def get_events_with_cluster_size(event_number, cluster_size, condition='<STR_LIT>'):
logging.debug("<STR_LIT>" + condition)<EOL>return np.unique(event_number[ne.evaluate(condition)])<EOL>
Selects the events with cluster of a given cluster size.

    Parameters
    ----------
    event_number : numpy.array
    cluster_size : numpy.array
    condition : string

    Returns
    -------
    numpy.array