Mischa Lisovyi questions

Mischa Lisovyi answers

• Grid search with LightGBM regression
• Using sample weights for training xgboost (0.7) classifier
• xgboost.train probability output needed
• xgboost.train versus XGBClassifier
• Interpreting sklearns' GridSearchCV best score
• How to speed up nested cross validation in python?
• XGboost: cannot pass validation data for eval_set in pipeline
• How Bagging in LightGBM works
• xgboost predict_proba : How to do the mapping between the probabilities and the labels
• Why does `categorical_feature` of lightgbm not work?