- First, using gbdt+lr in recommend system and comparing the auc of lr, gbdt, gbdt+lr.
- Second, using hyperopt-sklearn to automatically tune the hyperparameters of gbdt.
- Data is private and not available, but just the commonly used in recsys(the commonly used libsvm format data file).
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Using gbdt+lr in recommend system and comparing the auc of lr, gbdt, gbdt+lr.
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