Tianchi-IJCAI-18 Alimama's search advertising conversion prediction novice experience (two: average coding, PCA dimensionality reduction, catboost, Lr+xgboost)

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Tianchi-IJCAI-18 Alimama's search advertising conversion prediction novice experience (two: average coding, PCA dimensionality reduction, catboost, Lr+xgboost)

Tianchi-IJCAI-18 Alimama's search advertising conversion prediction beginner experience (3: lightgbm parameter adjustment, ensemble)

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