{"id":476182,"date":"2023-08-09T07:26:52","date_gmt":"2023-08-09T07:26:52","guid":{"rendered":""},"modified":"2023-09-05T11:12:11","modified_gmt":"2023-09-05T11:12:11","slug":"catboost","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/catboost\/","title":{"rendered":"\u30ad\u30e3\u30c3\u30c8\u30d6\u30fc\u30b9\u30c8"},"content":{"rendered":"<p>CatBoost \u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u95a2\u9023\u306e\u88fd\u54c1\u3068\u30b5\u30fc\u30d3\u30b9\u3092\u5c02\u9580\u3068\u3059\u308b\u30ed\u30b7\u30a2\u306e\u591a\u56fd\u7c4d\u4f01\u696d Yandex \u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u3059\u30022017 \u5e74\u306b\u30ea\u30ea\u30fc\u30b9\u3055\u308c\u305f CatBoost \u306f\u3001\u305d\u306e\u512a\u308c\u305f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3001\u4f7f\u3044\u3084\u3059\u3055\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u524d\u51e6\u7406\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u30ab\u30c6\u30b4\u30ea\u6a5f\u80fd\u3092\u51e6\u7406\u3067\u304d\u308b\u3053\u3068\u304b\u3089\u3001\u6a5f\u68b0\u5b66\u7fd2\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u3067\u5e83\u304f\u4eba\u6c17\u3092\u535a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>CatBoost\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>CatBoost \u306f\u3001\u65e2\u5b58\u306e\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u30ab\u30c6\u30b4\u30ea\u5909\u6570\u306e\u51e6\u7406\u3092\u6539\u5584\u3059\u308b\u5fc5\u8981\u6027\u304b\u3089\u751f\u307e\u308c\u307e\u3057\u305f\u3002\u5f93\u6765\u306e\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u306f\u3001\u30ab\u30c6\u30b4\u30ea\u6a5f\u80fd\u306b\u306f\u30ef\u30f3\u30db\u30c3\u30c8 \u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306a\u3069\u306e\u9762\u5012\u306a\u524d\u51e6\u7406\u304c\u5fc5\u8981\u3067\u3001\u8a08\u7b97\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u3001\u30aa\u30fc\u30d0\u30fc\u30d5\u30a3\u30c3\u30c6\u30a3\u30f3\u30b0\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u5236\u9650\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u3001CatBoost \u306f\u9806\u5e8f\u4ed8\u304d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u3068\u547c\u3070\u308c\u308b\u9769\u65b0\u7684\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u5c0e\u5165\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>CatBoost \u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u30012017 \u5e74 10 \u6708\u306e Yandex \u306e\u30d6\u30ed\u30b0\u306b\u9061\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u306f CatBoost \u304c\u300c\u65b0\u53c2\u8005\u300d\u3068\u3057\u3066\u7d39\u4ecb\u3055\u308c\u3001\u7af6\u5408\u4ed6\u793e\u3088\u308a\u3082\u52b9\u7387\u7684\u306b\u30ab\u30c6\u30b4\u30ea \u30c7\u30fc\u30bf\u3092\u51e6\u7406\u3067\u304d\u308b\u80fd\u529b\u304c\u5ba3\u4f1d\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002Yandex \u306e\u7814\u7a76\u958b\u767a\u30c1\u30fc\u30e0\u306f\u3001\u4e88\u6e2c\u7cbe\u5ea6\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u591a\u6570\u306e\u30ab\u30c6\u30b4\u30ea\u3092\u51e6\u7406\u3067\u304d\u308b\u3088\u3046\u306b\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u306b\u591a\u5927\u306a\u52b4\u529b\u3092\u8cbb\u3084\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>CatBoost \u306b\u95a2\u3059\u308b\u8a73\u7d30\u60c5\u5831\u3002\u30c8\u30d4\u30c3\u30af CatBoost \u3092\u62e1\u5f35\u3057\u307e\u3059\u3002<\/h2>\n<p>CatBoost \u306f\u3001\u8907\u6570\u306e\u5f31\u3044\u5b66\u7fd2\u8005 (\u901a\u5e38\u306f\u6c7a\u5b9a\u6728) \u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u5f37\u529b\u306a\u4e88\u6e2c\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3059\u308b\u5f37\u529b\u306a\u30a2\u30f3\u30b5\u30f3\u30d6\u30eb\u5b66\u7fd2\u624b\u6cd5\u3067\u3042\u308b\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u6982\u5ff5\u306b\u57fa\u3065\u3044\u3066\u3044\u307e\u3059\u3002\u5f93\u6765\u306e\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u306e\u5b9f\u88c5\u3068\u306f\u7570\u306a\u308a\u3001\u30ab\u30c6\u30b4\u30ea\u5909\u6570\u306e\u81ea\u7136\u306a\u9806\u5e8f\u3092\u5229\u7528\u3057\u3066\u5909\u6570\u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u9806\u5e8f\u4ed8\u304d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<p>CatBoost \u306e\u5185\u90e8\u52d5\u4f5c\u306b\u306f\u3001\u6b21\u306e 3 \u3064\u306e\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ab\u30c6\u30b4\u30ea\u7279\u5fb4\u51e6\u7406:<\/strong> CatBoost \u306f\u3001\u300c\u5bfe\u79f0\u30c4\u30ea\u30fc\u300d\u3068\u547c\u3070\u308c\u308b\u65b0\u3057\u3044\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001\u30e2\u30c7\u30eb\u304c\u30ab\u30c6\u30b4\u30ea\u7279\u6027\u3092\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u5206\u5272\u3057\u3001\u4e3b\u8981\u306a\u30ab\u30c6\u30b4\u30ea\u3078\u306e\u504f\u308a\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u524d\u51e6\u7406\u306e\u5fc5\u8981\u6027\u304c\u5927\u5e45\u306b\u8efd\u6e1b\u3055\u308c\u3001\u30e2\u30c7\u30eb\u306e\u7cbe\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6700\u9069\u5316\u3055\u308c\u305f\u6c7a\u5b9a\u6728:<\/strong> CatBoost \u306f\u3001\u30ab\u30c6\u30b4\u30ea\u7279\u5fb4\u3092\u52b9\u7387\u7684\u306b\u51e6\u7406\u3059\u308b\u3088\u3046\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u3001\u6c7a\u5b9a\u6728\u306e\u7279\u6b8a\u306a\u5b9f\u88c5\u3092\u5c0e\u5165\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u30c4\u30ea\u30fc\u306f\u3001\u5bfe\u79f0\u7684\u306a\u5206\u5272\u51e6\u7406\u65b9\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u3001\u30ab\u30c6\u30b4\u30ea\u7279\u5fb4\u304c\u6570\u5024\u7279\u5fb4\u3068\u540c\u7b49\u306b\u6271\u308f\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b63\u5247\u5316:<\/strong> CatBoost \u306f\u3001\u904e\u5270\u9069\u5408\u3092\u9632\u304e\u3001\u30e2\u30c7\u30eb\u306e\u4e00\u822c\u5316\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u306b L2 \u6b63\u5247\u5316\u3092\u5b9f\u88c5\u3057\u307e\u3059\u3002\u6b63\u5247\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u5fae\u8abf\u6574\u3057\u3066\u30d0\u30a4\u30a2\u30b9\u3068\u5206\u6563\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u305f\u3081\u3001CatBoost \u306f\u591a\u69d8\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u3088\u308a\u67d4\u8edf\u306b\u51e6\u7406\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>CatBoost\u306e\u4e3b\u306a\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<p>CatBoost \u306f\u3001\u4ed6\u306e\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u306f\u7570\u306a\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30ab\u30c6\u30b4\u30ea\u7279\u5fb4\u306e\u51e6\u7406:<\/strong> \u524d\u8ff0\u306e\u3088\u3046\u306b\u3001CatBoost \u306f\u30ab\u30c6\u30b4\u30ea\u6a5f\u80fd\u3092\u52b9\u679c\u7684\u306b\u51e6\u7406\u3067\u304d\u308b\u305f\u3081\u3001\u30ef\u30f3\u30db\u30c3\u30c8 \u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3084\u30e9\u30d9\u30eb \u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306a\u3069\u306e\u5927\u898f\u6a21\u306a\u524d\u51e6\u7406\u624b\u9806\u304c\u4e0d\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u6e96\u5099\u30d7\u30ed\u30bb\u30b9\u304c\u7c21\u7d20\u5316\u3055\u308c\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u30c7\u30fc\u30bf\u6f0f\u6d29\u3092\u9632\u304e\u3001\u904e\u5270\u9069\u5408\u306e\u30ea\u30b9\u30af\u3082\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u904e\u5270\u9069\u5408\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027:<\/strong> CatBoost \u3067\u63a1\u7528\u3055\u308c\u3066\u3044\u308b L2 \u6b63\u5247\u5316\u3084\u30e9\u30f3\u30c0\u30e0\u9806\u5217\u306a\u3069\u306e\u6b63\u5247\u5316\u624b\u6cd5\u306f\u3001\u30e2\u30c7\u30eb\u306e\u4e00\u822c\u5316\u3068\u904e\u5270\u9069\u5408\u306b\u5bfe\u3059\u308b\u5805\u7262\u6027\u306e\u5411\u4e0a\u306b\u8ca2\u732e\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u5c0f\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3084\u30ce\u30a4\u30ba\u306e\u591a\u3044\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u6271\u3046\u5834\u5408\u306b\u7279\u306b\u6709\u5229\u3067\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cf\u30a4\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff1a<\/strong> CatBoost \u306f\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2 \u30ea\u30bd\u30fc\u30b9\u3092\u52b9\u7387\u7684\u306b\u5229\u7528\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3084\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0 \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002\u4e26\u5217\u5316\u3084\u305d\u306e\u4ed6\u306e\u6700\u9069\u5316\u624b\u6cd5\u3092\u63a1\u7528\u3057\u3001\u4ed6\u306e\u591a\u304f\u306e\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u6bd4\u8f03\u3057\u3066\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u6642\u9593\u3092\u77ed\u7e2e\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u6b20\u640d\u5024\u306e\u51e6\u7406:<\/strong> CatBoost \u306f\u3001\u88dc\u5b8c\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u5165\u529b\u30c7\u30fc\u30bf\u5185\u306e\u6b20\u640d\u5024\u3092\u51e6\u7406\u3067\u304d\u307e\u3059\u3002\u30c4\u30ea\u30fc\u69cb\u7bc9\u4e2d\u306b\u6b20\u640d\u5024\u3092\u51e6\u7406\u3059\u308b\u30e1\u30ab\u30cb\u30ba\u30e0\u304c\u7d44\u307f\u8fbc\u307e\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u30b7\u30ca\u30ea\u30aa\u3067\u5805\u7262\u6027\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u81ea\u7136\u8a00\u8a9e\u51e6\u7406 (NLP) \u30b5\u30dd\u30fc\u30c8:<\/strong> CatBoost \u306f\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u76f4\u63a5\u64cd\u4f5c\u3067\u304d\u308b\u305f\u3081\u3001NLP \u30bf\u30b9\u30af\u3067\u7279\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u30ab\u30c6\u30b4\u30ea\u5909\u6570\u3092\u51e6\u7406\u3059\u308b\u6a5f\u80fd\u306f\u30c6\u30ad\u30b9\u30c8\u6a5f\u80fd\u306b\u3082\u62e1\u5f35\u3055\u308c\u3001\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306e\u6a5f\u80fd\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0 \u30d7\u30ed\u30bb\u30b9\u3092\u5408\u7406\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u3069\u306e\u3088\u3046\u306a\u7a2e\u985e\u306e CatBoost \u304c\u5b58\u5728\u3059\u308b\u304b\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u8a18\u8ff0\u306b\u306f\u8868\u3068\u30ea\u30b9\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/h2>\n<p>CatBoost \u306f\u3001\u7279\u5b9a\u306e\u30bf\u30b9\u30af\u3068\u30c7\u30fc\u30bf\u7279\u6027\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6700\u3082\u4e00\u822c\u7684\u306a\u7a2e\u985e\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>CatBoost\u5206\u985e\u5668:<\/strong> \u3053\u308c\u306f\u3001\u30d0\u30a4\u30ca\u30ea\u3001\u30de\u30eb\u30c1\u30af\u30e9\u30b9\u3001\u30de\u30eb\u30c1\u30e9\u30d9\u30eb\u306e\u5206\u985e\u554f\u984c\u3067\u4f7f\u7528\u3055\u308c\u308b\u6a19\u6e96\u7684\u306a\u5206\u985e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0 \u30c7\u30fc\u30bf\u304b\u3089\u5b66\u7fd2\u3057\u305f\u30d1\u30bf\u30fc\u30f3\u306b\u57fa\u3065\u3044\u3066\u3001\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u30af\u30e9\u30b9 \u30e9\u30d9\u30eb\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>CatBoost\u56de\u5e30\u5668:<\/strong> CatBoost \u306e\u56de\u5e30\u30d0\u30ea\u30a2\u30f3\u30c8\u306f\u3001\u9023\u7d9a\u3057\u305f\u6570\u5024\u3092\u4e88\u6e2c\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3059\u308b\u56de\u5e30\u30bf\u30b9\u30af\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u6c7a\u5b9a\u6728\u306e\u52a9\u3051\u3092\u501f\u308a\u3066\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5909\u6570\u3092\u8fd1\u4f3c\u3059\u308b\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>CatBoost\u30e9\u30f3\u30ad\u30f3\u30b0:<\/strong> CatBoost \u306f\u3001\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u306e\u7d50\u679c\u30e9\u30f3\u30ad\u30f3\u30b0\u3084\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3 \u30b7\u30b9\u30c6\u30e0\u306a\u3069\u306e\u30e9\u30f3\u30ad\u30f3\u30b0 \u30bf\u30b9\u30af\u306b\u3082\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002\u30e9\u30f3\u30ad\u30f3\u30b0 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u7279\u5b9a\u306e\u30af\u30a8\u30ea\u307e\u305f\u306f\u30e6\u30fc\u30b6\u30fc\u3068\u306e\u95a2\u9023\u6027\u306b\u57fa\u3065\u3044\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u9806\u5e8f\u4ed8\u3051\u308b\u3053\u3068\u3092\u5b66\u7fd2\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>CatBoost \u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u4f7f\u7528\u306b\u95a2\u9023\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u7b56\u3002<\/h2>\n<p>CatBoost \u306f\u3001\u7279\u5b9a\u306e\u6a5f\u68b0\u5b66\u7fd2\u30bf\u30b9\u30af\u306b\u5fdc\u3058\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u65b9\u6cd5\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002CatBoost \u306b\u95a2\u9023\u3059\u308b\u4e00\u822c\u7684\u306a\u4f7f\u7528\u4f8b\u3068\u8ab2\u984c\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<h3>\u4f7f\u7528\u4f8b:<\/h3>\n<ol>\n<li>\n<p><strong>\u5206\u985e\u30bf\u30b9\u30af:<\/strong> CatBoost \u306f\u30c7\u30fc\u30bf\u3092\u8907\u6570\u306e\u30af\u30e9\u30b9\u306b\u5206\u985e\u3059\u308b\u306e\u306b\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3042\u308a\u3001\u611f\u60c5\u5206\u6790\u3001\u4e0d\u6b63\u691c\u51fa\u3001\u753b\u50cf\u8a8d\u8b58\u306a\u3069\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u56de\u5e30\u30bf\u30b9\u30af:<\/strong> \u9023\u7d9a\u3057\u305f\u6570\u5024\u3092\u4e88\u6e2c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u3001CatBoost \u306e\u56de\u5e30\u95a2\u6570\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002\u682a\u4fa1\u4e88\u6e2c\u3001\u9700\u8981\u4e88\u6e2c\u3001\u305d\u306e\u4ed6\u306e\u56de\u5e30\u554f\u984c\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30e9\u30f3\u30ad\u30f3\u30b0\u3068\u63a8\u5968\u30b7\u30b9\u30c6\u30e0:<\/strong> CatBoost \u306e\u30e9\u30f3\u30ad\u30f3\u30b0 \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306f\u3001\u30d1\u30fc\u30bd\u30ca\u30e9\u30a4\u30ba\u3055\u308c\u305f\u63a8\u5968\u30b7\u30b9\u30c6\u30e0\u3084\u691c\u7d22\u7d50\u679c\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u958b\u767a\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h3>\u8ab2\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ol>\n<li>\n<p><strong>\u5927\u898f\u6a21\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8:<\/strong> \u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u304c\u5927\u304d\u3044\u5834\u5408\u3001CatBoost \u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u6642\u9593\u304c\u5927\u5e45\u306b\u9577\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3092\u514b\u670d\u3059\u308b\u306b\u306f\u3001CatBoost \u306e GPU \u30b5\u30dd\u30fc\u30c8\u307e\u305f\u306f\u8907\u6570\u306e\u30de\u30b7\u30f3\u3067\u306e\u5206\u6563\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u306e\u4f7f\u7528\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u306e\u4e0d\u5747\u8861:<\/strong> \u4e0d\u5747\u8861\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u306f\u3001\u30e2\u30c7\u30eb\u304c\u5c11\u6570\u30af\u30e9\u30b9\u3092\u6b63\u78ba\u306b\u4e88\u6e2c\u3059\u308b\u3053\u3068\u304c\u56f0\u96e3\u306b\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u554f\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30af\u30e9\u30b9\u91cd\u307f\u4ed8\u3051\u3001\u30aa\u30fc\u30d0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3001\u307e\u305f\u306f\u30a2\u30f3\u30c0\u30fc\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u8abf\u6574:<\/strong> CatBoost \u306f\u3001\u30e2\u30c7\u30eb\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u5e45\u5e83\u3044\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u30b0\u30ea\u30c3\u30c9\u691c\u7d22\u3084\u30e9\u30f3\u30c0\u30e0\u691c\u7d22\u306a\u3069\u306e\u624b\u6cd5\u3092\u4f7f\u7528\u3057\u3066\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u614e\u91cd\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3001\u6700\u826f\u306e\u7d50\u679c\u3092\u5f97\u308b\u305f\u3081\u306b\u91cd\u8981\u3067\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3084\u305d\u306e\u4ed6\u306e\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03\u3092\u8868\u3084\u30ea\u30b9\u30c8\u306e\u5f62\u5f0f\u3067\u793a\u3057\u307e\u3059\u3002<\/h2>\n<table>\n<thead>\n<tr>\n<th><strong>\u7279\u5fb4<\/strong><\/th>\n<th><strong>\u30ad\u30e3\u30c3\u30c8\u30d6\u30fc\u30b9\u30c8<\/strong><\/th>\n<th><strong>XG\u30d6\u30fc\u30b9\u30c8<\/strong><\/th>\n<th><strong>\u30e9\u30a4\u30c8GBM<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30ab\u30c6\u30b4\u30ea\u51e6\u7406<\/td>\n<td>\u30cd\u30a4\u30c6\u30a3\u30d6\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u30a8\u30f3\u30b3\u30fc\u30c9\u304c\u5fc5\u8981<\/td>\n<td>\u30a8\u30f3\u30b3\u30fc\u30c9\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u6b20\u640d\u5024\u306e\u53d6\u308a\u6271\u3044<\/td>\n<td>\u5185\u8535<\/td>\n<td>\u5e30\u5c5e\u304c\u5fc5\u8981<\/td>\n<td>\u5e30\u5c5e\u304c\u5fc5\u8981<\/td>\n<\/tr>\n<tr>\n<td>\u904e\u5270\u9069\u5408\u306e\u7de9\u548c<\/td>\n<td>L2 \u6b63\u898f\u5316<\/td>\n<td>\u6b63\u5247\u5316<\/td>\n<td>\u6b63\u5247\u5316<\/td>\n<\/tr>\n<tr>\n<td>GPU \u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<tr>\n<td>\u4e26\u884c\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u9650\u5b9a<\/td>\n<td>\u306f\u3044<\/td>\n<\/tr>\n<tr>\n<td>NLP\u30b5\u30dd\u30fc\u30c8<\/td>\n<td>\u306f\u3044<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>CatBoost \u306b\u95a2\u9023\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853\u3002<\/h2>\n<p>CatBoost \u306f\u4eca\u5f8c\u3082\u9032\u5316\u3092\u7d9a\u3051\u3001\u5c06\u6765\u7684\u306b\u306f\u3055\u3089\u306a\u308b\u6539\u5584\u3068\u6a5f\u80fd\u5f37\u5316\u304c\u5c0e\u5165\u3055\u308c\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002CatBoost \u306b\u95a2\u9023\u3059\u308b\u6f5c\u5728\u7684\u306a\u5c55\u671b\u3068\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u9ad8\u5ea6\u306a\u6b63\u898f\u5316\u624b\u6cd5:<\/strong> \u7814\u7a76\u8005\u306f\u3001CatBoost \u306e\u5805\u7262\u6027\u3068\u4e00\u822c\u5316\u6a5f\u80fd\u3092\u3055\u3089\u306b\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u3001\u3088\u308a\u6d17\u7df4\u3055\u308c\u305f\u6b63\u898f\u5316\u624b\u6cd5\u3092\u7814\u7a76\u3057\u3001\u958b\u767a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u89e3\u91c8\u53ef\u80fd\u306a\u30e2\u30c7\u30eb:<\/strong> CatBoost \u30e2\u30c7\u30eb\u306e\u89e3\u91c8\u53ef\u80fd\u6027\u3092\u9ad8\u3081\u3001\u30e2\u30c7\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u610f\u601d\u6c7a\u5b9a\u3092\u884c\u3046\u304b\u306b\u3064\u3044\u3066\u3088\u308a\u660e\u78ba\u306a\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3059\u308b\u305f\u3081\u306e\u53d6\u308a\u7d44\u307f\u304c\u884c\u308f\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u3068\u306e\u7d71\u5408:<\/strong> CatBoost \u306f\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0 \u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3068\u7d71\u5408\u3057\u3066\u3001\u8907\u96d1\u306a\u30bf\u30b9\u30af\u3067\u52fe\u914d\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u3068\u30c7\u30a3\u30fc\u30d7\u30e9\u30fc\u30cb\u30f3\u30b0\u306e\u4e21\u65b9\u306e\u9577\u6240\u3092\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 CatBoost \u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3001\u307e\u305f\u306f CatBoost \u306b\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5\u3002<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u7279\u306b\u5927\u898f\u6a21\u306a\u5206\u6563\u30b7\u30b9\u30c6\u30e0\u3092\u6271\u3046\u5834\u5408\u3084\u30ea\u30e2\u30fc\u30c8 \u30c7\u30fc\u30bf \u30bd\u30fc\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u5834\u5408\u306b\u3001CatBoost \u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 CatBoost \u3068\u4f75\u7528\u3059\u308b\u65b9\u6cd5\u306b\u306f\u3001\u6b21\u306e\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30c7\u30fc\u30bf\u53ce\u96c6\uff1a<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u53ce\u96c6\u8981\u6c42\u3092\u533f\u540d\u5316\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3067\u304d\u3001\u30c7\u30fc\u30bf\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u95a2\u3059\u308b\u61f8\u5ff5\u3092\u7ba1\u7406\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u5206\u6563\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0:<\/strong> \u5206\u6563\u578b\u6a5f\u68b0\u5b66\u7fd2\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3067\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30ce\u30fc\u30c9\u9593\u306e\u901a\u4fe1\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u5171\u6709\u3068\u30e2\u30c7\u30eb\u306e\u96c6\u7d04\u3092\u4fc3\u9032\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30ea\u30e2\u30fc\u30c8\u30c7\u30fc\u30bf\u30a2\u30af\u30bb\u30b9:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u5229\u7528\u3059\u308b\u3068\u3001\u3055\u307e\u3056\u307e\u306a\u5730\u7406\u7684\u306a\u5834\u6240\u304b\u3089\u30c7\u30fc\u30bf\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u305f\u3081\u3001CatBoost \u30e2\u30c7\u30eb\u3092\u3055\u307e\u3056\u307e\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3067\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>CatBoost \u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ol>\n<li>\u516c\u5f0f CatBoost \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8: <a href=\"https:\/\/catboost.ai\/docs\/\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/catboost.ai\/docs\/<\/a><\/li>\n<li>CatBoost GitHub \u30ea\u30dd\u30b8\u30c8\u30ea: <a href=\"https:\/\/github.com\/catboost\/catboost\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/github.com\/catboost\/catboost<\/a><\/li>\n<li>Yandex \u30ea\u30b5\u30fc\u30c1 \u30d6\u30ed\u30b0: <a href=\"https:\/\/research.yandex.com\/blog\/catboost\" target=\"_new\" rel=\"noopener nofollow\">https:\/\/research.yandex.com\/blog\/catboost<\/a><\/li>\n<\/ol>\n<p>CatBoost \u306e\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u306f\u62e1\u5927\u3057\u7d9a\u3051\u3066\u304a\u308a\u3001\u4e0a\u8a18\u306e\u30ea\u30f3\u30af\u304b\u3089\u3055\u3089\u306b\u591a\u304f\u306e\u30ea\u30bd\u30fc\u30b9\u3084\u7814\u7a76\u8ad6\u6587\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u6a5f\u68b0\u5b66\u7fd2\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b CatBoost \u3092\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u3067\u3001\u7279\u306b\u30ab\u30c6\u30b4\u30ea\u30c7\u30fc\u30bf\u3084\u8907\u96d1\u306a\u73fe\u5b9f\u4e16\u754c\u306e\u8ab2\u984c\u3092\u6271\u3046\u5834\u5408\u306b\u3001\u3088\u308a\u6b63\u78ba\u3067\u52b9\u7387\u7684\u306a\u30e2\u30c7\u30eb\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"featured_media":467832,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476182","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>CatBoost: Revolutionizing Machine Learning with Superior Boosting<\/mark>","faq_items":[{"question":"What is CatBoost?","answer":"<p>CatBoost is an open-source gradient boosting library developed by Yandex, designed to handle categorical features efficiently without extensive data preprocessing. It is widely used in machine learning tasks like classification, regression, and ranking.<\/p>"},{"question":"How did CatBoost originate?","answer":"<p>CatBoost was developed by Yandex in 2017 to address the limitations of traditional gradient boosting algorithms in handling categorical variables. It introduced the concept of ordered boosting, which optimizes the treatment of categorical features and reduces the need for data preprocessing.<\/p>"},{"question":"What are the key features of CatBoost?","answer":"<p>CatBoost offers several unique features, including native handling of categorical features, robustness to overfitting with L2 regularization, high performance with GPU support, and the ability to work with missing values without imputation. Additionally, it supports natural language processing (NLP) tasks with text data.<\/p>"},{"question":"What types of CatBoost algorithms exist?","answer":"<p>CatBoost offers different types of algorithms, such as CatBoost Classifier for classification tasks, CatBoost Regressor for regression tasks, and CatBoost Ranking for ranking and recommendation systems.<\/p>"},{"question":"How can I use CatBoost in my machine learning projects?","answer":"<p>CatBoost can be used for a variety of tasks, including classification, regression, and ranking. It is particularly useful when dealing with categorical data and large datasets. Be sure to tune hyperparameters and handle data imbalance appropriately to get the best results.<\/p>"},{"question":"How does CatBoost compare to other boosting libraries like XGBoost and LightGBM?","answer":"<p>CatBoost stands out for its native handling of categorical features, making it more convenient than XGBoost and LightGBM, which require preprocessing. It also provides L2 regularization, GPU support, and parallel training, giving it an edge in terms of performance and flexibility.<\/p>"},{"question":"What are the future perspectives of CatBoost?","answer":"<p>The future of CatBoost could see advancements in regularization techniques, increased interpretability of models, and integration with deep learning architectures. These developments will further enhance its capabilities and applications.<\/p>"},{"question":"How can proxy servers be associated with CatBoost?","answer":"<p>Proxy servers can be used with CatBoost in distributed machine learning setups to facilitate data sharing and model aggregation. They also enable accessing remote data sources and handling privacy concerns in data collection.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476182\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/467832"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476182"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}