Estimator for nested models.
Given models trained for each fork create a combined model.
Given models trained for each fork create a combined model. This model is the result of the estimator.
Override this method and create forks to train from the data.
Override this method and create forks to train from the data.
Nested estimator to call for each fork.
Nested estimator to call for each fork.
Collects all classes in the dataset and trains a model for each class. Base class for multi-class and linear combination model.