2.5.5. Categorical Boosting (CatBoost)

PC Po-Fan Chiu
RC Robert Chen-Hao Chang
YL Yung-Chi Lai
KW Kuo-Chen Wu
KW Kuan-Pin Wang
YC You-Pen Chiu
HJ Hui-Ru Ji
CK Chia-Hung Kao
CC Cheng-Di Chiu
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CatBoost is a gradient boosting library based on binary decision trees. Target leakage and prediction shifts are avoided by grouping categories with target statistics (TS). The log loss and zero-one loss were better than the traditional greedy algorithm.

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