def clear_interpretations(self, message=None):
        """
        Clears all specimen interpretations

        Parameters
        ----------
        message : message to display when warning the user that all
        fits will be deleted. If None default message is used (None is
        default)
        """
        if self.total_num_of_interpertations() == 0:
            print("There are no interpretations")
            return True

        if message == None:
            message = "All interpretations will be deleted all unsaved data will be irretrievable, continue?"
        dlg = wx.MessageDialog(self, caption="Delete?",
                               message=message, style=wx.OK | wx.CANCEL)
        result = self.show_dlg(dlg)
        dlg.Destroy()
        if result != wx.ID_OK:
            return False

        for specimen in list(self.pmag_results_data['specimens'].keys()):
            self.pmag_results_data['specimens'][specimen] = []
            # later on when high level means are fixed remove the bellow loop and loop over pmag_results_data
            for high_level_type in ['samples', 'sites', 'locations', 'study']:
                self.high_level_means[high_level_type] = {}
        self.current_fit = None
        if self.ie_open:
            self.ie.update_editor()
        return True
Clears all specimen interpretations

        Parameters
        ----------
        message : message to display when warning the user that all
        fits will be deleted. If None default message is used (None is
        default)