# Constrained-based causal discovery methods

In this section, we would like to introduce constrained-based causal discovery methods, including PC 1 and FCI 2.

Contents:

- PC
  - Algorithm Introduction
  - Usage
  - Parameters
  - Returns
- FCI
  - Algorithm Introduction
  - Usage
  - Parameters
  - Returns

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).