Light Gbm: v3.0.0 Release

Release date:
August 30, 2020
Previous version:
v3.0.0rc1 (released August 7, 2020)
Magnitude:
1,466 Diff Delta
Contributors:
5 total committers
Data confidence:
Commits:

30 Commits in this Release

Ordered by the degree to which they evolved the repo in this version.

Authored August 15, 2020
Authored August 23, 2020
Authored August 15, 2020
Authored August 9, 2020
Authored August 19, 2020
Authored August 19, 2020
Authored August 13, 2020
Authored August 19, 2020
Authored August 19, 2020

Top Contributors in v3.0.0

jameslamb
guolinke
StrikerRUS
julioasotodv
Shihab-Shahriar

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Release Notes Published

Changes

πŸ’‘ New Features

  • [python] add return_cvbooster flag to cv func and publish _CVBooster (#283,#2105,#1445) @momijiame (#3204)
  • [R-package] make package installable with CRAN toolchain (fixes #2960) @jameslamb (#3188)
  • feat: Change locking strategy of Booster, allow for share and unique locks @JoanFM (#2760)
  • feature importance type in saved model file @guolinke (#3220)
  • [R-package] Interface for interaction constraints @btrotta (#3136)
  • adding sparse support to TreeSHAP in lightgbm @imatiach-msft (#3000)
  • Adding static library option @dpayne (#3171)
  • Interaction constraints @btrotta (#3126)
  • [R-package] Add support for R 4.0 (fixes #3064, fixes #3024) @jameslamb (#3065)
  • [python][scikit-learn] add new attribute for used number of features @a-wozniakowski (#3129)
  • redirect log to python console @guolinke (#3090)
  • Path smoothing @btrotta (#2950)
  • [SWIG][mmlspark] allow allocating more than int max array @imatiach-msft (#2859)
  • Support UTF-8 characters in feature name again @henry0312 (#2976)
  • [python] Re-enable scikit-learn 0.22+ support @StrikerRUS (#2949)
  • Pr3 monotone constraints splits penalization @CharlesAuguste (#2939)
  • [R-package] adding routine registration in R package (fixes #1910) @jameslamb (#2911)
  • [R-package] Use Rprintf for logging in the R package (fixes #1440, fixes #1909) @jameslamb (#2901)
  • Improving monotone constraints ("Fast" method; linked to #2305, #2717) @CharlesAuguste (#2770)
  • [python] handle RandomState object in Scikit-learn Api @lpfann (#2904)
  • Debug flags @guolinke (#2825)
  • added feature infos to JSON dump @StrikerRUS (#2660)
  • Add capability to get possible max and min values for a model @JoanFM (#2737)
  • Extremely randomized trees @btrotta (#2671)
  • [python] add property: feature_name_ in lgb sklearn api @zhangqibot (#2740)
  • Implementation of XE_NDCG_MART for the ranking task @sbruch (#2620)
  • [python] Output model to a pandas DataFrame @pford221 (#2592)
  • option to disable the shape checking in prediction. @guolinke (#2669)
  • added feature importance to JSON dump @StrikerRUS (#2656)
  • [python] allow to specify orientation of a tree @StrikerRUS (#2605)
  • auc-mu @btrotta (#2567)
  • [python] Allow python sklearn interface's fit() to pass init_model to train() @aaiyer (#2447)
  • Add more debug logging to show data load progress. @ashok-ponnuswami-msft (#2587)

πŸ”¨ Breaking

  • [Python] add start_iteration to python predict interface (#3058) @shiyu1994 (#3272)
  • [R-package] refactor and improvements to lgb.convert() functions (fixes #2678, #2681) @jameslamb (#3269)
  • [R-package] deprecate lgb.prepare() and lgb.prepare2() @jameslamb (#3095)
  • [R-package] Add version floor of R 3.5 (fixes #3212) @jameslamb (#3216)
  • refactor LGBM_DatasetGetFeatureNames @StrikerRUS (#3022)
  • Fix SWIG methods that return char** @AlbertoEAF (#2850)
  • Code refactoring for ranking objective & Faster ndcg_xendcg @guolinke (#2801)
  • decouple bagging with num_threads @guolinke (#2804)
  • remove init-score parameter @guolinke (#2776)
  • [python] [R-package] refine the parameters for Dataset @guolinke (#2594)
  • Support both row-wise and col-wise multi-threading @guolinke (#2699)
  • [ci] indicate support only for the last 3 macOS versions in wheel name @StrikerRUS (#2691)
  • removed OpenMP ugly fix for Mojave @StrikerRUS (#2674)
  • [python] specify the last supported version of scikit-learn @StrikerRUS (#2637)

πŸš€ Efficiency Improvement

  • Feat/optimize single prediction @AlbertoEAF (#2992)
  • Optimize the computation of the cross-entropy ranking loss @sbruch (#3080)
  • Speed-up "Split" and some code refactorings @guolinke (#2883)
  • speed up FindBestThresholdFromHistogram @guolinke (#2867)
  • speed up for const hessian @guolinke (#2857)
  • reduce the overhead of OMP_NUM_THREADS in training @guolinke (#2852)
  • speed up multi-val bin subset for bagging @guolinke (#2827)
  • speed up sub-feature in row-wise parallelism @guolinke (#2764)
  • slightly reduce the cost of multi-val bin construct. @guolinke (#2728)
  • more efficient sampling k from n @guolinke (#2693)
  • support most frequent bin @guolinke (#2689)
  • prefetch hint (1.3x speed-up) @guolinke (#2677)

πŸ› Bug Fixes

  • [R] Fix 32-bit build @guolinke (#3307)
  • fix zero bin in categorical split @guolinke (#3305)
  • [R-package] DESCRIPTION changes to address CRAN feedback @jameslamb (#3298)
  • create buffer for gradients and hessians with goss and customized objective (fixes #3243) @shiyu1994 (#3263)
  • update multi-class objective (softmax) @guolinke (#3256)
  • Fast single row predict API v2 @AlbertoEAF (#3268)
  • [R-package] fix early_stopping_round <= 0 @jameslamb (#3259)
  • fix bug in CEGB when reset training data or config @guolinke (#3246)
  • fix possible problem in getting number of columns from libsvm file. @guolinke (#3242)
  • set num_threads of share_state (#3151) @shiyu1994 (#3238)
  • Upcast index to size_t in Refit @jtilly (#3228)
  • [python][scikit-learn] Fixes a bug that prevented using multiple eval_metrics in LGBMClassifier @gramirezespinoza (#3222)
  • [python] fix early_stopping_round = 0 @guolinke (#3211)
  • Fix integer overflow in auc_mu (fixes #3201) @btrotta (#3209)
  • Store the true split gain (without subtracting min_split_gain) in tree models (fix Issue #3054) @shiyu1994 (#3196)
  • Fix bug with interaction constraints @btrotta (#3189)
  • [R-package] [ci] update to R 4.0.2 for Windows CI jobs (fixes #3191) @jameslamb (#3193)
  • fix str2double for leaf_weights @guolinke (#3148)
  • fix error C3861: '_BitScanReverse': identifier not found @StrikerRUS (#3141)
  • [R-package] fix best_score using custom evaluation (fixes #3112) @jameslamb (#3117)
  • [R-package] Turn matrix to storage mode "double" @mayer79 (#3140)
  • memory corruption fix for distributed data parallel version before SyncUpGlobalBestSplit @imatiach-msft (#3110)
  • [R-package] fix issue where early stopping thinks higher MAPE is desirable (fixes #3099) @jameslamb (#3101)
  • fix a bug when we set the default score @guanqun (#3114)
  • fix MSVC warning about control paths (fixes #3067) @jameslamb (#3068)
  • Fixed machine list parsing: s/find_first_of/find @odimka (#3108)
  • fix refactoring bug in voting parallel @guolinke (#3089)
  • fix goss with constant hessian @guolinke (#3077)
  • [docs] update link to GitHub anchor conventions @jameslamb (#3085)
  • fix goss bug @guolinke (#3063)
  • [R-package] add conda dir for LIBR_CORE_LIBRARY (fixes #3045) @jameslamb (#3046)
  • [R-package] CMake fixes to support MSVC @jameslamb (#2963)
  • Fix loss computation in rank cross-entropy objective @sbruch (#3031)
  • [R-package] fixed best_iter and best_score when training data is passed (fixes #2295, #2525) @jameslamb (#2961)
  • [R-package] fix R examples and lgb.plot.interpretation() @jameslamb (#3002)
  • Revert "Fix Booster read/write locale dependency (#2891)" @henry0312 (#2980)
  • [SWIG][mmlspark] fix seg fault in LGBM_BoosterGetEvalNamesSWIG @imatiach-msft (#2958)
  • fix inf in json model dump @StrikerRUS (#2940)
  • [R-package] fixed evaluation on valids in lightgbm() (fixes #2915) @jameslamb (#2916)
  • Fix IsZero in tree.h @AlbertoEAF (#2932)
  • [R-package] fixed handling of multiple evaluation metrics (fixes #2913) @jameslamb (#2914)
  • Fix Booster read/write locale dependency @AlbertoEAF (#2891)
  • [python] Fix continued train by reusing the same dataset @guolinke (#2906)
  • [python] fix the bug when use different params with reference @guolinke (#2907)
  • fix ResetConfig in FeatureHistogram @guolinke (#2882)
  • fixed cpplint errors and VS project files @StrikerRUS (#2873)
  • fix possible bug related num_threads @guolinke (#2876)
  • [python] save all param values into model file @StrikerRUS (#2589)
  • shrinkage to internal values @guolinke (#2853)
  • fix bug in parallel learning @guolinke (#2851)
  • don't save num_thread as possible @guolinke (#2839)
  • fix bug for multi-val-bin construction @guolinke (#2841)
  • fix forced split @guolinke (#2838)
  • avoid most_freq_bin to be 0 in categorical features @guolinke (#2824)
  • fix index and remove unused includes @StrikerRUS (#2829)
  • support larger element size for multi-val bin @guolinke (#2817)
  • fix random threshold for categorical features @guolinke (#2802)
  • fix bug when nan bin is most freq bin @guolinke (#2811)
  • Fix SingleRowPredictor::IsPredictorEqual comparison (invert) @AlbertoEAF (#2799)
  • [R-package] Fixed R implementation of upper_bound() and lower_bound() for lgb.Booster @jameslamb (#2785)
  • [R-package] fixed R Dataset aliases @StrikerRUS (#2775)
  • fix max_depth in CEGB @guolinke (#2751)
  • fix subset bug @guolinke (#2748)
  • Config static initialization @jcipar (#2743)
  • Preventing denormal leaf values @jpkoponen (#2724)
  • [python][R-package][docs] fix support of XE_NDCG_MART obj in language wrappers and docs @StrikerRUS (#2726)
  • add is_sparse back @guolinke (#2729)
  • fix #2696 @sh1ng (#2700)
  • [R-package] fixed sorting issues in lgb.cv() when using a model with observation weights (fixes #2572) @jameslamb (#2573)
  • [python] fix trees_to_dataframe and enhance test @StrikerRUS (#2690)
  • [python] [R-package] Use the same address when updated label/weight/query @guolinke (#2662)
  • fix predict with header @guolinke (#2643)
  • [python][sklearn] do not modify args in fit function and minor code cleanup @StrikerRUS (#2619)
  • [python] Variable Typo: redictor -> predictor @duckladydinh (#2622)
  • LightGBM would hang on MPI run if only some nodes have a fatal error. @ashok-ponnuswami-msft (#2600)

πŸ“– Documentation

  • [R-package] Add R logo (fixes #3331, #3332) @jameslamb (#3336)
  • [docs][python][sklearn] remove excess fit arguments from docstrings @StrikerRUS (#3330)
  • [docs] added logo to docs @StrikerRUS (#3327)
  • Added winning solution using LightGBM @julioasotodv (#3314)
  • [R-package] Add docs on building and using precompiled binaries for the R package @jameslamb (#3285)
  • [docs] Fix repetition of tree_method hyper-parameter in xgboost_hist @Shihab-Shahriar (#3296)
  • [doc] better doc for keep_training_booster @guolinke (#3275)
  • [docs] improve params docs @StrikerRUS (#3252)
  • typo fix @guanqun (#3174)
  • [docs] Improve some phrasing in the installation guide @Lewington-pitsos (#3214)
  • [docs] document option to build a static library @StrikerRUS (#3190)
  • [docs][scikit-learn] removed duplicated docstrings @StrikerRUS (#3164)
  • [ci][docs] fix broken links @StrikerRUS (#3176)
  • [R-package] [docs] fix warnings in pkgdown site building @jameslamb (#3086)
  • [R-package] [docs] Removed outdated language about the R package @jameslamb (#3070)
  • [docs] document one more workaround for CMake and MinGW build and fix typos @StrikerRUS (#3081)
  • [docs] Document cmake+MinGW (fixes #3060) @Laurae2 (#3078)
  • [docs] updated docs about output values @StrikerRUS (#3037)
  • [docs] updated bug report template @jameslamb (#3032)
  • [R-package] Remove lgbdl from docs until fix @Laurae2 (#3035)
  • [R-package] [docs] remove unnecessary build in test coverage @jameslamb (#3004)
  • [docs] update link to Julia wrapper @StrikerRUS (#3021)
  • [docs] updated core team list @StrikerRUS (#3001)
  • [R-package] [docs] Simplified examples to cut example run time (fixes #2988) @jameslamb (#2989)
  • [docs] Add LightGBM Tuner by Optuna links to README.md @Crissman (#2893)
  • [docs] add link to blog post about Optuna to Parameters-Tuning.rst @Crissman (#2896)
  • [docs] update latest benchmark results @guolinke (#2887)
  • [R-package] [docs] Added documentation on lgb.dl() and data.table version (fixes #2715) @jameslamb (#2846)
  • fixed cpplint issues and updated docs @StrikerRUS (#2830)
  • [docs] Added subsections into param list @StrikerRUS (#2779)
  • Better documentation for Contributing @guolinke (#2781)
  • [docs] fixed metric_freq param description @StrikerRUS (#2780)
  • [docs] removed mentions of sparse_threshold @StrikerRUS (#2758)
  • [R-package] clarified error messages and documentation for lgb.get.eval.result() @jameslamb (#2686)
  • [R-package][docs] made roxygen2 tags explicit and cleaned up documentation @jameslamb (#2688)
  • [R-package] Added instructions for generating R test coverage @jameslamb (#2664)
  • [R-package] [docs] Added reference to unofficial R extensions (fixes #2640) @jameslamb (#2670)
  • warning for init_score in save_binary @guolinke (#2649)
  • [docs] provide link to m2cgen from convert_model_language param description @StrikerRUS (#2591)
  • [docs] added link to cuML in external repos section of README @StrikerRUS (#2634)
  • [docs] added search key words for artifacts @StrikerRUS (#2631)
  • [docs] enhanced description of cat features param @StrikerRUS (#2627)
  • [docs] updated records of kaggle competitions @jameslamb (#2621)
  • [docs] added link to kubeflow fairing and enhanced parallel guide @StrikerRUS (#2602)

🧰 Maintenance

  • [ci] fix R CMD check issue 'unable to verify current time' @jameslamb (#3341)
  • [R-package] [ci] Reduce manual effort for version updates @jameslamb (#3335)
  • [R-package] update roles in DESCRIPTION @jameslamb (#3333)
  • Add Logo to readme @guolinke (#3322)
  • [ci] bump Xcode version at Travis @StrikerRUS (#3323)
  • [ci][docs] update Doxygen link in docs @StrikerRUS (#3324)
  • [R-package] remove blank lines and not-really-comments from .Rbuildignore @jameslamb (#3318)
  • [ci][docs] explicitly recuire fresh versions of RTD stuff @StrikerRUS (#3315)
  • [ci] Test 32-bit builds for R package @jameslamb (#3311)
  • fix typo @StrikerRUS (#3309)
  • [ci] fix flaky R CMD check test about library size @jameslamb (#3308)
  • fix vc project @guolinke (#3304)
  • simplify start_iteration param for predict in Python and some code cleanup for start_iteration @StrikerRUS (#3288)
  • [python] try to use bundled distutils to setuptools during setup @StrikerRUS (#3294)
  • [ci][python] fix sklearn FutureWarning about positional args @StrikerRUS (#3295)
  • [ci][docs] fix current master failures for docs test @StrikerRUS (#3297)
  • [R-package] suppress warning about empty 'compute' directory and fix Rtools installation @jameslamb (#3277)
  • bump version for development @guolinke (#3281)
  • [CI] fix R's installation @guolinke (#3279)
  • [R-package] move all examples to dontrun() to fix R CMD CHECK notes @jameslamb (#3270)
  • [R-package] add some R build files to gitignore @jameslamb (#3271)
  • [tests][python][scikit-learn] New unit tests and maintenance @a-wozniakowski (#3253)
  • [ci] run Travis and Azure Pipelines only for master branch @StrikerRUS (#3265)
  • [R-package] allow R to pick between -fPIC and -fpic for CRAN package @jameslamb (#3261)
  • [TYPO] DatasetLoader::ConstructFromSampleData @lcsdavid (#3258)
  • remove unnecessary semicolon @jameslamb (#3260)
  • [ci] partly remove macOS temp CI fix @StrikerRUS (#3251)
  • [R-package] remove duplicated test @jameslamb (#3250)
  • update gitignore to ignore files created by clion @zhengruifeng (#3248)
  • [R-package] Add tests on lgb.check.eval, lgb.unloader, and lgb.encode.char @jameslamb (#3235)
  • [ci] remove unnecessary R_CHECK_FORCE_SUGGESTS in CI scripts @jameslamb (#3240)
  • typo fix @guolinke (#3239)
  • [SWIG] removed commented code @StrikerRUS (#3233)
  • [R-package] add test on importance types @jameslamb (#3231)
  • [R-package] factor out {ggplot2} @jameslamb (#3224)
  • add rules for tests/ in CODEOWNERS @jameslamb (#3226)
  • [ci] bump R 4 version @StrikerRUS (#3225)
  • [R-package] remove xlen_t in custom R-to-C++ interface @jameslamb (#3223)
  • [R-package] remove unused Suggests dependencies @jameslamb (#3217)
  • Remove extra semicolons @AIshb (#3215)
  • [ci] [R-package] catch builds that have not updated docs @jameslamb (#3205)
  • [ci] bump gcc version for macOS @StrikerRUS (#3208)
  • Allow the minimal feature to 1 in column sampling @guolinke (#3197)
  • [R-package] [ci] Fix MiKTeX downloads (fixes #3198) @jameslamb (#3199)
  • [python][scikit-learn] new stacking tests and make number of features a property @a-wozniakowski (#3173)
  • [R-package] fix R CMD check NOTE about leftover files @jameslamb (#3181)
  • [ci][docs] added GitHub Actions badge and simplified condition in config @StrikerRUS (#3179)
  • [R-package] [ci] cut nrounds in unit tests @jameslamb (#3169)
  • [ci] update Boost version @StrikerRUS (#3175)
  • [ci] Move R Windows CI to GitHub Actions @jameslamb (#3168)
  • [ci] avoid VS warning for R builds @StrikerRUS (#3162)
  • [ci][docs] temporarily pin Sphinx version @StrikerRUS (#3157)
  • Revert "re-order includes (fixes #3132) (#3133)" @StrikerRUS (#3153)
  • [ci] make MiKTeX downloads more reliable @jameslamb (#3124)
  • [ci] use GitHub Actions for R CI jobs (fixes #2353) @jameslamb (#3119)
  • re-order includes (fixes #3132) @jameslamb (#3133)
  • [ci] remove unused environment variable in CI setups @jameslamb (#3125)
  • [R-package] move R source files into R-package, reduce duplication in build_r.R @jameslamb (#3087)
  • [ci] fix add-apt-repository warning @jameslamb (#3104)
  • [R-package] characterize all cmake messages @jameslamb (#3105)
  • [R-package] [docs] replace build_r_site.R with pkgdown::build_site() @jameslamb (#3098)
  • [ci] bump XCode version at Travis @StrikerRUS (#3097)
  • [ci] avoid duplicate AppVeyor builds @jameslamb (#3096)
  • [R-package] [ci] Fix CI timeouts for Mac builds on Travis (fixes #3091) @jameslamb (#3092)
  • [R-package] fix warnings in tests @jameslamb (#3069)
  • [R-package] [docs] remove devtools dependency for docs builds (fixes #3036) @jameslamb (#3072)
  • [R-package] speed up installation with Visual Studio @jameslamb (#2965)
  • Update CODEOWNERS rule about CMakeLists.txt @jameslamb (#3079)
  • removed deprecated code @StrikerRUS (#3073)
  • [R-package] added tests on LGBM_BoosterResetTrainingData_R @jameslamb (#3020)
  • [python-package] Use set for OS check @jameslamb (#3059)
  • typo fix @guanqun (#3055)
  • [ci] fix flaky test @StrikerRUS (#3056)
  • [docs] update ROCm link in docs @StrikerRUS (#3050)
  • [R-package] [ci] Add Windows CI for R package (fixes #2335) @jameslamb (#2936)
  • [python][tests] unused and missing imports @jameslamb (#3023)
  • [R-package] added tests on LGBM_BoosterRollbackOneIter_R @jameslamb (#3006)
  • [R-package] Added tests on LGBM_GetLastError_R @jameslamb (#3005)
  • [R-package] Added tests on creating a Booster from a Dataset @jameslamb (#3007)
  • [ci] minor CI scripts update @StrikerRUS (#3019)
  • [R-package] [ci] added echoing of R CMD check logs to CI @jameslamb (#3009)
  • [ci][docs] Fix RTD builds @StrikerRUS (#3015)
  • [ci][docs] be compatible with Sphinx 3 @StrikerRUS (#3013)
  • [ci] Changed use of strcpy to snprintf (fixes #1990) @jameslamb (#2973)
  • [R-package] Updated package metadata in DESCRIPTION @jameslamb (#2993)
  • [R-package] Removed unused constant in R_object_helper.h @jameslamb (#2994)
  • Update CODEOWNERS @StrikerRUS (#2996)
  • more cpp lints @guolinke (#2985)
  • [python][ci] start to support Python 3.8 @StrikerRUS (#2713)
  • [ci] fixed r-lintr version constraint @StrikerRUS (#2990)
  • [R-package] Added unit tests on creating Booster from file or string @jameslamb (#2945)
  • fix cpp lint in json11 @guolinke (#2975)
  • [ci][docs] downgrade breathe @StrikerRUS (#2982)
  • [docs] update URL in docs @StrikerRUS (#2978)
  • [ci][docs] downdrage sphinx and fix LaTeX error in R-package tests @StrikerRUS (#2977)
  • fixed cpplint errors about string& members @jameslamb (#2929)
  • fixed cpplint errors @StrikerRUS (#2971)
  • [ci] upgrade to R 3.6.3 in CI @jameslamb (#2969)
  • replace built-in assert with own CHECK macro @StrikerRUS (#2938)
  • Cleanup MissingType enum constants @AlbertoEAF (#2931)
  • [ci] reduce duplication in Python Windows CI @jameslamb (#2962)
  • [R-package] [ci] Add option to skip installation in build_r.R @jameslamb (#2957)
  • [ci][docs] fixed broken link @StrikerRUS (#2956)
  • [ci] changed CRAN mirror to fix failing installs @jameslamb (#2954)
  • [R-package] [ci] added check on number of R CMD CHECK notes @jameslamb (#2942)
  • changed sprintf uses to snprintf @jameslamb (#2920)
  • [R-package] fixed some minor issues with testing on Windows @jameslamb (#2908)
  • [R-package] added test on uncovered line of lgb.plot.importance() @jameslamb (#2903)
  • [ci] fixed cpplint errors about namespace using-directives @jameslamb (#2927)
  • [R-package] fixed NOTE about unrecognized global variable @jameslamb (#2928)
  • [ci] fix VS project files @StrikerRUS (#2924)
  • [R-package] [ci] added more linters @jameslamb (#2803)
  • [R-package] removed duplicated code figuring out build_dir in install.libs.R @jameslamb (#2917)
  • [R-package] added command to remove build/ dir in install.libs.R @jameslamb (#2909)
  • fix release-drafter.yml @guolinke (#2895)
  • [R-package] removed unnecessary flag in tests @jameslamb (#2910)
  • fixed cpplint errors and disable warning only for VS @StrikerRUS (#2888)
  • [R-package] cleaned up formatting in R C/C++ files @jameslamb (#2844)
  • [R-package] Introduce R-specific control of lib_lightgbm @jameslamb (#2837)
  • add more bots @guolinke (#2843)
  • [ci] fixed cpplint warnings about braces @jameslamb (#2869)
  • use specific checks in auto config @StrikerRUS (#2864)
  • fix warnings in debug mode about that not all control paths return a value @StrikerRUS (#2866)
  • fixed cpplint issues @StrikerRUS (#2863)
  • [R-package] [ci] added tests on early_stopping @jameslamb (#2848)
  • [docs] update link to MS MPI @StrikerRUS (#2861)
  • [R-package] removed unused imports from R-specific lib_lightgbm components @jameslamb (#2845)
  • [docs] Fix description according to markdownlint @daikikatsuragawa (#2865)
  • [ci] fix R tests for macOS on Azure Pipelines @StrikerRUS (#2856)
  • [R-package] added test on training with sparse features @jameslamb (#2847)
  • introduced specific CHECKs @StrikerRUS (#2849)
  • update lockbot @StrikerRUS (#2842)
  • fixed cpplint error about namespace using-directives @StrikerRUS (#2836)
  • Update BUG_REPORT.md @guolinke (#2833)
  • Add lock bot @guolinke (#2815)
  • No LinkTimeCodeGeneration in VS @guolinke (#2812)
  • [ci] bump Azure image versions @StrikerRUS (#2822)
  • [tests][python] fixed pandas deprecation warning in tests @StrikerRUS (#2819)
  • replace std::runtime_error with Log::Fatal @StrikerRUS (#2816)
  • Make timer thread-safe @guolinke (#2800)
  • fixed cpplint issues @StrikerRUS (#2809)
  • fix clang warning for GPU @guolinke (#2807)
  • [R-package] [docker] Added ability to build LightGBM in an R container with different R versions @jameslamb (#2787)
  • [docs] fixed broken links @StrikerRUS (#2795)
  • some code refactoring @guolinke (#2769)
  • fixed cpplint issues @StrikerRUS (#2771)
  • [python] in sklearn wrapper pass cat features to Dataset constructor @StrikerRUS (#2763)
  • fixed cpplint issues @StrikerRUS (#2756)
  • Refactoring monotone constraints (linked to #2305) @CharlesAuguste (#2717)
  • various minor style, docs and cpplint improvements @StrikerRUS (#2747)
  • [ci] avoid Appveyor failures @StrikerRUS (#2753)
  • warning for testing col-wise and row-wise @guolinke (#2727)
  • no omp_set_nested @guolinke (#2734)
  • [python][tests] fixed typo @StrikerRUS (#2732)
  • removed AVX2 from VS config and reset PlatformToolset values back @StrikerRUS (#2731)
  • [ci] swap compilers back for CI services @StrikerRUS (#2730)
  • [python][R-package] removed duplicated code from language wrappers @StrikerRUS (#2606)
  • [docs] fix RTD builds due to conda's problems @StrikerRUS (#2725)
  • [ci] use raw strings in NuGet helper script @StrikerRUS (#2710)
  • [R-package] moved parameter validations up earlier in function calls @jameslamb (#2663)
  • [R-package] added test that Dataset$setinfo() converts 'group' input to integer @jameslamb (#2687)
  • [R-package] added tests on lgb.plot.importance and clarified documentation @jameslamb (#2692)
  • check _mm_prefetch in cmake @guolinke (#2694)
  • [R-package] added tests on lgb.prepare function @jameslamb (#2685)
  • [R-package] [ci] removed TODOs in code @jameslamb (#2667)
  • [R-package] simplified lgb.check.eval() @jameslamb (#2654)
  • [R-package] removed function lgb.check.params @jameslamb (#2652)
  • [R-package] fixed typo for variable valid_contain_train @jameslamb (#2653)
  • [ci] bump XCode version for Travis @StrikerRUS (#2646)
  • fixed some cpplint issues @StrikerRUS (#2635)
  • [R-package][ci] added CI stage for R package (fixes #2335, fixes #2569) @jameslamb (#2530)
  • [docs] fixed broken link in docs @StrikerRUS (#2623)
  • [python][R-package] warn users about untransformed values in case of custom obj @StrikerRUS (#2611)
  • [docs] fixed broken link in docs @StrikerRUS (#2601)
  • fix compile warning for HDFS version @StrikerRUS (#2586)
  • bump version for development @StrikerRUS (#2599)