Conditional Independence Test Reference

This section provides detailed documentation for each of the conditional independence tests implemented in the citk library, organised by survey taxonomy family.

Partial Correlation

• Fisher’s Z Test
• Spearman’s Rho Test

Contingency Table

• Chi-Squared Test
• G-Squared Test

Regression

• Regression-Based Conditional Independence (RegressionCI) Test
• Symmetric Mixed-Model Conditional Independence (CiMM) Test

Nearest Neighbor

• Nearest-Neighbor Conditional Mutual Information (CMIknn) Test
• Mixed-Data Nearest-Neighbor CMI (CMIknnMixed) Test
• Multivariate Mixed kNN-CMI (mCMIkNN) Test

Kernel

• Kernel Conditional Independence (KCI) Test
• Randomized Conditional Independence Test (RCIT)
• Randomized Conditional Correlation Test (RCoT)

Machine-Learning-Based

• Generalised Covariance Measure (GCM) Test
• Weighted Generalised Covariance Measure (WGCM) Test
• Projected Covariance Measure (PCM) Test

Adapter Strategies

• Discretised Chi-Squared (DiscChiSq) Test
• Discretised G-Squared (DiscGSq) Test
• Dummy-Encoded Fisher’s Z (DummyFisherZ) Test
• Hartemink Discretisation + Chi-Squared (HarteminkChiSq) Test