Two-point correlation functions
================================

Stable estimators
-----------------

.. automodule:: sum_stat.twopcf.angular
   :members:

.. automodule:: sum_stat.twopcf.projected
   :members:

Development estimators
----------------------

.. warning::

   The estimators below (**3D ξ(r)** and **multipoles ξ\ :sub:`ℓ`\ (s)**) are
   **in active development**.  Their results have not been validated against
   reference data and the APIs may change without notice.  Do not use for
   scientific analysis.

.. automodule:: sum_stat.twopcf.spatial
   :members:

.. automodule:: sum_stat.twopcf.multipoles
   :members: