_base.py 文件源码

def transform(self, X, *args, **kwargs):
        """
        Transforms ``X`` using the transformers, uses :func:`pandas.concat`
        to horizontally concatenate the results.
        """
        verify_x_type(X)

        Xts = joblib.Parallel(n_jobs=self.n_jobs)(
            joblib.delayed(_transform)(trans, weight, X, *args, **kwargs) for _, trans, weight in self._iter())
        return self.__concat(Xts)