4 Commits

Author	SHA1	Message	Date
Xu Xiao	4c74336384	Use feature interaction constraints to narrow search space for split candidates (#4341) ... * Use feature interaction constraints to narrow search space for split candidates. * fix clang-tidy broken at updater_quantile_hist.cc:535:3 * make const * fix * try to fix exception thrown in java_test * fix suspected mistake which cause EvaluateSplit error * try fix * Fix bug: feature ID and node ID swapped in argument * Rename CheckValidation() to CheckFeatureConstraint() for clarity * Do not create temporary vector validFeatures, to enable parallelism	2019-04-30 20:59:58 -07:00
Jiaming Yuan	2e618af743	Fix cpplint. (#4157) ... * Add comment after #endif. * Add missing headers.	2019-02-18 00:16:29 +08:00
Henry Gouk	a13e29ece1	Add LASSO (#3429) ... * Allow multiple split constraints * Replace RidgePenalty with ElasticNet * Add test for checking Ridge, LASSO, and Elastic Net are implemented	2018-07-15 16:38:26 +12:00
Henry Gouk	64b8cffde3	Refactor of FastHistMaker to allow for custom regularisation methods (#3335) ... * Refactor to allow for custom regularisation methods * Implement compositional SplitEvaluator framework * Fixed segfault when no monotone_constraints are supplied. * Change pid to parentID * test_monotone_constraints.py now passes * Refactor ColMaker and DistColMaker to use SplitEvaluator * Performance optimisation when no monotone_constraints specified * Fix linter messages * Fix a few more linter errors * Update the amalgamation * Add bounds check * Add check for leaf node * Fix linter error in param.h * Fix clang-tidy errors on CI * Fix incorrect function name * Fix clang-tidy error in updater_fast_hist.cc * Enable SSE2 for Win32 R MinGW Addresses https://github.com/dmlc/xgboost/pull/3335#issuecomment-400535752 * Add contributor	2018-06-28 07:37:25 +00:00