v30v66 v56v66 v112v30 v22v31 v30v75 v56v75 v112v31 v22v47 v30v79 v56v79 v112v47 v22v52 v30v91 v56v91 v112v52 v22v56 v31v47 v66v75 v112v56 v22v66 v31v52 v66v79 v112v66 v22v75 v31v56 v66v91 v112v75 v22v79 v31v66 v75v79 v112v79 v22v91 v31v75 v75v91 v112v91 v24v30 v31v79 v79v91 v113v22 v24v31 v31v91 v113v24 v24v47 v47v52 v113v30 v24v52 v47v56 v113v31 v24v56 v47v66 v113v47 v24v66 v47v75 v113v52 v24v75 v47v79 v113v56 v24v79 v47v91 v113v66 v24v91 v52v56 v113v75 v30v31 v52v66 v113v79 v30v47 v52v75 まずはXGBoostでEncodingの効果を確認 ※hyperparameterは他ライブラリとの比較のため最適値ではない Label Encoding (アルファベット順で番号付け) logloss 順位 4-fold CV 0.46420 - Public LB 0.46185 1687 Private LB 0.46044 1689 logloss 順位 logloss 順位 素のXGBoost (特徴設計無し) 特徴選択+ カテゴリ変数同士の 結合変数を追加 結合変数を さらに追加 結合変数を さらに追加 v22v112v113 v22v24v31 v22v31v91 v22v112v24 v22v24v47 v22v47v52 v22v112v30 v22v24v52 v22v47v56 v22v112v31 v22v24v56 v22v47v66 v22v112v47 v22v24v66 v22v47v75 v22v112v52 v22v24v75 v22v47v79 v22v112v56 v22v24v79 v22v47v91 v22v112v66 v22v24v91 v22v52v56 v22v112v75 v22v30v31 v22v52v66 v22v112v79 v22v30v47 v22v52v75 v22v112v91 v22v30v52 v22v52v79 v22v113v24 v22v30v56 v22v52v91 v22v113v30 v22v30v66 v22v56v66 v22v113v31 v22v30v75 v22v56v75 v22v113v47 v22v30v79 v22v56v79 v22v113v52 v22v30v91 v22v56v91 v22v113v56 v22v31v47 v22v66v75 v22v113v66 v22v31v52 v22v66v79 v22v113v75 v22v31v56 v22v66v91 v22v113v79 v22v31v66 v22v75v79 v22v113v91 v22v31v75 v22v75v91 v22v24v30 v22v31v79 v22v79v91 v22v112v113v24v30v31v47v52v56v66v75 v22v112v113v24v30v31v47v52v56v66v79 v22v112v113v24v30v31v47v52v56v66v91 v22v112v113v24v30v31v47v52v56v75v79 v22v112v113v24v30v31v47v52v56v75v91 v22v112v113v24v30v31v47v52v56v79v91 v22v112v113v24v30v31v47v52v66v75v79 v22v112v113v24v30v31v47v52v66v75v91 v22v112v113v24v30v31v47v52v66v79v91 v22v112v113v24v30v31v47v52v75v79v91 v22v112v113v24v30v31v47v56v66v75v79 v22v112v113v24v30v31v47v56v66v75v91 v22v112v113v24v30v31v47v56v66v79v91 v22v112v113v24v30v31v47v56v75v79v91 v22v112v113v24v30v31v47v66v75v79v91 v22v112v113v24v30v31v52v56v66v75v79 v22v112v113v24v30v31v52v56v66v75v91 v22v112v113v24v30v31v52v56v66v79v91 v22v112v113v24v30v31v52v56v75v79v91 v22v112v113v24v30v31v52v66v75v79v91 v22v112v113v24v30v31v56v66v75v79v91 : *max_depth=8 *max_depth=8 *max_depth=8 *max_depth=8 logloss 順位