Nan Zhu 74db1e8867 [jvm-packages] remove APIs with DMatrix from xgboost-spark (#1519)
* test consistency of prediction functions between DMatrix and RDD

* remove APIs with DMatrix from xgboost-spark

* fix compilation error in xgboost4j-example

* fix test cases
2016-08-28 21:25:49 -04:00
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