Jiaming Yuan 83a66b4994
Support categorical data for hist. (#7695)
* Extract partitioner from hist.
* Implement categorical data support by passing the gradient index directly into the partitioner.
* Organize/update document.
* Remove code for negative hessian.
2022-02-25 03:47:14 +08:00
..
2022-01-10 21:15:05 +08:00
2022-01-28 16:09:22 +08:00
2022-01-28 16:09:22 +08:00
2020-08-12 01:26:02 -07:00