A function that creates an identical regressor.
A function that creates an identical regressor.
A function that is guaranteed to receive an appropriate target variable when called.
A function that is guaranteed to receive an appropriate target variable when called. Additionally, the object is guaranteed not to be fitted.
A function that is guaranteed to be called on a fitted model.
A function that is guaranteed to be called on a fitted model.
A function that checks whether the target variable contains valid data.
A function that checks whether the target variable contains valid data.