1. 08 Feb, 2020 2 commits
  2. 03 Feb, 2020 2 commits
  3. 02 Feb, 2020 1 commit
    • Guolin Ke's avatar
      Support both row-wise and col-wise multi-threading (#2699) · 509c2e50
      Guolin Ke authored
      
      
      * commit
      
      * fix a bug
      
      * fix bug
      
      * reset to track changes
      
      * refine the auto choose logic
      
      * sort the time stats output
      
      * fix include
      
      * change  multi_val_bin_sparse_threshold
      
      * add cmake
      
      * add _mm_malloc and _mm_free for cross platform
      
      * fix cmake bug
      
      * timer for split
      
      * try to fix cmake
      
      * fix tests
      
      * refactor DataPartition::Split
      
      * fix test
      
      * typo
      
      * formating
      
      * Revert "formating"
      
      This reverts commit 5b8de4f7fb9d975ee23701d276a66d40ee6d4222.
      
      * add document
      
      * [R-package] Added tests on use of force_col_wise and force_row_wise in training (#2719)
      
      * naming
      
      * fix gpu code
      
      * Update include/LightGBM/bin.h
      Co-Authored-By: default avatarJames Lamb <jaylamb20@gmail.com>
      
      * Update src/treelearner/ocl/histogram16.cl
      
      * test: swap compilers for CI
      
      * fix omp
      
      * not avx2
      
      * no aligned for feature histogram
      
      * Revert "refactor DataPartition::Split"
      
      This reverts commit 256e6d9641ade966a1f54da1752e998a1149b6f8.
      
      * slightly refactor data partition
      
      * reduce the memory cost
      Co-authored-by: default avatarJames Lamb <jaylamb20@gmail.com>
      Co-authored-by: default avatarNikita Titov <nekit94-08@mail.ru>
      509c2e50
  4. 01 Feb, 2020 1 commit
  5. 30 Jan, 2020 1 commit
    • sbruch's avatar
      Implementation of XE_NDCG_MART for the ranking task (#2620) · 86530988
      sbruch authored
      * Implementation of XE_NDCG loss function for ranking.
      
      * Add citation
      
      * Check in example usage for xe_ndcg loss.
      
      * Seed the generator when a seed is provided in the config. Add unit-tests for xe_ndcg
      
      * Update documentation
      
      * Fix indentation
      
      * Address issues raised by reviewers.
      
      * Clean up include statements.
      
      * Fix issues raised by reviewers.
      
      * Regenerate parameters.rst
      
      * Add a note to explain that reproducing xe_ndcg results requires num_threads to be one.
      
      * Introduce objective_seed and use that in rank_xendcg instead of directly using seed
      
      * Change default value of objective_seed
      86530988
  6. 12 Jan, 2020 1 commit
  7. 07 Jan, 2020 1 commit
  8. 29 Dec, 2019 1 commit
  9. 24 Dec, 2019 1 commit
  10. 19 Dec, 2019 1 commit
  11. 13 Dec, 2019 1 commit
  12. 12 Dec, 2019 1 commit
    • Belinda Trotta's avatar
      auc-mu metric (#2567) · 222775ca
      Belinda Trotta authored
      * Fix bug where small values of max_bin cause crash.
      
      * Revert "Fix bug where small values of max_bin cause crash."
      
      This reverts commit fe5c8e2547057c1fa5750bcddd359dd7708fab4b.
      
      * Add auc-mu multiclass metric.
      
      * Fix bug where scores are equal.
      
      * Merge.
      
      * Change name to auc_mu everywhere (instead of auc-mu).
      
      * Fix comparison between signed and unsigned int.
      
      * Change name to AUC-mu in docs and output messages.
      
      * Improve test.
      
      * Use prefix increment.
      
      * Update R package.
      
      * Fix style issues.
      
      * Tidy up test code.
      
      * Read all lines first then process.
      
      * Allow passing AUC-mu weights directly as a list in parameters.
      
      * Remove unused code, improve example and docs.
      222775ca
  13. 11 Dec, 2019 1 commit
  14. 10 Dec, 2019 1 commit
  15. 02 Dec, 2019 1 commit
  16. 01 Dec, 2019 1 commit
  17. 15 Nov, 2019 1 commit
  18. 10 Nov, 2019 1 commit
  19. 27 Oct, 2019 1 commit
  20. 14 Oct, 2019 1 commit
  21. 07 Oct, 2019 1 commit
  22. 29 Sep, 2019 3 commits
  23. 28 Sep, 2019 2 commits
    • Belinda Trotta's avatar
      Predefined bin thresholds (#2325) · cc7a1e27
      Belinda Trotta authored
      * Fix bug where small values of max_bin cause crash.
      
      * Revert "Fix bug where small values of max_bin cause crash."
      
      This reverts commit fe5c8e2547057c1fa5750bcddd359dd7708fab4b.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Change binning behavior to be same as PR #2342.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Change binning behavior to be same as PR #2342.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Minor style and doc fixes.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Minor style and doc fixes.
      
      * Change binning behavior to be same as PR #2342.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Add functionality to force bin thresholds.
      
      * Fix style issues.
      
      * Use stable sort.
      
      * Minor style and doc fixes.
      
      * Change binning behavior to be same as PR #2342.
      
      * Use different bin finding function for predefined bounds.
      
      * Fix style issues.
      
      * Minor refactoring, overload FindBinWithZeroAsOneBin.
      
      * Fix style issues.
      
      * Fix bug and add new test.
      
      * Add warning when using categorical features with forced bins.
      
      * Pass forced_upper_bounds by reference.
      
      * Pass container types by const reference.
      
      * Get categorical features using FeatureBinMapper.
      
      * Fix bug for small max_bin.
      
      * Move GetForcedBins to DatasetLoader.
      
      * Find forced bins in dataset_loader.
      
      * Minor fixes.
      cc7a1e27
    • Nikita Titov's avatar
      [docs] added installation guide with Homebrew (#2414) · f2632a6e
      Nikita Titov authored
      * added installation guide with Homebrew
      
      * hotfix
      
      * update wording to separate install and build cases
      f2632a6e
  24. 27 Sep, 2019 1 commit
  25. 26 Sep, 2019 1 commit
  26. 24 Sep, 2019 1 commit
  27. 16 Sep, 2019 1 commit
  28. 12 Sep, 2019 1 commit
  29. 08 Sep, 2019 1 commit
    • CharlesAuguste's avatar
      [python] Improved python tree plots (#2304) · f52be9be
      CharlesAuguste authored
      * Some basic changes to the plot of the trees to make them readable.
      
      * Squeezed the information in the nodes.
      
      * Added colouring when a dictionnary mapping the features to the constraints is passed.
      
      * Fix spaces.
      
      * Added data percentage as an option in the nodes.
      
      * Squeezed the information in the leaves.
      
      * Important information is now in bold.
      
      * Added a legend for the color of monotone splits.
      
      * Changed "split_gain" to "gain" and "internal_value" to "value".
      
      * Sqeezed leaves a bit more.
      
      * Changed description in the legend.
      
      * Revert "Sqeezed leaves a bit more."
      
      This reverts commit dd8bf14a3ba604b0dfae3b7bb1c64b6784d15e03.
      
      * Increased the readability for the gain.
      
      * Tidied up the legend.
      
      * Added the data percentage in the leaves.
      
      * Added the monotone constraints to the dumped model.
      
      * Monotone constraints are now specified automatically when plotting trees.
      
      * Raise an exception instead of the bug that was here before.
      
      * Removed operators on the branches for a clearer design.
      
      * Small cleaning of the code.
      
      * Setting a monotone constraint on a categorical feature now returns an exception instead of doing nothing.
      
      * Fix bug when monotone constraints are empty.
      
      * Fix another bug when monotone constraints are empty.
      
      * Variable name change.
      
      * Added is / isn't on every edge of the trees.
      
      * Fix test "tree_create_digraph".
      
      * Add new test for plotting trees with monotone constraints.
      
      * Typo.
      
      * Update documentation of categorical features.
      
      * Typo.
      
      * Information in nodes more explicit.
      
      * Used regular strings instead of raw strings.
      
      * Small refactoring.
      
      * Some cleaning.
      
      * Added future statement.
      
      * Changed output for consistency.
      
      * Updated documentation.
      
      * Added comments for colors.
      
      * Changed text on edges for more clarity.
      
      * Small refactoring.
      
      * Modified text in leaves for consistency with nodes.
      
      * Updated default values and documentaton for consistency.
      
      * Replaced CHECK with Log::Fatal for user-friendliness.
      
      * Updated tests.
      
      * Typo.
      
      * Simplify imports.
      
      * Swapped count and weight to improve readibility of the leaves in the plotted trees.
      
      * Thresholds in bold.
      
      * Made information in nodes written in a specific order.
      
      * Added information to clarify legend.
      
      * Code cleaning.
      f52be9be
  30. 03 Sep, 2019 1 commit
    • Guolin Ke's avatar
      sub-features for node level (#2330) · bbbad73d
      Guolin Ke authored
      * add parameter
      
      * implement
      
      * fix bug
      
      * fix bug
      
      * fix according comment
      
      * add test
      
      * Update test_engine.py
      
      * Update test_engine.py
      
      * Update test_engine.py
      bbbad73d
  31. 01 Sep, 2019 1 commit
    • Nikita Titov's avatar
      [docs][R] added R-package docs generation routines (#2176) · faba6caf
      Nikita Titov authored
      * added R-package docs generation routines
      
      * change theme to be more consistent with sphinx_rtd_theme on main site in terms of color scheme
      
      * placed man folder with old Rd files back
      
      * specify full path to conda and make script more readable by one line - one pkg
      
      * removed commented lines from build_r_site script
      
      * made one line - one argument in build_reference() call
      
      * pin R package versions
      
      * fixed conflict
      faba6caf
  32. 24 Aug, 2019 1 commit
    • Guolin Ke's avatar
      normalize the lambdas in lambdamart objective (#2331) · 0dfda826
      Guolin Ke authored
      * norm the lambda scores
      
      * change default to false
      
      * update doc
      
      * typo
      
      * Update Parameters.rst
      
      * Update config.h
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      
      * Update rank_objective.hpp
      
      * Update Parameters.rst
      
      * Update config.h
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      
      * Update test_sklearn.py
      0dfda826
  33. 17 Aug, 2019 1 commit
  34. 07 Aug, 2019 1 commit
  35. 06 Aug, 2019 1 commit