basic_walkthrough               Basic feature walkthrough
caret_wrapper                   Use xgboost to train in caret library
custom_objective                Cutomize loss function, and evaluation metric
boost_from_prediction           Boosting from existing prediction
predict_first_ntree             Predicting using first n trees
generalized_linear_model        Generalized Linear Model
cross_validation                Cross validation
create_sparse_matrix            Create Sparse Matrix
predict_leaf_indices            Predicting the corresponding leaves
early_stopping                  Early Stop in training
poisson_regression              Poisson Regression on count data
tweedie_regression              Tweddie Regression
