def __call__(self, global_conf, **local_conf):
        factory = self._import_factory(local_conf)
        return factory(self.conf, **local_conf)
Returns the estimated covariance of the values in the passed
dataset/ETHPy150Open rcbops/glance-buildpackage/glance/common/wsgi.py/AppFactory.__call__--crossover with--dataset/ETHPy150Open radlab/sparrow/src/main/python/third_party/stats.py/lcov