The python implementation of this objective function, meeting the requirements of Fresa which are to return the objective function value and the violation of constraints, follows: ...
I tried a custom ranking objective function for LGBMRanker but LGBMRanker does not call the custom loss function with the group argument, which is mandatory for learning to rank. import lightgbm as ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback