confint_search          Confidence interval search procedure
est_null_model          Estimates null model
gen_rand_order          Function to generate a stepped-wedge cRCT
                        randomisation allocation
outname_fit             Extracts the dependent variable name from glm,
                        lm, or mer model
perm_dist               Extracts the test statistics
permutation_test_impl   Generates realisations of the permutational
                        test statistic distribution
qscore_impl             The quasi-score statistic for a generalised
                        linear mixed model
setParallelCRT          Disable or enable parallelised computing
simpleLM                A very basic linear model solver
stepdown                Conduct the randomisation-based stepdown
                        procedure
twoarm_sim              Simulates data from a two-arm parallel cluster
                        randomised trial
