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4 Commits

Author SHA1 Message Date
Rory Mitchell
a96039141a
Dmatrix refactor stage 1 (#3301) 
* Use sparse page as singular CSR matrix representation

* Simplify dmatrix methods

* Reduce statefullness of batch iterators

* BREAKING CHANGE: Remove prob_buffer_row parameter. Users are instead recommended to sample their dataset as a preprocessing step before using XGBoost.
 2018-06-07 10:25:58 +12:00
Rory Mitchell
ccf80703ef
Clang-tidy static analysis (#3222) 
* Clang-tidy static analysis

* Modernise checks

* Google coding standard checks

* Identifier renaming according to Google style
 2018-04-19 18:57:13 +12:00
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