Returns an iterator over the RnaQuantificationSet objects from the
        server

def search_rna_quantification_sets(self, dataset_id):
        """
        Returns an iterator over the RnaQuantificationSet objects from the
        server
        """
        request = protocol.SearchRnaQuantificationSetsRequest()
        request.dataset_id = dataset_id
        request.page_size = pb.int(self._page_size)
        return self._run_search_request(
            request, "rnaquantificationsets",
            protocol.SearchRnaQuantificationSetsResponse)