def cluster_template_events_single_ifo(
            self, tcolumn, column, window_size, ifo):
        """ Cluster the internal events over the named column
        """
        # Just call through to the standard function
        self.template_events = self.template_event_dict[ifo]
        self.cluster_template_events(tcolumn, column, window_size)
        self.template_event_dict[ifo] = self.template_events
        self.template_events = None
Cluster the internal events over the named column