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2 Commits

Author SHA1 Message Date
Vadim Khotilovich
693ddb860e More robust DMatrix creation from a sparse matrix (#1606) 
* [CORE] DMatrix from sparse w/ explicit #col #row; safer arg types

* [python-package] c-api change for _init_from_csr _init_from_csc

* fix spaces

* [R-package] adopt the new XGDMatrixCreateFromCSCEx interface

* [CORE] redirect old sparse creators to new ones
 2016-09-25 10:01:22 -07:00
Vadim Khotilovich
4b760762f9 added unit tests for xgb.DMatrix 2016-03-27 19:23:08 -05:00