(self, c)
Return the transformed value of the argument `c`, which can be a number
        of a vector view.
Return the transformed value of the argument `c`, which can be a number
        of a vector view.
Return the transformed value of the argument c which can be a number of a vector view .
def transform(self, c):
        """
        Return the transformed value of the argument `c`, which can be a number
        of a vector view.
        """
        raise NotImplementedError(
            "ColumnTransformations must implement method 'transform'.")
def transform ( self , c ) : raise NotImplementedError ( "ColumnTransformations must implement method 'transform'." )