306e\u57fa\u6e96\u306f\u3001\u5b66\u7fd2\u5206\u5272\u3060\u3051\u306b\u5408\u308f\u305b\u307e\u3059\u3002\u305d\u3046\u3057\u306a\u3044\u3068\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u60c5\u5831\u304c\u679d\u306e\u9078\u629e\u306b\u6f0f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-step3\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>3. \u691c\u8a3c\u30b9\u30b3\u30a2\u3068\u6728\u306e\u8907\u96d1\u3055\u306e\u6bd4\u8f03<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u5404\u30d1\u30e9\u30e1\u30fc\u30bf\u306b\u3064\u3044\u3066\u3001\u691c\u8a3c\u30b9\u30b3\u30a2\u3068\u8449\u306e\u6570\u3001\u6df1\u3055\u3092\u8a18\u9332\u3057\u307e\u3059\u3002\u5b66\u7fd2\u6642\u9593\u3068\u63a8\u8ad6\u6642\u9593\u3082\u3001\u3042\u308f\u305b\u3066\u6b8b\u3057\u307e\u3059\u3002\u691c\u8a3c\u30b9\u30b3\u30a2\u304c\u307b\u307c\u540c\u3058\u306a\u3089\u3001\u8449\u304c\u5c11\u306a\u304f\u8aac\u660e\u3057\u3084\u3059\u3044\u6728\u3092\u9078\u3076\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u4ea4\u5dee\u691c\u8a3c\u306e\u5e73\u5747\u3060\u3051\u3067\u306a\u304f\u5206\u5272\u3054\u3068\u306e\u3070\u3089\u3064\u304d\u3082\u898b\u3066\u3001\u7279\u5b9a\u306e\u671f\u9593\u3084\u30b0\u30eb\u30fc\u30d7\u306b\u3060\u3051\u4f9d\u5b58\u3057\u3066\u3044\u306a\u3044\u304b\u3092\u78ba\u304b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-step4\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>4. \u6700\u7d42\u30c6\u30b9\u30c8\u3068\u518d\u5b66\u7fd2<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u8a2d\u5b9a\u3092\u9078\u3093\u3060\u3089\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e00\u5ea6\u3060\u3051\u8a55\u4fa1\u3057\u307e\u3059\u3002\u554f\u984c\u304c\u306a\u3051\u308c\u3070\u3001\u904b\u7528\u3067\u5229\u7528\u3059\u308b\u5b66\u7fd2\u30c7\u30fc\u30bf\u5168\u4f53\u306b\u3001\u540c\u3058\u8a2d\u5b9a\u3067\u518d\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u518d\u5b66\u7fd2\u5f8c\u306e\u6728\u306f\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u9078\u629e\u6642\u3068\u69cb\u9020\u304c\u5909\u308f\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6728\u306e\u30eb\u30fc\u30eb\u3068\u7279\u5fb4\u91cf\u306e\u9806\u5e8f\u3092\u4fdd\u5b58\u3057\u3066\u304a\u304d\u307e\u3059\u3002\u52a0\u3048\u3066\u3001\u30af\u30e9\u30b9\u5bfe\u5fdc\u3068\u30e2\u30c7\u30eb\u30d5\u30a1\u30a4\u30eb\u306e\u30cf\u30c3\u30b7\u30e5\u3082\u6b8b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<div class=\"wp-block-group article-point-box is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#d7edf8;border-width:1px;border-style:solid;border-radius:2px;margin-top:24px;margin-bottom:24px;overflow:hidden;\">\n\n<p class=\"article-point-box__header wp-block-paragraph\" style=\"background-color:#2083c7;color:#fff;text-align:center;padding:10px 12px;margin:0;font-size:18px;line-height:1.5;font-weight:700;\"><strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"background-color:#fff;padding:16px;margin:0;font-size:18px;line-height:1.9;\">\u696d\u52d9\u4e0a\u306e\u8aa4\u308a\u30b3\u30b9\u30c8\u306b\u5408\u3046\u6307\u6a19\u3092\u4e3b\u6307\u6a19\u306b\u7f6e\u304d\u3001\u30b9\u30b3\u30a2\u304c\u307b\u307c\u540c\u3058\u306a\u3089\u3001\u8449\u304c\u5c11\u306a\u304f\u8aac\u660e\u3057\u3084\u3059\u3044\u6728\u3092\u9078\u3073\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u6027\u80fd\u306f\u3001\u8a2d\u5b9a\u9078\u629e\u306b\u4f7f\u308f\u306a\u304b\u3063\u305f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e00\u5ea6\u3060\u3051\u6e2c\u308a\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n\n\n<h2 id=\"pruning-interpretability\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u306e\u52b9\u679c\uff5c\u6027\u80fd\u30fb\u8aac\u660e\u6027\u30fb\u904b\u7528\u30b3\u30b9\u30c8\u306e\u8a55\u4fa1<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u5f8c\u306e\u6728\u306f\u3001\u6761\u4ef6\u5206\u5c90\u304c\u6e1b\u308b\u305f\u3081\u3001\u4eba\u304c\u4e2d\u8eab\u3092\u78ba\u8a8d\u3057\u3084\u3059\u304f\u306a\u308a\u307e\u3059\u3002\u5be9\u67fb\u3084\u55b6\u696d\u652f\u63f4\u306a\u3069\u3001\u4e88\u6e2c\u7406\u7531\u3092\u8aac\u660e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u696d\u52d9\u3067\u306f\u3001\u6df1\u3044\u6728\u3088\u308a\u77ed\u3044\u30eb\u30fc\u30eb\u304c\u9069\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u6d45\u304f\u3059\u308c\u3070\u8aac\u660e\u304c\u5fc5\u305a\u6b63\u78ba\u306b\u306a\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u5404\u8449\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u3001\u30af\u30e9\u30b9\u5272\u5408\u3001\u9069\u7528\u6761\u4ef6\u3092\u8868\u793a\u3057\u3001\u8aac\u660e\u5bfe\u8c61\u306e\u30b1\u30fc\u30b9\u304c\u3069\u306e\u8449\u306b\u5230\u9054\u3057\u305f\u304b\u3092\u8ffd\u8de1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6728\u304c\u5c0f\u3055\u304f\u306a\u308b\u307b\u3069\u3001\u63a8\u8ad6\u901f\u5ea6\u3084\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3082\u6539\u5584\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u4f4e\u9045\u5ef6\u306eAPI\u3084\u30a8\u30c3\u30b8\u7aef\u672b\u3067\u306f\u3001\u7cbe\u5ea6\u304c\u5c11\u3057\u4e0b\u304c\u3063\u3066\u3082\u3001\u8a08\u7b97\u91cf\u304c\u5b89\u5b9a\u3059\u308b\u6728\u3092\u63a1\u7528\u3059\u308b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u4e00\u65b9\u3067\u3001\u30e9\u30f3\u30c0\u30e0\u30d5\u30a9\u30ec\u30b9\u30c8\u3084\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u5404\u6728\u3092\u500b\u5225\u306b\u679d\u5208\u308a\u3059\u308b\u5834\u5408\u306f\u3001\u30a2\u30f3\u30b5\u30f3\u30d6\u30eb\u5168\u4f53\u3067\u306e\u691c\u8a3c\u304c\u5fc5\u8981\u3067\u3059\u3002\u5358\u4e00\u6728\u3067\u5f97\u305f\u52b9\u679c\u3092\u3001\u305d\u306e\u307e\u307e\u30a2\u30f3\u30b5\u30f3\u30d6\u30eb\u306b\u5f53\u3066\u306f\u3081\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 id=\"pruning-failure\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u3067\u5931\u6557\u3057\u3084\u3059\u3044\u70b9\u3068\u5bfe\u7b56<\/strong><\/h2>\n\n\n\n<h3 id=\"pruning-leakage\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u9078\u629e\u3078\u306e\u5229\u7528<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">ccp_alpha\u3084max_depth\u3092\u3001\u30c6\u30b9\u30c8\u30b9\u30b3\u30a2\u3092\u898b\u306a\u304c\u3089\u8abf\u6574\u3059\u308b\u3068\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3078\u904e\u5b66\u7fd2\u3057\u307e\u3059\u3002\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306f\u6700\u7d42\u78ba\u8a8d\u3060\u3051\u306b\u6b8b\u3057\u3001\u30d1\u30e9\u30e1\u30fc\u30bf\u9078\u629e\u306f\u8a13\u7df4\u30c7\u30fc\u30bf\u5185\u306e\u4ea4\u5dee\u691c\u8a3c\u3067\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u30c6\u30b9\u30c8\u7d50\u679c\u304c\u671f\u5f85\u3088\u308a\u60aa\u304b\u3063\u305f\u3068\u304d\u3082\u3001\u540c\u3058\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4f55\u5ea6\u3082\u8a2d\u5b9a\u3092\u5909\u3048\u306a\u3044\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-small-leaf\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>\u30b5\u30f3\u30d7\u30eb\u306e\u5c11\u306a\u3044\u8449\u306e\u6027\u80fd\u3060\u3051\u306b\u3088\u308b\u8a55\u4fa1<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u8a13\u7df4\u30c7\u30fc\u30bf\u3067\u4e0d\u7d14\u5ea6\u304c0\u306e\u8449\u304c\u591a\u304f\u3066\u3082\u3001\u5404\u8449\u304c\u6570\u4ef6\u3057\u304b\u306a\u3051\u308c\u3070\u3001\u65b0\u3057\u3044\u30c7\u30fc\u30bf\u3067\u4e0d\u5b89\u5b9a\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u8449\u3054\u3068\u306e\u4ef6\u6570\u3068\u691c\u8a3c\u6642\u306e\u8aa4\u308a\u3092\u78ba\u304b\u3081\u3001min_samples_leaf\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u305f\u3060\u3057\u3001\u5c11\u6570\u30af\u30e9\u30b9\u306e\u8449\u3092\u5358\u7d14\u306b\u524a\u308b\u3068\u898b\u9003\u3057\u304c\u5897\u3048\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u30af\u30e9\u30b9\u5225\u306e\u6307\u6a19\u3092\u4f75\u8a18\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"pruning-distribution\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>\u5206\u5e03\u306e\u5909\u5316\u306e\u8003\u616e\u4e0d\u8db3<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u672c\u756a\u306e\u30af\u30e9\u30b9\u5272\u5408\u3084\u7279\u5fb4\u91cf\u306e\u5206\u5e03\u304c\u5b66\u7fd2\u6642\u304b\u3089\u5909\u308f\u308b\u3068\u3001\u679d\u5208\u308a\u3067\u9078\u3093\u3060\u6728\u306e\u6027\u80fd\u3082\u5909\u308f\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u671f\u9593\u5225\u3001\u5730\u57df\u5225\u3001\u9867\u5ba2\u5c5e\u6027\u5225\u306b\u8a55\u4fa1\u3057\u3001\u30c7\u30fc\u30bf\u30c9\u30ea\u30d5\u30c8\u3092\u76e3\u8996\u3057\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u904b\u7528\u624b\u9806\u306b\u306f\u3001\u518d\u5b66\u7fd2\u306e\u57fa\u6e96\u3001\u6728\u306e\u6df1\u3055\u3084\u8449\u6570\u306e\u4e0a\u9650\u3001\u6027\u80fd\u304c\u4e0b\u304c\u3063\u305f\u5834\u5408\u306e\u5207\u308a\u623b\u3057\u65b9\u6cd5\u3092\u542b\u3081\u307e\u3059\u3002<\/p>\n\n\n\n\n\n<div class=\"wp-block-group article-point-box is-layout-flow wp-block-group-is-layout-flow\" style=\"border-color:#d7edf8;border-width:1px;border-style:solid;border-radius:2px;margin-top:24px;margin-bottom:24px;overflow:hidden;\">\n\n<p class=\"article-point-box__header wp-block-paragraph\" style=\"background-color:#2083c7;color:#fff;text-align:center;padding:10px 12px;margin:0;font-size:18px;line-height:1.5;font-weight:700;\"><strong>\u30dd\u30a4\u30f3\u30c8<\/strong><\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"background-color:#fff;padding:16px;margin:0;font-size:18px;line-height:1.9;\">\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u306f\u30d1\u30e9\u30e1\u30fc\u30bf\u9078\u629e\u306b\u4f7f\u308f\u305a\u3001\u6700\u7d42\u8a55\u4fa1\u306b\u4e00\u5ea6\u3060\u3051\u4f7f\u3044\u307e\u3059\u3002\u5c11\u6570\u30af\u30e9\u30b9\u306e\u8449\u3084\u671f\u9593\u5225\u30fb\u5730\u57df\u5225\u306e\u8a55\u4fa1\u3082\u542b\u3081\u3001\u3069\u3053\u3067\u5d29\u308c\u308b\u304b\u3092\u898b\u3066\u5224\u65ad\u3057\u307e\u3059\u3002<\/p>\n\n<\/div>\n\n\n\n<h2 id=\"pruning-summary\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u679d\u5208\u308a\u307e\u3068\u3081\uff5c\u691c\u8a3c\u30c7\u30fc\u30bf\u306b\u3088\u308b\u9069\u5207\u306a\u8907\u96d1\u3055\u306e\u9078\u629e<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u306f\u3001\u6c7a\u5b9a\u6728\u306e\u4e0d\u8981\u306a\u5206\u5272\u3092\u524a\u9664\u3057\u3001\u904e\u5b66\u7fd2\u3092\u6291\u3048\u306a\u304c\u3089\u6c4e\u5316\u6027\u80fd\u3068\u8aac\u660e\u6027\u3092\u6574\u3048\u308b\u65b9\u6cd5\u3067\u3059\u3002\u679d\u5208\u308a\u306b\u306f\u3001max_depth\u3001min_samples_split\u3001min_samples_leaf\u306a\u3069\u3067\u6210\u9577\u4e2d\u306e\u6728\u3092\u5236\u9650\u3059\u308b\u4e8b\u524d\u679d\u5208\u308a\u3068\u3001ccp_alpha\u3092\u4f7f\u3063\u3066\u5927\u304d\u306a\u6728\u304b\u3089\u90e8\u5206\u6728\u3092\u9078\u3076\u4e8b\u5f8c\u679d\u5208\u308a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u8a2d\u5b9a\u306f\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u898b\u305a\u306b\u3001\u4ea4\u5dee\u691c\u8a3c\u3067\u9078\u3073\u307e\u3059\u3002\u691c\u8a3c\u30b9\u30b3\u30a2\u3060\u3051\u3067\u306a\u304f\u3001\u8449\u6570\u3084\u6df1\u3055\u3001\u63a8\u8ad6\u30b3\u30b9\u30c8\u3092\u6bd4\u3079\u3001\u5c11\u6570\u30af\u30e9\u30b9\u306e\u6027\u80fd\u3068\u8aac\u660e\u306e\u3057\u3084\u3059\u3055\u3082\u78ba\u304b\u3081\u307e\u3059\u3002\u8a55\u4fa1\u6761\u4ef6\u3092\u56fa\u5b9a\u3057\u3001\u30c7\u30fc\u30bf\u5206\u5272\u3068\u524d\u51e6\u7406\u306e\u60c5\u5831\u6f0f\u3048\u3044\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u6728\u3092\u5c0f\u3055\u304f\u3059\u308b\u3053\u3068\u81ea\u4f53\u3092\u76ee\u7684\u306b\u305b\u305a\u3001\u672a\u77e5\u30c7\u30fc\u30bf\u3067\u5b89\u5b9a\u3057\u3001\u696d\u52d9\u306e\u8aa4\u308a\u30b3\u30b9\u30c8\u306b\u5408\u3046\u30e2\u30c7\u30eb\u3092\u9078\u3093\u3067\u304f\u3060\u3055\u3044\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-pruning-definition\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>Q. \u679d\u5208\u308a\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u3068\u306f\u3001\u6c7a\u5b9a\u6728\u306e\u4e0d\u8981\u306a\u679d\u3084\u8449\u3092\u524a\u9664\u3057\u3001\u904e\u5b66\u7fd2\u3092\u6291\u3048\u308b\u624b\u6cd5\u3067\u3059\u3002\u6728\u306e\u8907\u96d1\u3055\u3092\u4e0b\u3052\u3001\u672a\u77e5\u30c7\u30fc\u30bf\u3067\u306e\u6c4e\u5316\u6027\u80fd\u3084\u8aac\u660e\u6027\u3092\u6539\u5584\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-pruning-pre-post\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>Q. \u4e8b\u524d\u679d\u5208\u308a\u3068\u4e8b\u5f8c\u679d\u5208\u308a\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u4e8b\u524d\u679d\u5208\u308a\u306f\u6728\u3092\u6210\u9577\u3055\u305b\u308b\u9014\u4e2d\u3067\u6df1\u3055\u3084\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u5236\u9650\u3057\u307e\u3059\u3002\u4e8b\u5f8c\u679d\u5208\u308a\u306f\u5927\u304d\u306a\u6728\u3092\u4f5c\u3063\u3066\u304b\u3089\u3001\u8907\u96d1\u5ea6\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u306a\u3069\u3067\u4e0d\u8981\u306a\u679d\u3092\u524a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-pruning-ccp\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>Q. ccp_alpha\u306f\u4f55\u3092\u8868\u3057\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">ccp_alpha\u306f\u30b3\u30b9\u30c8\u8907\u96d1\u5ea6\u679d\u5208\u308a\u306e\u8907\u96d1\u5ea6\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u5927\u304d\u304f\u3059\u308b\u3068\u8449\u306e\u6570\u306b\u5bfe\u3059\u308b\u30da\u30ca\u30eb\u30c6\u30a3\u304c\u5f37\u304f\u306a\u308a\u3001\u3088\u308a\u5c0f\u3055\u306a\u90e8\u5206\u6728\u304c\u9078\u3070\u308c\u307e\u3059\u3002\u4ea4\u5dee\u691c\u8a3c\u3067\u5024\u3092\u6c7a\u3081\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-pruning-selection\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>Q. \u679d\u5208\u308a\u306e\u8a2d\u5b9a\u306f\u3069\u3046\u9078\u3073\u307e\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u8a13\u7df4\u30c7\u30fc\u30bf\u5185\u306e\u4ea4\u5dee\u691c\u8a3c\u3067\u3001\u4e3b\u6307\u6a19\u3068\u88dc\u52a9\u6307\u6a19\u3001\u6728\u306e\u6df1\u3055\u3001\u8449\u6570\u3001\u63a8\u8ad6\u30b3\u30b9\u30c8\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u6027\u80fd\u306f\u3001\u8a2d\u5b9a\u9078\u629e\u306b\u4f7f\u3063\u3066\u3044\u306a\u3044\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e00\u5ea6\u3060\u3051\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 id=\"q-pruning-deep\" class=\"wp-block-heading\" style=\"border-left:4px solid #0693e3;padding-left:16px;\"><strong>Q. \u6df1\u3044\u6c7a\u5b9a\u6728\u306f\u5fc5\u305a\u679d\u5208\u308a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f<\/strong><\/h3>\n\n\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u5fc5\u305a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u6df1\u3044\u6728\u306f\u904e\u5b66\u7fd2\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u691c\u8a3c\u6027\u80fd\u3068\u8449\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u679d\u5208\u308a\u524d\u5f8c\u3092\u540c\u3058\u6761\u4ef6\u3067\u6bd4\u8f03\u3057\u3001\u7cbe\u5ea6\u3001\u8aac\u660e\u6027\u3001\u904b\u7528\u30b3\u30b9\u30c8\u306b\u5408\u3046\u8a2d\u5b9a\u3092\u9078\u3073\u307e\u3059\u3002<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"\u679d\u5208\u308a\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u679d\u5208\u308a\u3068\u306f\u3001\u6c7a\u5b9a\u6728\u306e\u4e0d\u8981\u306a\u679d\u3084\u8449\u3092\u524a\u9664\u3057\u3001\u904e\u5b66\u7fd2\u3092\u6291\u3048\u308b\u624b\u6cd5\u3067\u3059\u3002\u6728\u306e\u8907\u96d1\u3055\u3092\u4e0b\u3052\u3001\u672a\u77e5\u30c7\u30fc\u30bf\u3067\u306e\u6c4e\u5316\u6027\u80fd\u3084\u8aac\u660e\u6027\u3092\u6539\u5584\u3057\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"\u4e8b\u524d\u679d\u5208\u308a\u3068\u4e8b\u5f8c\u679d\u5208\u308a\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u4e8b\u524d\u679d\u5208\u308a\u306f\u6728\u3092\u6210\u9577\u3055\u305b\u308b\u9014\u4e2d\u3067\u6df1\u3055\u3084\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u5236\u9650\u3057\u307e\u3059\u3002\u4e8b\u5f8c\u679d\u5208\u308a\u306f\u5927\u304d\u306a\u6728\u3092\u4f5c\u3063\u3066\u304b\u3089\u3001\u8907\u96d1\u5ea6\u306e\u30da\u30ca\u30eb\u30c6\u30a3\u306a\u3069\u3067\u4e0d\u8981\u306a\u679d\u3092\u524a\u308a\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"ccp_alpha\u306f\u4f55\u3092\u8868\u3057\u307e\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"ccp_alpha\u306f\u30b3\u30b9\u30c8\u8907\u96d1\u5ea6\u679d\u5208\u308a\u306e\u8907\u96d1\u5ea6\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3059\u3002\u5927\u304d\u304f\u3059\u308b\u3068\u8449\u306e\u6570\u306b\u5bfe\u3059\u308b\u30da\u30ca\u30eb\u30c6\u30a3\u304c\u5f37\u304f\u306a\u308a\u3001\u3088\u308a\u5c0f\u3055\u306a\u90e8\u5206\u6728\u304c\u9078\u3070\u308c\u307e\u3059\u3002\u4ea4\u5dee\u691c\u8a3c\u3067\u5024\u3092\u6c7a\u3081\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"\u679d\u5208\u308a\u306e\u8a2d\u5b9a\u306f\u3069\u3046\u9078\u3073\u307e\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u8a13\u7df4\u30c7\u30fc\u30bf\u5185\u306e\u4ea4\u5dee\u691c\u8a3c\u3067\u3001\u4e3b\u6307\u6a19\u3068\u88dc\u52a9\u6307\u6a19\u3001\u6728\u306e\u6df1\u3055\u3001\u8449\u6570\u3001\u63a8\u8ad6\u30b3\u30b9\u30c8\u3092\u6bd4\u8f03\u3057\u307e\u3059\u3002\u6700\u7d42\u7684\u306a\u6027\u80fd\u306f\u3001\u8a2d\u5b9a\u9078\u629e\u306b\u4f7f\u3063\u3066\u3044\u306a\u3044\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u4e00\u5ea6\u3060\u3051\u78ba\u8a8d\u3057\u307e\u3059\u3002\"}},{\"@type\":\"Question\",\"name\":\"\u6df1\u3044\u6c7a\u5b9a\u6728\u306f\u5fc5\u305a\u679d\u5208\u308a\u3059\u3079\u304d\u3067\u3059\u304b\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"\u5fc5\u305a\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u304c\u3001\u6df1\u3044\u6728\u306f\u904e\u5b66\u7fd2\u3057\u3084\u3059\u3044\u305f\u3081\u3001\u691c\u8a3c\u6027\u80fd\u3068\u8449\u306e\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u679d\u5208\u308a\u524d\u5f8c\u3092\u540c\u3058\u6761\u4ef6\u3067\u6bd4\u8f03\u3057\u3001\u7cbe\u5ea6\u3001\u8aac\u660e\u6027\u3001\u904b\u7528\u30b3\u30b9\u30c8\u306b\u5408\u3046\u8a2d\u5b9a\u3092\u9078\u3073\u307e\u3059\u3002\"}}]}\n<\/script>\n\n\n\n<p class=\"wp-dl-link wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u958b\u767a\u3092\u76f8\u8ac7\u3059\u308b\u524d\u306b\u3001\u7121\u6599\u30db\u30ef\u30a4\u30c8\u30da\u30fc\u30d1\u30fc\u306e<a href=\"https:\/\/www.ripla.co.jp\/download\/11\">\u30102026\u5e74\u6700\u65b0\u7248\u3011AI\u99c6\u52d5\u958b\u767a\u306e\u5b8c\u5168\u30ac\u30a4\u30c9\u30d6\u30c3\u30af<\/a>\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 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\n<p class=\"wp-block-paragraph\" style=\"font-size:18px;line-height:1.9;margin:0 0 18px;\">\u679d\u5208\u308a\u306e\u5b9f\u88c5\u3068\u8a55\u4fa1\u65b9\u6cd5\u3092\u78ba\u8a8d\u3067\u304d\u308b\u516c\u5f0f\u8cc7\u6599\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\" style=\"padding-left:1.25em;margin-left:0;line-height:1.9;margin:0 0 18px;\">\n<li><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/generated\/sklearn.tree.DecisionTreeClassifier.html\" target=\"_blank\" rel=\"noopener\">DecisionTreeClassifier\u516c\u5f0f\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/scikit-learn.org\/stable\/auto_examples\/tree\/plot_cost_complexity_pruning.html\" target=\"_blank\" rel=\"noopener\">\u30b3\u30b9\u30c8\u8907\u96d1\u5ea6\u679d\u5208\u308a\u306e\u516c\u5f0f\u4f8b<\/a><\/li>\n<li><a href=\"https:\/\/scikit-learn.org\/stable\/modules\/tree.html\" target=\"_blank\" rel=\"noopener\">Decision Trees\u516c\u5f0f\u30ac\u30a4\u30c9<\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"company-intro\" class=\"wp-block-heading\" style=\"background:#c3d3e1; padding:12px 20px; margin:32px 0 16px; color:#222;\"><strong>\u4f1a\u793e\u7d39\u4ecb<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-group is-vertical is-content-justification-stretch is-layout-flex wp-container-core-group-is-layout-898606d5 wp-block-group-is-layout-flex\">\n<p class=\"wp-block-paragraph\">\u682a\u5f0f\u4f1a\u793eripla\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u4e8b\u696d\u30fb\u30e6\u30fc\u30b6\u30fc\u30fb\u696d\u52d9\u306b\u6700\u9069\u5316\u3057\u305f\u30aa\u30fc\u30c0\u30fc\u30e1\u30a4\u30c9\u578b\u30b7\u30b9\u30c6\u30e0\u3092\u3001\u69cb\u60f3\u7b56\u5b9a\u30fb\u8981\u4ef6\u5b9a\u7fa9\u304b\u3089\u958b\u767a\u30fb\u6539\u5584\u307e\u3067\u4e00\u6c17\u901a\u8cab\u3067\u652f\u63f4\u3002\u4e8b\u696d\u4f1a\u793e\u3067IT\u30fbDX\u3092\u7d4c\u9a13\u3057\u305f\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u3088\u308b\u9ad8\u3044\u8981\u4ef6\u5b9a\u7fa9\u529b\u30fb\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u529b\u3092\u6d3b\u304b\u3057\u3001\u4e8b\u696d\u6210\u679c\u306e\u6700\u5927\u5316\u306b\u4f34\u8d70\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" data-attachment-id=\"48106\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/ripla-ordermade-system-202608\/\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608.png\" data-orig-size=\"1672,941\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" 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https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2026\/08\/ripla-ordermade-system-202608.png 1672w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u307e\u305f\u3001\u5f53\u793e\u72ec\u81ea\u306e\u958b\u767a\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u300cBox\u30b7\u30ea\u30fc\u30ba\u300d\u306b\u3088\u308b\u6a19\u6e96\u6a5f\u80fd\u306e\u9ad8\u901f\u958b\u767a\u3068\u3001AI\u99c6\u52d5\u958b\u767a\u306e\u72ec\u81ea\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u300cGoDD\u300d\u306b\u3088\u308b\u72ec\u81ea\u6a5f\u80fd\u306eAI\u5b9f\u88c5\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u4f4e\u30b3\u30b9\u30c8\u30fb\u77ed\u671f\u9593\u3067\u958b\u767a\u3092\u5b9f\u73fe\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-794e3cfa wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"369\" data-attachment-id=\"18450\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/product\/cross-platform-development-guide\/attachment\/%e3%82%b9%e3%82%af%e3%83%aa%e3%83%bc%e3%83%b3%e3%82%b7%e3%83%a7%e3%83%83%e3%83%88-2026-07-07-144340\/\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340.png\" data-orig-size=\"1325,477\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2026-07-07 144340\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png\" src=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png\" alt=\"\" class=\"wp-image-18450\" srcset=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-1024x369.png 1024w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-300x108.png 300w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340-768x276.png 768w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-07-07-144340.png 1325w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-text-align-left 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title=\"\">\u30fb\u30b5\u30fc\u30d3\u30b9\u6982\u8981\u8cc7\u6599\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><br><a href=\"https:\/\/www.ripla.co.jp\/inquiries\" title=\"\">\u30fb\u304a\u554f\u5408\u305b\u30da\u30fc\u30b8\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><br><a href=\"https:\/\/www.ripla.co.jp\/whitepaper\" title=\"\">\u30fb\u304a\u5f79\u7acb\u3061\u8cc7\u6599\u306eURL\u306f\u3053\u3061\u3089 &gt;&gt;&gt;<\/a><\/p>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/www.ripla.co.jp\/whitepaper\"><img loading=\"lazy\" decoding=\"async\" width=\"967\" height=\"573\" data-attachment-id=\"4184\" data-permalink=\"https:\/\/www.ripla.co.jp\/blog\/?attachment_id=4184\" data-orig-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" data-orig-size=\"967,573\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;,&quot;alt&quot;:&quot;&quot;}\" data-image-title=\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8 2026-02-27 145451\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" src=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png\" alt=\"\" class=\"wp-image-4184\" srcset=\"https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451.png 967w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451-300x178.png 300w, https:\/\/www.ripla.co.jp\/blog\/wp-content\/uploads\/2025\/05\/\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8-2026-02-27-145451-768x455.png 768w\" sizes=\"auto, (max-width: 967px) 100vw, 967px\" \/><\/a><\/figure>\n\n\n\n<div style=\"border:1px solid #d9e2ec; border-radius:12px; padding:24px; background:#f8fbff; margin:32px 0;\">\n<div style=\"font-size:22px; font-weight:bold; margin-bottom:20px; color:#1a1a1a;\">\n    \u57f7\u7b46\u8005\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb\n  <\/div>\n<div style=\"display:flex; align-items:flex-start; gap:20px; flex-wrap:wrap;\">\n<div style=\"flex:0 0 120px;\">\n      <img decoding=\"async\" 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