code: def _compute_vectorized(self, *args):
          
          if self._f_compare_vectorized:
              return self._f_compare_vectorized(
                  *(args + self.args), **self.kwargs)
          else:
              raise NotImplementedError()
docs: Compare attributes (vectorized)
  
          Parameters
          ----------
          *args : pandas.Series
              pandas.Series' as arguments.
  
          Returns
          -------
          pandas.Series, pandas.DataFrame, numpy.ndarray
              The result of comparing record pairs (the features). Can be
              a tuple with multiple pandas.Series, pandas.DataFrame,
              numpy.ndarray objects.