{"title":"Python: category_encoders \u306e CatBoostEncoder \u3092\u7528\u3044\u305f OrderedTS \u306e\u7b97\u51fa\u3068\u591a\u5024\u5206\u985e\u30bf\u30b9\u30af\u3078\u306e\u62e1\u5f35\u306b\u3064\u3044\u3066","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.amedama.jp%2Fentry%2Fcat-boost-encoder\" title=\"Python: category_encoders \u306e CatBoostEncoder \u3092\u7528\u3044\u305f OrderedTS \u306e\u7b97\u51fa\u3068\u591a\u5024\u5206\u985e\u30bf\u30b9\u30af\u3078\u306e\u62e1\u5f35\u306b\u3064\u3044\u3066 - CUBE SUGAR CONTAINER\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u30c7\u30fc\u30bf\u5206\u6790\u30b3\u30f3\u30da\u306a\u3069\u3067\u3088\u304f\u5229\u7528\u3055\u308c\u308b Target Encoding \u3068\u3044\u3046\u7279\u5fb4\u91cf\u62bd\u51fa (Feature Extraction) \u306e\u624b\u6cd5\u304c\u3042\u308b\u3002 \u3053\u308c\u306f\u3001\u30bf\u30fc\u30b2\u30c3\u30c8 (\u76ee\u7684\u5909\u6570) \u306e\u60c5\u5831\u306b\u57fa\u3065\u3044\u3066\u3001\u30ab\u30c6\u30b4\u30ea\u5909\u6570\u3054\u3068\u306e\u671f\u5f85\u5024\u3092\u8aac\u660e\u5909\u6570\u3068\u3057\u3066\u5229\u7528\u3059\u308b\u3082\u306e\u3002 Target Encoding \u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u8a08\u7b97\u65b9\u6cd5\u304c\u3042\u308a\u3001\u4e2d\u306b\u306f\u30ea\u30fc\u30af (Data Leakage) \u306e\u30ea\u30b9\u30af\u304c\u5927\u304d\u3044\u3082\u306e\u3082\u3042\u308b\u3002 \u8a73\u3057\u304f\u306f\u3001\u3053\u306e\u30d6\u30ed\u30b0\u3067\u3082\u4ee5\u4e0b\u306e\u30a8\u30f3\u30c8\u30ea\u3067\u8ff0\u3079\u3066\u3044\u308b\u3002 blog.amedama.jp \u4eca\u56de\u306e\u30a8\u30f3\u30c8\u30ea\u3067\u306f\u3001\u3044\u304f\u3064\u304b\u3042\u308b\u8a08\u7b97\u65b9\u6cd5\u306e\u4e2d\u3067\u3082 OrderedTS (Ordered Target Statistics\u2026","provider_url":"https://hatena.blog","type":"rich","author_url":"https://blog.hatena.ne.jp/momijiame/","published":"2022-10-31 12:00:00","width":"100%","blog_url":"https://blog.amedama.jp/","image_url":"https://m.media-amazon.com/images/I/418YjfYRlhL._SL500_.jpg","url":"https://blog.amedama.jp/entry/cat-boost-encoder","provider_name":"Hatena Blog","version":"1.0","categories":["\u6a5f\u68b0\u5b66\u7fd2","pandas","\u7d71\u8a08","Python","macOS"],"height":"190","author_name":"momijiame","blog_title":"CUBE SUGAR CONTAINER"}