{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/n/nhn-techorus/20261006/20261006174255.png","blog_url":"https://journal.nhn-techorus.com/","author_name":"nhn-techorus","description":"\u3053\u3093\u306b\u3061\u306f\u3002\u30c7\u30fc\u30bf\u30b5\u30a4\u30a8\u30f3\u30b9\u30c1\u30fc\u30e0\u306e t2sy \u3067\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u591a\u304f\u306e\u6a5f\u68b0\u5b66\u7fd2\u30bf\u30b9\u30af\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b GBDT (Gradient Boosting Decision Tree) \u3092\u624b\u3092\u52d5\u304b\u3057\u3066\u5b9f\u88c5\u30fb\u5b9f\u9a13\u3059\u308b\u3053\u3068\u3067\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u307e\u3059\u3002 \u74b0\u5883\u306f Python 3.7.2\u3001 NumPy 1.15.4 \u3067\u3059\u3002 GBDT \u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0 (Boosting) \u306f\u5f31\u5b66\u7fd2\u5668 (weak learner) \u306e\u5b66\u7fd2\u3092\u9010\u6b21\u7684\u306b\u884c\u3044\u5f37\u5b66\u7fd2\u5668\u306b\u5c0e\u304f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u6307\u3057\u307e\u3059\u3002GBDT \u306f\u640d\u5931\u95a2\u6570\u306e\u52fe\u914d\u3092\u7528\u3044\u305f\u30d6\u30fc\u30b9\u30c6\u30a3\u30f3\u30b0\u3067\u5f31\u5b66\u7fd2\u5668\u306b\u6c7a\u5b9a\u6728\u3092\u7528\u3044\u307e\u3059\u3002 \u4ee3\u8868\u7684\u306a GBDT \u306e\u5b9f\u88c5\u306b\u306f\u4ee5\u4e0b\u304c\u3042\u308a\u307e\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fjournal.nhn-techorus.com%2Fentry%2Farchives%2F14801\" title=\"\u624b\u3092\u52d5\u304b\u3057\u3066 GBDT \u3092\u7406\u89e3\u3057\u3066\u307f\u308b - Chorus Journal | NHN \u30c6\u30b3\u30e9\u30b9\u304c\u304a\u5c4a\u3051\u3059\u308b\u6280\u8853\u30e1\u30c7\u30a3\u30a2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"Chorus Journal | NHN \u30c6\u30b3\u30e9\u30b9\u304c\u304a\u5c4a\u3051\u3059\u308b\u6280\u8853\u30e1\u30c7\u30a3\u30a2","width":"100%","height":"190","provider_url":"https://hatena.blog","categories":["AI\u30fb\u30c7\u30fc\u30bf"],"url":"https://journal.nhn-techorus.com/entry/archives/14801","version":"1.0","provider_name":"Hatena Blog","title":"\u624b\u3092\u52d5\u304b\u3057\u3066 GBDT \u3092\u7406\u89e3\u3057\u3066\u307f\u308b","type":"rich","published":"2019-05-24 10:00:45","author_url":"https://blog.hatena.ne.jp/nhn-techorus/"}