def set_xticklabels_position(self, row, column, position):
        """Specify the position of the axis tick labels.

        This is generally only useful for multiplots containing only one
        row.  This can be used to e.g. alternatively draw the tick labels
        on the bottom or the top of the subplot.

        :param row,column: specify the subplot.
        :param position: 'top' or 'bottom' to specify the position of the
            tick labels.

        """
        subplot = self.get_subplot_at(row, column)
        subplot.set_xticklabels_position(position)