def completeness_score(self, reference_clusters):
        """
        Calculates the completeness score w.r.t. the reference clusters (explicit evaluation)

        :param reference_clusters: Clusters that are to be used as reference
        :return: the resulting completeness score
        """
        return completeness_score(self.get_labels(self), self.get_labels(reference_clusters))
Calculates the completeness score w.r.t. the reference clusters (explicit evaluation)

        :param reference_clusters: Clusters that are to be used as reference
        :return: the resulting completeness score