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

..

test_data.cc

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

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

test_metainfo.cc

Fix #3708: Use dmlc::TemporaryDirectory to handle temporaries in cross-platform way (#3783)

2018-10-18 10:16:04 -07:00

test_simple_csr_source.cc

Fix #3708: Use dmlc::TemporaryDirectory to handle temporaries in cross-platform way (#3783)

2018-10-18 10:16:04 -07:00

test_simple_dmatrix.cc

Fix clang-tidy warnings. (#4149)

2019-03-13 02:25:51 +08:00

test_sparse_page_dmatrix.cc

Fix external memory for get column batches. (#4622)

2019-06-30 09:56:49 +08:00