Utilities
=========

Containers
----------

.. module:: linearmodels.utility
   :synopsis: Utilities used across all model types

.. currentmodule:: linearmodels.shared.utility


.. autosummary::
   :toctree: utility/

   AttrDict


Hypothesis Testing
------------------

.. currentmodule:: linearmodels.shared.hypotheses


.. autosummary::
   :toctree: utility/

   WaldTestStatistic
   InvalidTestStatistic


Covariance Estimation
---------------------

.. currentmodule:: linearmodels.shared.covariance


.. autosummary::
   :toctree: utility/

   cov_cluster
   cov_kernel
   group_debias_coefficient