src/metric/metric.cpp · 6f0d7cc2dee9f0d71450287ecdbeeecc5d43791b · tianlh / LightGBM-DCU

"...git@developer.sourcefind.cn:tianlh/lightgbm-dcu.git" did not exist on "6368375b621070821290b9e3df3bdabd8038f8b8"

[c++] Add CPU version of standard R-squared metric (#7008) · 6f0d7cc2

Nick Miller authored Oct 13, 2025



* 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()

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

6f0d7cc2

metric.cpp 6.42 KB

Replace metric.cpp