b682d1f8b0e32517805828c8dc15e933d0057335,lifelines/fitters/__init__.py,ParametricRegressionFitter,_fit,#ParametricRegressionFitter#,1632

Before Change

            // the .intersection preserves order, important!
            self.regressors = {name: list(df.columns.intersection(cols)) for name, cols in sorted(regressors.items())}
        else:
            self.regressors = {name: df.columns.tolist() for name in sorted(self._fitted_parameter_names)}
        assert all(
            len(cols) > 0 for cols in self.regressors.values()
        ), "All parameters must have at least one column associated with it. Did you mean to include a constant column?"

After Change

            df = self._filter_dataframe_to_covariates(df).astype(float)
            

        self.regressors, Xs = self._create_design_matrices(regressors)

        _index = pd.MultiIndex.from_tuples(
            sum(([(name, col) for col in columns] for name, columns in self.regressors.items()), [])

Instances