Add sample weight to LightGBM#147

Merged

artpdr merged 27 commits into

feedzai:masterfrom

jpleitao:ft-jl-lightgbm-sample-weight

May 19, 2026

Commits on May 13, 2026

lightgbm: Add SoftLabelParamParserUtil

AlbertoEAF
authored and
Joaquim Leitao
committed
chore(lightgbm): move SchemaFieldsUtil to lightgbm package
Joaquim Leitao
committed
feat(lightgbm): added utility class to parse lightgbm sample weight train parameter
Joaquim Leitao
committed
feat(lightgbm): add sample weight parameter to lightgbm descriptor
Joaquim Leitao
committed
feat(lightgbm): modify training to make use of sample weight, when provided
Joaquim Leitao
committed

Commits on May 14, 2026

chore(lightgbm): updated tests to validate sample weight
Joaquim Leitao
committed
chore(cicd): bump cache maven packages
Joaquim Leitao
committed
fix(submodules): pointing make-lightgbm submodule to fork with AMD64 dockerfile based on manylinux_2_28
Joaquim Leitao
committed
fix(submodules): update make-lightgbm submodule
Joaquim Leitao
committed
fix(submodules): update make-lightgbm submodule
Joaquim Leitao
committed
fix(submodules): update make-lightgbm submodule
Joaquim Leitao
committed
fix(pom): pin maven-antrun-plugin version
Joaquim Leitao
committed

Commits on May 15, 2026

chore(cicd): bumping codecod to v5
Joaquim Leitao
committed
fix(lightgbm): add check for sample weight values
Joaquim Leitao
committed
chore(tests): added tests for SchemaFieldsUtil class
Joaquim Leitao
committed
chore(tests): add test for negative sample weights
Joaquim Leitao
committed
fix(submodules): update make-lightgbm submodule
Joaquim Leitao
committed

Commits on May 18, 2026

chore(tests): added tests to cover untested lines
Joaquim Leitao
committed
fix(submodules): pointing make-lightgbm to latest upstream
Joaquim Leitao
committed
chore(fairgbm-descriptor): fix link to feedzai's fairgbm documentation
Joaquim Leitao
committed
chore(lint): fix variable name and added missing parameter to method documentation
Joaquim Leitao
committed
fix(lightgbm): simplified logic to determine the number of features, and replaced inefficient comparison during copy to SWIG arrays
Joaquim Leitao
committed

Commits on May 19, 2026

chore(lightgbm): added method to retrieve the relevant schema for loading the model
Joaquim Leitao
committed
chore(lightgbm): updated javadoc and parameter names in LightGBMModelCreator.schemaMatchAllFeatures
Joaquim Leitao
committed
chore(lightgbm): unified logic to sanitize field names (replace space with underscore) in single method
Joaquim Leitao
committed
fix(lightgbm): fixed validations for model's predictive fields - ensuring only the sample weight field can differ between model and dataset schema
Joaquim Leitao
committed
chore(lightgbm): fix constructor argument
Joaquim Leitao
committed