{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/microad-developers/20251117/20251117195501.png","title":"CTR\u4e88\u6e2c\u3067\u3082 Target Encoding \u306f\u5927\u4e8b\u3060\u3068\u3044\u3046\u8a71","type":"rich","provider_name":"Hatena Blog","author_name":"maeda_shugo","height":"190","provider_url":"https://hatena.blog","categories":["CTR\u4e88\u6e2c","\u6a5f\u68b0\u5b66\u7fd2"],"width":"100%","published":"2025-11-21 18:00:00","blog_title":"MicroAd Developers Blog","version":"1.0","url":"https://developers.microad.co.jp/entry/2025/11/21/180000","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdevelopers.microad.co.jp%2Fentry%2F2025%2F11%2F21%2F180000\" title=\"CTR\u4e88\u6e2c\u3067\u3082 Target Encoding \u306f\u5927\u4e8b\u3060\u3068\u3044\u3046\u8a71 - MicroAd Developers Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/maeda_shugo/","description":"\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3002\u30de\u30a4\u30af\u30ed\u30a2\u30c9\u3067\u6a5f\u68b0\u5b66\u7fd2\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u3057\u3066\u3044\u308b\u524d\u7530\u3001\u7c00\u6cb3\u539f\u3067\u3059\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30de\u30a4\u30af\u30ed\u30a2\u30c9\u306b\u304a\u3051\u308b Click Through Rate (CTR) \u4e88\u6e2c\u306e\u7cbe\u5ea6\u304a\u3088\u3073\u5b89\u5b9a\u6027\u5411\u4e0a\u306e\u305f\u3081\u306b Target Encoding \u3092\u6d3b\u7528\u3057\u305f\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002 \u306f\u3058\u3081\u306b CTR\u4e88\u6e2c\u3068\u306f Target Encoding Greedy Target Encoding Leave-one-out Target Encoding K-fold Target Encoding Holdout Target Encoding Ordered Target Encoding \u30de\u30a4\u30af\u30ed\u30a2\u30c9\u306b\u304a\u3051\u308b\u4e8b\u4f8b \u2026","blog_url":"https://developers.microad.co.jp/"}