xgboost

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Jiaming Yuan d9a47794a5 Fix CPU hist init for sparse dataset. (#4625 )

* Fix CPU hist init for sparse dataset.

* Implement sparse histogram cut.
* Allow empty features.

* Fix windows build, don't use sparse in distributed environment.

* Comments.

* Smaller threshold.

* Fix windows omp.

* Fix msvc lambda capture.

* Fix MSVC macro.

* Fix MSVC initialization list.

* Fix MSVC initialization list x2.

* Preserve categorical feature behavior.

* Rename matrix to sparse cuts.
* Reuse UseGroup.
* Check for categorical data when adding cut.

Co-Authored-By: Philip Hyunsu Cho <chohyu01@cs.washington.edu>

* Sanity check.

* Fix comments.

* Fix comment.

2019-07-04 16:27:03 -07:00

c_api

Fix CPU hist init for sparse dataset. (#4625 )

2019-07-04 16:27:03 -07:00

common

Fix CPU hist init for sparse dataset. (#4625 )

2019-07-04 16:27:03 -07:00

data

Fix CPU hist init for sparse dataset. (#4625 )

2019-07-04 16:27:03 -07:00

gbm

Offload some configurations into GBM. (#4553 )