In xgb cost model, it extracts feature some kind of methods(itervar, curve, knobs) But, its size depends on kind of knobs and # of knobs. So any other method, I extract the constant size of feature from any schs and tasks
In xgb cost model, it extracts feature some kind of methods(itervar, curve, knobs) But, its size depends on kind of knobs and # of knobs. So any other method, I extract the constant size of feature from any schs and tasks