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Author SHA1 Message Date
Rory Mitchell
10eb05a63a
Refactor linear modelling and add new coordinate descent updater (#3103) 
* Refactor linear modelling and add new coordinate descent updater

* Allow unsorted column iterator

* Add prediction cacheing to gblinear
 2018-02-17 09:17:01 +13:00
AbdealiJK
d6407c3746 tests/cpp: Add tests for SparsePageDMatrix 
The SparsePageDMatrix or external memory DMatrix reads data from the
file IO rather than load it into RAM.
 2016-12-04 11:25:57 -08:00