{"categories":["DL"],"title":"\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","url":"https://htn20190109.hatenablog.com/entry/2025/11/24/102248","width":"100%","image_url":null,"author_name":"HTN20190109","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2025%2F11%2F24%2F102248\" title=\"\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","description":"https://qiita.com/FJyusk56/items/0649f4362587261bd57a \u30fbXGBoost\u306e\u30cf\u30a4\u30d1\u30fc\u30d1\u30e9\u30e1\u30fc\u30bf nrounds\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u56de\u6570(\u6c7a\u5b9a\u6728\u306e\u672c\u6570) eta\u5b66\u7fd2\u7387 gamma\u6c7a\u5b9a\u6728\u306e\u8449\u306e\u8ffd\u52a0\u306b\u3088\u308b\u640d\u5931\u6e1b\u5c11\u306e\u4e0b\u9650\u3002\u8449\u306e\u6570\u306b\u5bfe\u3059\u308b\u30da\u30ca\u30eb\u30c6\u30a3\u30fc max_depth\u6c7a\u5b9a\u6728\u306e\u6df1\u3055\u306e\u6700\u5927\u5024 min_child_weight\u6c7a\u5b9a\u6728\u306e\u8449\u306e\u91cd\u307f\u306e\u4e0b\u9650 subsample\u5404\u6c7a\u5b9a\u6728\u306b\u304a\u3044\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u62bd\u51fa\u3055\u308c\u308b\u6a19\u672c(\u30c7\u30fc\u30bf)\u306e\u5272\u5408 colsample_bytree\u5404\u6c7a\u5b9a\u6728\u306b\u304a\u3044\u3066\u30e9\u30f3\u30c0\u30e0\u306b\u62bd\u51fa\u3055\u308c\u308b\u5217\u306e\u5272\u5408 lambda [\u30c7\u30d5\u30a9\u30eb\u30c8 = 1]\u6c7a\u5b9a\u6728\u306e\u8449\u306e\u91cd\u307f\u306b\u95a2\u3059\u2026","blog_title":"HTN20190109\u306e\u65e5\u8a18","blog_url":"https://htn20190109.hatenablog.com/","type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/HTN20190109/","published":"2025-11-24 10:22:48"}