GitLab

* Add R-squared metric, documentation, and tests

* Fix static ci checks: correct Sklearn r2_score URL link, fix cpp linting errors

* Replace non-static data members from pragma reduction with variables

* Update src/metric/metric.cpp

* Add additional asserts, remove needless y.copy()

* Add back y.copy()

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Co-authored-by: James Lamb <jaylamb20@gmail.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

[ci][docs] fix link checking action by switching from linkchecker to lychee and update some links (#7027)

* Update setup.sh

* Update build-docs.sh

* Update test-windows.ps1

* [ci] [C++] drop support for Visual Studio 2015 (fixes #6803)

* update more references

* [ci] some additional changes to drop VS2015 and make it work from solution file (#7046)

* Update LightGBM.vcxproj

* Update LightGBM.vcxproj.filters

* Update Installation-Guide.rst

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [docs] update Ray section

* [docs] add Ray to external repositories

* [docs] simplify Ray note

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

[docs] [ci] skip scikit-learn 1.7.1 in docs build, make tests compatible with pandas 3.0, use new Azure DevOps pool (#6979)

* Update README.md

Current hyperlink for Meng et al. 2016 points to an incorrect proceeding at NeurIPS

* update one more link

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Co-authored-by: James Lamb <jaylamb20@gmail.com>
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [docs] document use of EffVer

* change heading

* move nightly builds note

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [python-package] Add superfluous-else-raise rule to ruff lint configuration

* [python-package] Fix code to follow superfluous-else-raise rule

* [python-package] Move RET506 after RET504 to maintain alphabetical order and add source rule set comment

* [python-package] Revert unintended change to preserve original formatting

* [ci] [Dask] enable Dask tests on macOS

* fix windows condition

* fix merge conflicts

Co-authored-by: shiyu1994 <shiyu_k1994@qq.com>
Co-authored-by: GitHub Actions Bot <githubactionsbot@users.noreply.github.com>

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* [python-package] support Python 3.13

* update everything in the base conda environment, not just conda

* python packages now use 'cp' instead of 'cpython'

* fix python_package

* get more logs

* try to force a better solver error

* merge latest

* use build= explicitly

* restore all CI, revert debugging changes

* Update .ci/test.sh

* empty commit to re-trigger CI

* update docs conda env

* pin to specific OS and mambaforge

* Update .github/workflows/python_package.yml
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* update default Python version in .vsts-ci.yml

* remove upper-version pins

* update RTD image

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update Installation-Guide.rst

* Update script.js

* replace all Ninja sections with one paragraph

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Co-authored-by: shiyu1994 <shiyu_k1994@qq.com>

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* lint js code

* hotfix

* Update .editorconfig
Co-authored-by: James Lamb <jaylamb20@gmail.com>

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Co-authored-by: James Lamb <jaylamb20@gmail.com>

* Update script.js

* Update script.js

* Update script.js

* Update script.js

* replace url at build time

* manipulate with raw files

* Remove only cpu note

* Change Note for linear tree

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>
Co-authored-by: James Lamb <jaylamb20@gmail.com>

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* add bagging by query for lambdarank

* fix pre-commit

* fix bagging by query with cuda

* fix bagging by query test case

* fix bagging by query test case

* fix bagging by query test case

* add #include <vector>

* Update include/LightGBM/objective_function.h
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update tests/python_package_test/test_engine.py
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* Update tests/python_package_test/test_engine.py
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

[ci] [python-package] temporarily stop testing against scikit-learn nightlies, load lib_lightgbm earlier (#6654)

Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

Co-authored-by: James Lamb <jaylamb20@gmail.com>

* [docs] update and simplify installation docs

* Apply suggestions from code review
Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

* remove more references to CMake and GLIBC versions

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Co-authored-by: Nikita Titov <nekit94-08@mail.ru>

fix documentation for quantized training