def clear_high_level_pars(self):
        """
        clears all high level pars display boxes
        """
        for val in ['mean_type', 'dec', 'inc', 'alpha95', 'K', 'R', 'n_lines', 'n_planes']:
            COMMAND = """self.%s_window.SetValue("")""" % (val)
            exec(COMMAND)
        if self.ie_open:
            for val in ['mean_type', 'dec', 'inc', 'alpha95', 'K', 'R', 'n_lines', 'n_planes']:
                COMMAND = """self.ie.%s_window.SetValue("")""" % (val)
                exec(COMMAND)
        self.set_mean_stats_color()
clears all high level pars display boxes