(self, columns=None)
Compute basic stats for each of the columns.

        :param columns: columns to calculate stats for. None = all of them
        :return: tuple(min, max, mean, 0, #nans, #non-nans)
Compute basic stats for each of the columns.
Compute basic stats for each of the columns .
def _compute_basic_stats(self, columns=None):
        """Compute basic stats for each of the columns.

        :param columns: columns to calculate stats for. None = all of them
        :return: tuple(min, max, mean, 0, #nans, #non-nans)
        """
        raise NotImplementedError
def _compute_basic_stats ( self , columns = None ) : raise NotImplementedError