X_perm                  Compute the conditional permutations
ccdf                    Estimate the empirical conditional cumulative
                        distribution function
cit_asymp               Asymptotic test for conditional independence
cit_gsa                 Conditional independence test for gene set
                        analysis
cit_multi               Multiple conditional independence testing
cit_perm                Permutation test for conditional independence
perm_cont               Permutation procedure when Z is continuous
plot.cit_gsa            Plot the conditional CDFs of every gene in a
                        gene set
plot.cit_multi          Plot of gene-wise p-values
plot_compare_ccdf       Function to plot the CCDF according to the type
                        of X and Z
