{"height":"190","title":"Python: Target Encoding \u306e\u3084\u308a\u65b9\u306b\u3064\u3044\u3066","categories":["Python","\u6a5f\u68b0\u5b66\u7fd2","\u7d71\u8a08","pandas","NumPy"],"provider_url":"https://hatena.blog","published":"2019-10-31 23:26:30","provider_name":"Hatena Blog","url":"https://blog.amedama.jp/entry/target-mean-encoding-types","author_url":"https://blog.hatena.ne.jp/momijiame/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.amedama.jp%2Fentry%2Ftarget-mean-encoding-types\" title=\"Python: Target Encoding \u306e\u3084\u308a\u65b9\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>","version":"1.0","author_name":"momijiame","width":"100%","blog_title":"CUBE SUGAR CONTAINER","image_url":"https://images-fe.ssl-images-amazon.com/images/I/41zp6hN7f%2BL._SL160_.jpg","blog_url":"https://blog.amedama.jp/","description":"\u30c7\u30fc\u30bf\u5206\u6790\u30b3\u30f3\u30da\u3067\u306f Target Encoding \u3068\u3044\u3046\u7279\u5fb4\u91cf\u62bd\u51fa\u306e\u624b\u6cd5\u304c\u7528\u3044\u3089\u308c\u308b\u3053\u3068\u304c\u3042\u308b\u3002 Target Encoding \u3067\u306f\u3001\u4e00\u822c\u7684\u306b\u8aac\u660e\u5909\u6570\u306b\u542b\u307e\u308c\u308b\u30ab\u30c6\u30b4\u30ea\u5909\u6570\u3068\u76ee\u7684\u5909\u6570\u3092\u5143\u306b\u3057\u3066\u7279\u5fb4\u91cf\u3092\u4f5c\u308a\u51fa\u3059\u3002 \u30c7\u30fc\u30bf\u306b\u3088\u3063\u3066\u306f\u5f37\u529b\u306a\u53cd\u9762\u3001\u76ee\u7684\u5909\u6570\u3092\u30a8\u30f3\u30b3\u30fc\u30c9\u306b\u7528\u3044\u308b\u305f\u3081\u30ea\u30fc\u30af\u3082\u751f\u3058\u3084\u3059\u304f\u6271\u3044\u304c\u96e3\u3057\u3044\u3002 \u4eca\u56de\u306f\u3001\u305d\u3093\u306a Target Encoding \u306e\u3084\u308a\u65b9\u306b\u3082\u3044\u304f\u3064\u304b\u7a2e\u985e\u304c\u3042\u308b\u3053\u3068\u3092\u77e5\u3063\u305f\u306e\u3067\u7d39\u4ecb\u3057\u3066\u307f\u308b\u3002 \u5143\u30cd\u30bf\u306f CatBoost \u306e\u8ad6\u6587\u304b\u3089\u3002 CatBoost: unbiased boosting with categorical features (PDF) \u4f7f\u3063\u305f\u74b0\u5883\u306f\u6b21\u306e\u2026"}