3 Commits

Author SHA1 Message Date
Jiaming Yuan
ab5b35134f
Rework Python callback functions. (#6199)
* Define a new callback interface for Python.
* Deprecate the old callbacks.
* Enable early stopping on dask.
2020-10-10 17:52:36 +08:00
Jiaming Yuan
b5f52f0b1b
Validate weights are positive values. (#6115) 2020-09-15 09:03:55 +08:00
Jiaming Yuan
a3ec964346
Accept iterator in device dmatrix. (#5783)
* Remove Device DMatrix.
2020-07-07 21:44:48 +08:00