def trimquants(self, col: str, inf: float, sup: float):
        """
        Remove superior and inferior quantiles from the dataframe

        :param col: column name
        :type col: str
        :param inf: inferior quantile
        :type inf: float
        :param sup: superior quantile
        :type sup: float

        :example: ``ds.trimquants("Col 1", 0.01, 0.99)``
        """
        try:
            self.df = self._trimquants(col, inf, sup)
        except Exception as e:
            self.err(e, self.trimquants, "Can not trim quantiles")