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Author SHA1 Message Date
Vadim Khotilovich
b4d97d3cb8 R maintenance Feb2017 (#2045) 
* [R] better argument check in xgb.DMatrix; fixes #1480

* [R] showsd was a dummy; fixes #2044

* [R] better categorical encoding explanation in vignette; fixes #1989

* [R] new roxygen version docs update
 2017-02-20 10:02:40 -08:00
Vadim Khotilovich
71f402ac16 convert S4 to S3; add some extra methods to DMatrix 2016-03-27 19:22:22 -05:00