Nan Zhu 31d1baba3d [jvm-packages] Tutorial of XGBoost4J-Spark (#3534) ...

* add back train method but mark as deprecated

* add back train method but mark as deprecated

* fix scalastyle error

* fix scalastyle error

* add new

* update doc

* finish Gang Scheduling

* more

* intro

* Add sections: Prediction, Model persistence and ML pipeline.

* Add XGBoost4j-Spark MLlib pipeline example

* partial finished version

* finish the doc

* adjust code

* fix the doc

* use rst

* Convert XGBoost4J-Spark tutorial to reST

* Bring XGBoost4J up to date

* add note about using hdfs

* remove duplicate file

* fix descriptions

* update doc

* Wrap HDFS/S3 export support as a note

* update

* wrap indexing_mode example in code block

2018-08-03 21:17:50 -07:00

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