Blend trees and counters of two or more trained CatBoost models into a new model. Leaf values can be individually weighted for each input model. For example, it may be useful to blend models trained on different validation datasets.
Method call format
sum_models(models, weights=None, ctr_merge_policy='IntersectingCountersAverage')
|Parameter||Possible values||Description||Default value|
|models||list of CatBoost models|| |
A list of models to blend.
|weights||list of numbers|| |
A list of weights for the leaf values of each model. The length