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GitHub / microsoft/LightGBM issues and pull requests

#6463 - [ci] further simplify CI configurations

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 5 comments
Labels: maintenance

#6462 - Uncertainty in LightGBM (again)

Issue - State: open - Opened by francescomandruvs about 1 year ago - 4 comments
Labels: question

#6461 - [python-package] How to refit a classifier?

Issue - State: open - Opened by TheLegendAli about 1 year ago - 4 comments
Labels: question

#6460 - Any suggestions for predicting all values to be 0?

Issue - State: closed - Opened by MatthewZhuang about 1 year ago - 2 comments
Labels: question

#6459 - [python-package] drop Python 3.6 support, add Python 3.12

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 5 comments
Labels: breaking

#6458 - [ci] simplify CI configurations, parallelize compilation, test CUDA on Ubuntu 22.04

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 2 comments
Labels: maintenance

#6457 - [cmake] switch to FindCUDAToolkit

Pull Request - State: closed - Opened by characat0 about 1 year ago - 4 comments
Labels: maintenance

#6456 - Lightgbm trains much slower than catboost.

Issue - State: closed - Opened by fengshansi about 1 year ago - 16 comments
Labels: question, awaiting response

#6455 - LightGBM failed to testlightgbm.exe on MSVC

Issue - State: closed - Opened by Shinoyang about 1 year ago - 2 comments

#6454 - [python-package] NumPy 2.0 support

Issue - State: closed - Opened by jameslamb about 1 year ago - 2 comments
Labels: maintenance

#6453 - [ci]: Bump actions/checkout from 1 to 4 in the ci-dependencies group

Pull Request - State: closed - Opened by dependabot[bot] about 1 year ago - 5 comments
Labels: maintenance

#6452 - Update dockerfile.gpu

Pull Request - State: closed - Opened by NisuSan about 1 year ago - 8 comments
Labels: awaiting response, in progress, fix

#6451 - [cmake] always target Windows SDK v10.x when using Visual Studio generators (fixes #6448)

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 6 comments
Labels: fix

#6450 - [docker] Update Tutorial for Installing LightGBM GPU on Docker Environment

Issue - State: open - Opened by NisuSan about 1 year ago - 3 comments
Labels: bug

#6449 - [ci] Add dependabot configuration

Pull Request - State: closed - Opened by borchero about 1 year ago - 1 comment
Labels: maintenance

#6448 - CMake `__BUILD_FOR_R` fails to find R source files

Issue - State: closed - Opened by david-cortes about 1 year ago - 5 comments
Labels: r-package

#6447 - [python-package] make LGBMDeprecationWarning inherit from FutureWarning

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 8 comments
Labels: maintenance

#6446 - [R-package] [python-package] deprecate Dataset arguments to cv() and train()

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 4 comments
Labels: maintenance

#6445 - [docs] ensure pkgdown site index accurately reflects R-package public API (fixes #6444)

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 2 comments
Labels: doc

#6444 - [docs] readthedocs builds are broken

Issue - State: closed - Opened by jameslamb about 1 year ago - 2 comments
Labels: bug, r-package, doc

#6443 - deprecate HDFS support

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 2 comments
Labels: maintenance

#6442 - [R-package] skip integer categorical feature check when building dataset subset (fixes #6412)

Pull Request - State: closed - Opened by jmoralez about 1 year ago - 10 comments
Labels: fix

#6441 - [python-package] Error in installation in github MacOS runners

Issue - State: closed - Opened by shreyasvinaya about 1 year ago - 3 comments
Labels: question

#6440 - [RFC] provide Python/R implementations of all the built-in objectives?

Issue - State: open - Opened by jameslamb about 1 year ago - 5 comments
Labels: feature request, doc

#6439 - release v4.4.0

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 22 comments
Labels: maintenance

#6438 - WIP: [ci] update GitHub Actions

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 3 comments
Labels: maintenance

#6437 - (transferred) [python-package] how to install the Python package from source?

Issue - State: closed - Opened by jameslamb about 1 year ago - 7 comments
Labels: question

#6436 - [RFC] remove HDFS support?

Issue - State: closed - Opened by jameslamb about 1 year ago - 3 comments
Labels: question

#6435 - [RFC] remove 'categorical_feature' and 'feature_name' parameters in cv() and train()

Issue - State: closed - Opened by jameslamb about 1 year ago - 8 comments
Labels: question, awaiting review

#6434 - [R-package] [ci] Manually install 'Matrix' (fixes #6433)

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 3 comments
Labels: maintenance

#6433 - [R-package] latest {Matrix} requires R>=4.4.0

Issue - State: closed - Opened by jameslamb about 1 year ago - 1 comment
Labels: r-package

#6432 - [R-package] always name the shared library 'lightgbm', not 'lib_lightgbm'

Pull Request - State: closed - Opened by jameslamb about 1 year ago - 1 comment
Labels: maintenance

#6431 - [python-package] bug : dump_model json loads failed

Issue - State: closed - Opened by Fhwang0926 about 1 year ago - 3 comments

#6430 - C API refitting

Issue - State: open - Opened by eightreal about 1 year ago - 6 comments
Labels: question

#6429 - Change cxx standard from 11 to 14 in CMake

Pull Request - State: closed - Opened by donaldkuck over 1 year ago - 6 comments
Labels: breaking

#6428 - [python-package] respect 'verbose' setting when using custom objective function (fixes #6014)

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: fix

#6427 - GPU-built classifier crashes on "Compiling OpenCL Kernel with x bins"

Issue - State: closed - Opened by dmedora over 1 year ago - 1 comment
Labels: question

#6426 - upgrade CMake in dockerfile-cli (fixes #6420)

Pull Request - State: closed - Opened by narumiruna over 1 year ago - 2 comments
Labels: fix

#6425 - [ci] Skip Arrow tests on AppVeyor, use Intel macOS runners, upgrade to XCode 14.3 on macOS jobs, disable MacOS MPI jobs

Pull Request - State: closed - Opened by borchero over 1 year ago - 13 comments
Labels: maintenance

#6424 - [WIP] Add chosen metric argument to clarify early stopping behaviour

Pull Request - State: open - Opened by sami-ka over 1 year ago - 3 comments
Labels: in progress, feature

#6423 - [python-package] First metric is not used for early stopping

Issue - State: open - Opened by sami-ka over 1 year ago
Labels: feature request

#6422 - checkpoint can't be loaded on MacOS with M3

Issue - State: closed - Opened by guxiaobo over 1 year ago - 13 comments
Labels: bug

#6421 - Memory not being returned to OS on calling C.LGBM_BoosterFree

Issue - State: closed - Opened by alzio2607 over 1 year ago - 17 comments
Labels: question

#6420 - Failed to build by docker

Issue - State: closed - Opened by BrikeX over 1 year ago - 4 comments
Labels: bug

#6419 - Continue traing by C_API

Issue - State: open - Opened by eightreal over 1 year ago - 3 comments
Labels: question

#6418 - [cmake] [c++] use .dylib extension unconditionally on macOS

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 4 comments
Labels: breaking

#6417 - [python-package] CUDA version not truly installing

Issue - State: closed - Opened by T-Flet over 1 year ago - 5 comments
Labels: duplicate, question

#6416 - [ci] clean source directory at the beginning of every Azure DevOps build

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 9 comments
Labels: maintenance

#6415 - Q:error in predict

Issue - State: closed - Opened by JankinTian over 1 year ago - 1 comment
Labels: question

#6414 - [python-package] fix retrain on sequence dataset

Pull Request - State: open - Opened by eromoe over 1 year ago - 5 comments
Labels: fix

#6412 - [R-package] lgb.cv() fails with categorical features

Issue - State: closed - Opened by MathiasAmbuehl over 1 year ago - 4 comments
Labels: bug, r-package

#6411 - LGBMClassifier gives non-deterministic outputs with very low AUC score compared to xgboost and catboost

Issue - State: closed - Opened by sktin over 1 year ago - 3 comments
Labels: question

#6410 - [c++] remove unused variable 'need_connect_cnt'

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6409 - [c++] remove uses of '..' in headers

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 3 comments
Labels: maintenance

#6408 - score belong to different target classes. class 0 when init_score is given else 1

Issue - State: closed - Opened by i-plusplus over 1 year ago - 3 comments
Labels: question

#6407 - [ci] Fix Azure Pipeline Agents

Pull Request - State: closed - Opened by shiyu1994 over 1 year ago - 5 comments
Labels: maintenance

#6406 - [python-package] allow use of early_stopping_round<=0 to turn off early stopping (fixes #6401)

Pull Request - State: closed - Opened by ddelzell over 1 year ago - 10 comments
Labels: fix

#6405 - Classifier predict numerical precision issue with large raw_score

Issue - State: open - Opened by drblarg over 1 year ago - 4 comments
Labels: question

#6404 - [python-package] `init_score` causes the predictions different

Issue - State: closed - Opened by oooo26 over 1 year ago - 7 comments
Labels: question

#6403 - [python-package] prevent build-python.sh from modifying already-installed dependencies

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6402 - [python-package] clarify max_depth warning and limit when it is emitted

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 3 comments
Labels: maintenance

#6401 - [python-package] Early stopping callback added when early_stopping_round = 0

Issue - State: closed - Opened by ddelzell over 1 year ago - 14 comments
Labels: bug

#6400 - [python-package] LGBM hangs with high number of categories

Issue - State: closed - Opened by mavillan over 1 year ago - 3 comments
Labels: duplicate

#6399 - [GPU] Kernel crashed when using GPU

Issue - State: closed - Opened by JuseTiZ over 1 year ago - 6 comments
Labels: question

#6398 - [R-package] expose start_iteration to dump/save/lgb.model.dt.tree

Pull Request - State: closed - Opened by mayer79 over 1 year ago - 5 comments
Labels: feature

#6397 - [R-package] Expose start_iteration to dump/save/lgb.model.dt.tree

Issue - State: closed - Opened by mayer79 over 1 year ago - 1 comment
Labels: feature request, r-package

#6396 - [docs] document how to use a custom objective function via the C API

Pull Request - State: closed - Opened by parsiad over 1 year ago - 2 comments
Labels: doc

#6395 - [ci] reduce hard-coding of host architecture

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6394 - remove unnecessary omp single that cause deadlock (fixes #6273)

Pull Request - State: closed - Opened by morokosi over 1 year ago - 2 comments
Labels: fix

#6393 - LGBM_BoosterUpdateOneIterCustom requires objective_func_ not null

Issue - State: closed - Opened by parsiad over 1 year ago - 3 comments
Labels: question

#6392 - [QUESTION] Adding trees manually on txt file

Issue - State: closed - Opened by NDanies over 1 year ago - 3 comments
Labels: question

#6391 - [ci] [python-package] add arm64 macOS wheels

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 5 comments
Labels: feature

#6390 - [Question] Setting values for linear coefficient

Issue - State: open - Opened by velezbeltran over 1 year ago - 5 comments
Labels: feature request

#6389 - Custom loss for LightGBM lead to negative probability prediction

Issue - State: closed - Opened by ahalaha over 1 year ago - 3 comments
Labels: question

#6387 - Segmentation fault when use compilation option -DUSE_TIMETAG=ON

Issue - State: open - Opened by Piao-WU over 1 year ago - 2 comments
Labels: question

#6386 - Segmentation fault when use compilation option -DUSE_TIMETAG=ON

Issue - State: closed - Opened by Piao-WU over 1 year ago - 1 comment
Labels: invalid

#6385 - [python-package] UserWarning with num_iterations

Issue - State: closed - Opened by JAroyan over 1 year ago - 4 comments
Labels: duplicate

#6384 - [python-package] Can't retrieve best_iteration after Optuna optimization

Issue - State: open - Opened by YingJie-Zhao over 1 year ago - 18 comments
Labels: question

#6383 - Warning when using sparse categorical values

Issue - State: open - Opened by mjalse over 1 year ago - 1 comment
Labels: question

#6382 - Uncertainty and Prediction Intervals in LightGBM

Issue - State: open - Opened by tiagoleonmelo over 1 year ago - 15 comments
Labels: question

#6381 - WIP: [ci] [R-package] re-enable clang-18 testing (fixes #6369)

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 2 comments
Labels: maintenance

#6380 - [R-package] lightgbm::lgb.model.dt.tree() error caused by lgb.dump() error with large models

Issue - State: open - Opened by p-schaefer over 1 year ago - 12 comments
Labels: r-package

#6379 - CentOS7 LGBM_BoosterSaveModel succeed but without model files

Issue - State: open - Opened by ZoeZhang91 over 1 year ago - 2 comments
Labels: question

#6378 - [R-package] how do I build a GPU-enabled version of the R package?

Issue - State: closed - Opened by nipnipj over 1 year ago - 9 comments
Labels: question, r-package

#6377 - [R-package] ensure use of interaction_constraints does not lead to features being ignored

Pull Request - State: closed - Opened by mayer79 over 1 year ago - 7 comments
Labels: fix

#6376 - [R-package] [python-package] More convenient API for interaction_constraints

Issue - State: open - Opened by mayer79 over 1 year ago - 11 comments
Labels: r-package

#6375 - [ci] raise floors on CI dependencies

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 4 comments
Labels: maintenance

#6374 - [ci] [R-package] re-enable r-sanitizers jobs (fixes #6367)

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 2 comments
Labels: maintenance

#6373 - [ci] prevent trailing whitespace, ensure files end with newline

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6372 - [ci] [python-package] remove unused flake8 configuration

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6371 - [docs] remove language about CUDA version being experimental (fixes #6340)

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 1 comment
Labels: doc

#6370 - [ci] put ceiling on graphviz in Python 3.7 jobs

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 3 comments
Labels: maintenance

#6369 - [ci] [R-package] clang-18 jobs failing

Issue - State: open - Opened by jameslamb over 1 year ago - 1 comment
Labels: maintenance

#6368 - [docs] [ci] encourage use of `cmake --build`

Pull Request - State: closed - Opened by jameslamb over 1 year ago - 5 comments
Labels: doc

#6367 - [ci] [R-package] r-sanitizers jobs segfaulting while installing packages

Issue - State: closed - Opened by jameslamb over 1 year ago - 6 comments
Labels: maintenance

#6366 - [ci] [R-package] macOS CI jobs failing: "Download failed on Cask 'basictex'"

Issue - State: closed - Opened by jameslamb over 1 year ago - 3 comments
Labels: maintenance

#6365 - [ci] [python-package] [dask] some CI jobs broken, others skipping Dask tests

Issue - State: closed - Opened by jameslamb over 1 year ago - 5 comments
Labels: maintenance, dask

#6364 - [R-package] Speed-up lgb.importance()

Pull Request - State: closed - Opened by mayer79 over 1 year ago - 9 comments
Labels: efficiency