def create_tile_record(self, tile_contents):
        self.collection.mark_tile_for_creation(tile_contents)
        return TileRecord(self.collection, self, tile_contents)
Find the concordance index in n * log(n) time.
dataset/ETHPy150Open GeoscienceAustralia/agdc/src/abstract_ingester/dataset_record.py/DatasetRecord.create_tile_record--crossover with--dataset/ETHPy150Open CamDavidsonPilon/lifelines/lifelines/utils/__init__.py/_concordance_index