{"published":"2020-05-15 05:24:18","author_name":"kaeru_nantoka_py","title":"\u56de\u5e30\u554f\u984c\u3067\u76ee\u7684\u95a2\u6570\u3092\u5bfe\u6570\u5909\u63db\u3057\u3066\u4f7f\u3046\u624b\u6cd5\u306b\u3064\u3044\u3066","blog_title":"\u304b\u3048\u308b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d6\u30ed\u30b0","categories":[],"type":"rich","version":"1.0","description":"\u8868\u984c\u306e\u5185\u5bb9\u306e\u81ea\u5206\u7528\u306e\u5099\u5fd8\u9332\u3067\u3059\u3002 \u56de\u5e30\u554f\u984c\u3067\u76ee\u7684\u5909\u6570\u306e log1p \u3092\u53d6\u3063\u305f\u3082\u306e (log \u3067\u306f\u306a\u304f) \u3092\u65b0\u3057\u304f\u76ee\u7684\u5909\u6570\u306b\u636e\u3048\u3066\u5b66\u7fd2\u3092\u9032\u3081\u308b\u624b\u6cd5\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u52c9\u5f37\u306e\u305f\u3081\u306b kaggle \u306a\u3069\u3067\u8a00\u53ca\u3055\u308c\u3066\u3044\u308b\u7b87\u6240\u3092\u307e\u3068\u3081\u307e\u3057\u305f\u3002 \u30e1\u30e2 (\u8a55\u4fa1\u95a2\u6570\u304c RMSLE \u306e\u6642) target \u306e log \u3092\u76ee\u7684\u5909\u6570\u306b\u636e\u3048\u308b\u3068 RMSE \u3092\u76ee\u7684\u95a2\u6570\u306b\u3057\u3066\u5b66\u7fd2\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b log \u5909\u63db\u306b\u3088\u3063\u3066 scaling \u4f5c\u7528\u304c\u671f\u5f85\u3067\u304d\u308b \u5927\u304d\u3044\u5024\u306e\u5916\u308c\u5024\u306e\u5f71\u97ff\u3092\u8efd\u6e1b\u3067\u304d\u308b \u5c0f\u3055\u3044\u5024\u306e\u30d0\u30e9\u3064\u304d\u3092\u5f37\u8abf\u3057\u306a\u304f\u306a\u308b input value \u304c\u5c0f\u3055\u3044\u5834\u5408\u306f np.expm1 \u3092\u4ee3\u308f\u308a\u306b\u4f7f\u7528\u3067\u304d\u308b log1p \u3092\u4f7f\u7528\u3059\u308b\u306e\u306f \u2026","url":"https://kaeru-nantoka.hatenablog.com/entry/2020/05/15/052418","provider_url":"https://hatena.blog","height":"190","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kaeru_nantoka_py/20200515/20200515052157.png","width":"100%","provider_name":"Hatena Blog","blog_url":"https://kaeru-nantoka.hatenablog.com/","author_url":"https://blog.hatena.ne.jp/kaeru_nantoka_py/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkaeru-nantoka.hatenablog.com%2Fentry%2F2020%2F05%2F15%2F052418\" title=\"\u56de\u5e30\u554f\u984c\u3067\u76ee\u7684\u95a2\u6570\u3092\u5bfe\u6570\u5909\u63db\u3057\u3066\u4f7f\u3046\u624b\u6cd5\u306b\u3064\u3044\u3066 - \u304b\u3048\u308b\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}