xgboost

Author	SHA1	Message	Date
WeichenXu	53d2a733b0	[pyspark] Make Xgboost estimator support using sparse matrix as optimization (#8145 ) Signed-off-by: Weichen Xu <weichen.xu@databricks.com>	2022-08-19 01:57:28 +08:00
Bobby Wang	03cc3b359c	[pyspark] support a list of feature column names (#8117 )	2022-08-08 17:05:27 +08:00
Jiaming Yuan	546de5efd2	[pyspark] Cleanup data processing. (#8088 ) - Use numpy stack for handling list of arrays. - Reuse concat function from dask. - Prepare for `QuantileDMatrix`. - Remove unused code. - Use iterator for prediction to avoid initializing xgboost model	2022-07-26 15:00:52 +08:00
WeichenXu	176fec8789	PySpark XGBoost integration (#8020 ) Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu> Co-authored-by: Jiaming Yuan <jm.yuan@outlook.com>	2022-07-13 13:11:18 +08:00