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54 Commits

Author SHA1 Message Date
Jiaming Yuan
017c97b8ce
Clean up training code. (#3825) 
* Remove GHistRow, GHistEntry, GHistIndexRow.
* Remove kSimpleStats.
* Remove CheckInfo, SetLeafVec in GradStats and in SKStats.
* Clean up the GradStats.
* Cleanup calcgain.
* Move LossChangeMissing out of common.
* Remove [] operator from GHistIndexBlock.
 2019-02-07 14:22:13 +08:00
Rory Mitchell
84c99f86f4
Combine TreeModel and RegTree (#3995) 2018-12-19 12:16:40 +13:00
Rory Mitchell
3d81c48d3f
Remove leaf vector, add tree serialisation test, fix Windows tests (#3989) 2018-12-13 10:28:38 +13:00
Jiaming Yuan
19ee0a3579
Refactor fast-hist, add tests for some updaters. (#3836) 
Add unittest for prune.

Add unittest for refresh.

Refactor fast_hist.

* Remove fast_hist_param.
* Rename to quantile_hist.

Add unittests for QuantileHist.

* Refactor QuantileHist into .h and .cc file.
* Remove sync.h.
* Remove MGPU_mock test.

Rename fast hist method to quantile hist.
 2018-11-07 21:15:07 +13:00