1. 15 Mar, 2021 1 commit
  2. 10 Mar, 2021 1 commit
  3. 22 Feb, 2021 1 commit
  4. 19 Feb, 2021 1 commit
  5. 15 Feb, 2021 5 commits
  6. 24 Dec, 2020 1 commit
    • Belinda Trotta's avatar
      Trees with linear models at leaves (#3299) · fcfd4132
      Belinda Trotta authored
      * Add Eigen library.
      
      * Working for simple test.
      
      * Apply changes to config params.
      
      * Handle nan data.
      
      * Update docs.
      
      * Add test.
      
      * Only load raw data if boosting=gbdt_linear
      
      * Remove unneeded code.
      
      * Minor updates.
      
      * Update to work with sk-learn interface.
      
      * Update to work with chunked datasets.
      
      * Throw error if we try to create a Booster with an already-constructed dataset having incompatible parameters.
      
      * Save raw data in binary dataset file.
      
      * Update docs and fix parameter checking.
      
      * Fix dataset loading.
      
      * Add test for regularization.
      
      * Fix bugs when saving and loading tree.
      
      * Add test for load/save linear model.
      
      * Remove unneeded code.
      
      * Fix case where not enough leaf data for linear model.
      
      * Simplify code.
      
      * Speed up code.
      
      * Speed up code.
      
      * Simplify code.
      
      * Speed up code.
      
      * Fix bugs.
      
      * Working version.
      
      * Store feature data column-wise (not fully working yet).
      
      * Fix bugs.
      
      * Speed up.
      
      * Speed up.
      
      * Remove unneeded code.
      
      * Small speedup.
      
      * Speed up.
      
      * Minor updates.
      
      * Remove unneeded code.
      
      * Fix bug.
      
      * Fix bug.
      
      * Speed up.
      
      * Speed up.
      
      * Simplify code.
      
      * Remove unneeded code.
      
      * Fix bug, add more tests.
      
      * Fix bug and add test.
      
      * Only store numerical features
      
      * Fix bug and speed up using templates.
      
      * Speed up prediction.
      
      * Fix bug with regularisation
      
      * Visual studio files.
      
      * Working version
      
      * Only check nans if necessary
      
      * Store coeff matrix as an array.
      
      * Align cache lines
      
      * Align cache lines
      
      * Preallocation coefficient calculation matrices
      
      * Small speedups
      
      * Small speedup
      
      * Reverse cache alignment changes
      
      * Change to dynamic schedule
      
      * Update docs.
      
      * Refactor so that linear tree learner is not a separate class.
      
      * Add refit capability.
      
      * Speed up
      
      * Small speedups.
      
      * Speed up add prediction to score.
      
      * Fix bug
      
      * Fix bug and speed up.
      
      * Speed up dataload.
      
      * Speed up dataload
      
      * Use vectors instead of pointers
      
      * Fix bug
      
      * Add OMP exception handling.
      
      * Change return type of LGBM_BoosterGetLinear to bool
      
      * Change return type of LGBM_BoosterGetLinear back to int, only parameter type needed to change
      
      * Remove unused internal_parent_ property of tree
      
      * Remove unused parameter to CreateTreeLearner
      
      * Remove reference to LinearTreeLearner
      
      * Minor style issues
      
      * Remove unneeded check
      
      * Reverse temporary testing change
      
      * Fix Visual Studio project files
      
      * Restore LightGBM.vcxproj.filters
      
      * Speed up
      
      * Speed up
      
      * Simplify code
      
      * Update docs
      
      * Simplify code
      
      * Initialise storage space for max num threads
      
      * Move Eigen to include directory and delete unused files
      
      * Remove old files.
      
      * Fix so it compiles with mingw
      
      * Fix gpu tree learner
      
      * Change AddPredictionToScore back to const
      
      * Fix python lint error
      
      * Fix C++ lint errors
      
      * Change eigen to a submodule
      
      * Update comment
      
      * Add the eigen folder
      
      * Try to fix build issues with eigen
      
      * Remove eigen files
      
      * Add eigen as submodule
      
      * Fix include paths
      
      * Exclude eigen files from Python linter
      
      * Ignore eigen folders for pydocstyle
      
      * Fix C++ linting errors
      
      * Fix docs
      
      * Fix docs
      
      * Exclude eigen directories from doxygen
      
      * Update manifest to include eigen
      
      * Update build_r to include eigen files
      
      * Fix compiler warnings
      
      * Store raw feature data as float
      
      * Use float for calculating linear coefficients
      
      * Remove eigen directory from GLOB
      
      * Don't compile linear model code when building R package
      
      * Fix doxygen issue
      
      * Fix lint issue
      
      * Fix lint issue
      
      * Remove uneeded code
      
      * Restore delected lines
      
      * Restore delected lines
      
      * Change return type of has_raw to bool
      
      * Update docs
      
      * Rename some variables and functions for readability
      
      * Make tree_learner parameter const in AddScore
      
      * Fix style issues
      
      * Pass vectors as const reference when setting tree properties
      
      * Make temporary storage of serial_tree_learner mutable so we can make the object's methods const
      
      * Remove get_raw_size, use num_numeric_features instead
      
      * Fix typo
      
      * Make contains_nan_ and any_nan_ properties immutable again
      
      * Remove data_has_nan_ property of tree
      
      * Remove temporary test code
      
      * Make linear_tree a dataset param
      
      * Fix lint error
      
      * Make LinearTreeLearner a separate class
      
      * Fix lint errors
      
      * Fix lint error
      
      * Add linear_tree_learner.o
      
      * Simulate omp_get_max_threads if openmp is not available
      
      * Update PushOneData to also store raw data.
      
      * Cast size to int
      
      * Fix bug in ReshapeRaw
      
      * Speed up code with multithreading
      
      * Use OMP_NUM_THREADS
      
      * Speed up with multithreading
      
      * Update to use ArrayToString
      
      * Fix tests
      
      * Fix test
      
      * Fix bug introduced in merge
      
      * Minor updates
      
      * Update docs
      fcfd4132
  7. 09 Dec, 2020 1 commit
    • Nikita Titov's avatar
      [python] Drop Python 2 support (#3581) · 44a6fb7f
      Nikita Titov authored
      * Update setup.py
      
      * Update .appveyor.yml
      
      * Update .travis.yml
      
      * Update .vsts-ci.yml
      
      * Update __init__.py
      
      * Update test.sh
      
      * Update test_windows.ps1
      
      * Update advanced_example.py
      
      * Update requirements_base.txt
      
      * Update conf.py
      
      * Update conf.py
      
      * Update test_engine.py
      
      * Update utils.py
      
      * Update dockerfile-r
      
      * Update README.md
      
      * Update dockerfile.gpu
      
      * Update test_consistency.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update engine.py
      
      * Update sklearn.py
      
      * Update sklearn.py
      
      * Update callback.py
      
      * Update setup.py
      
      * Update __init__.py
      
      * Update plotting.py
      
      * Update sklearn.py
      
      * Update engine.py
      
      * Update compat.py
      
      * Update callback.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update compat.py
      
      * Update plotting.py
      
      * Update engine.py
      
      * Update basic.py
      
      * Update sklearn.py
      
      * Update compat.py
      
      * Update engine.py
      
      * Update engine.py
      
      * Update callback.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update sklearn.py
      
      * Update sklearn.py
      
      * Update plotting.py
      
      * Update sklearn.py
      
      * Update compat.py
      
      * Update compat.py
      
      * Update engine.py
      
      * Update plotting.py
      
      * Update sklearn.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update compat.py
      
      * Update compat.py
      
      * Update engine.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update compat.py
      
      * Update compat.py
      
      * Update basic.py
      
      * Update basic.py
      
      * Update .vsts-ci.yml
      
      * Update .vsts-ci.yml
      
      * Update conf.py
      
      * Revert "Update dockerfile-r"
      
      This reverts commit 4ff6ffc7e3eeda24cc6a59a3bb0c973f02d9d71c.
      44a6fb7f
  8. 30 Oct, 2020 1 commit
  9. 08 Sep, 2020 3 commits
  10. 18 Aug, 2020 1 commit
  11. 10 Apr, 2020 1 commit
    • Nikita Titov's avatar
      [python] Re-enable scikit-learn 0.22+ support (#2949) · c633c6c2
      Nikita Titov authored
      * Revert "specify the last supported version of scikit-learn (#2637)"
      
      This reverts commit d1002776.
      
      * ban scikit-learn 0.22.0 and skip broken test
      
      * fix updated test
      
      * fix lint test
      
      * Revert "fix lint test"
      
      This reverts commit 8b4db0805fe7a9e7f7eb0be3eac231f85026d196.
      c633c6c2
  12. 20 Feb, 2020 1 commit
  13. 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
  14. 19 Dec, 2019 1 commit
  15. 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
  16. 07 Dec, 2019 1 commit
  17. 05 Dec, 2019 1 commit
  18. 22 Nov, 2019 2 commits
  19. 27 Oct, 2019 1 commit
  20. 28 Sep, 2019 1 commit
    • 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
  21. 26 Sep, 2019 1 commit
    • Belinda Trotta's avatar
      Force bin json (#2456) · e771538f
      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 json files for forced bin example.
      
      * Add second json file.
      e771538f
  22. 12 Sep, 2019 2 commits
  23. 24 Jul, 2019 1 commit
  24. 19 Jul, 2019 1 commit
  25. 08 May, 2019 1 commit
  26. 01 May, 2019 1 commit
    • Nikita Titov's avatar
      [python] added plot_split_value_histogram function (#2043) · 611cf5d4
      Nikita Titov authored
      * added plot_split_value_histogram function
      
      * updated init module
      
      * added plot split value histogram example
      
      * added plot_split_value_histogram to notebook
      
      * added test
      
      * fixed pylint
      
      * updated API docs
      
      * fixed grammar
      
      * set y ticks to int value in more sufficient way
      611cf5d4
  27. 14 Mar, 2019 2 commits
  28. 30 Oct, 2018 1 commit
  29. 26 Oct, 2018 1 commit
  30. 23 Oct, 2018 1 commit
  31. 16 Oct, 2018 1 commit