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
..
2018-10-01 01:29:03 +13:00
2019-01-11 09:33:15 +02:00
2019-02-07 14:22:13 +08:00
2016-12-04 11:25:57 -08:00