def __add__(self, other):
model = copy.deepcopy(self)<EOL>model.coef_ += other.coef_<EOL>model.intercept_ += other.intercept_<EOL>return model<EOL>
Add method for Linear models with coef and intercept attributes.

        Parameters
        ----------
        other : fitted sklearn linear model
            Model to add.

        Returns
        -------
        model : Linear model
            Model with updated coefficients.