Union of (converted) S3 classes for individual base learners as defined in their corresponding packages. The special class "character" has been added to allow for returning filepaths when saving estimation objects to disk.
Objects from this class are typically returned as part of
FitObj family of classes.
No methods defined with class "RegressionEstObj" in the signature.
Alireza S. Mahani, Mansour T.A. Sharabiani