def untransform_X(self, X):
    '\n        Untransforms X to its original values\n\n        :param\n         X: transformed X\n        :return\n         untransformed X\n        '
    raise NotImplementedError()
Untransforms X to its original values

:param
 X: transformed X
:return
 untransformed X
def untransform_X(self, X):
    '\n        Untransforms X to its original values\n\n        :param\n         X: transformed X\n        :return\n         untransformed X\n        '
    raise NotImplementedError()