Nan Zhu 4ae225a08d
[Blocking][jvm-packages] fix the early stopping feature (#3808)
* add back train method but mark as deprecated

* add back train method but mark as deprecated

* add back train method but mark as deprecated

* add back train method but mark as deprecated

* fix scalastyle error

* fix scalastyle error

* fix scalastyle error

* fix scalastyle error

* temp

* add method for classifier and regressor

* update tutorial

* address the comments

* update
2018-10-23 14:53:13 -07:00
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