Constraint-based causal discovery methods
====================================================
In this section, we would like to introduce constraint-based causal discovery methods, including PC [1]_, FCI [2]_, and CD-NOD [3]_.


Contents:

.. toctree::
    :maxdepth: 2

    PC
    FCI
    CDNOD

.. [1] Spirtes, P., Glymour, C. N., Scheines, R., & Heckerman, D. (2000). Causation, prediction, and search. MIT press.
.. [2] Spirtes, P., Meek, C., & Richardson, T. (1995, August). Causal inference in the presence of latent variables and selection bias. In Proceedings of the Eleventh conference on Uncertainty in artificial intelligence (pp. 499-506).
.. [3] Huang, B., Zhang, K., Zhang, J., Ramsey, J. D., Sanchez-Romero, R., Glymour, C., & Schölkopf, B. (2020). Causal Discovery from Heterogeneous/Nonstationary Data. J. Mach. Learn. Res., 21(89), 1-53.
