GElesions               Total number of new galodinium-enhancing
                        lesions.
T2lesions               Number of new and enlarging T2 lesions per
                        patient.
ThreeArmedTrials        Design and Analysis of Three-armed Clinical
                        Non-Inferiority or Superiority Trials with
                        Active and Placebo Control
check_RET_arguments     check_RET_arguments
check_missing           check_missing
is.naturalnumber        is.naturalnumber
loglikelihood_binary    loglikelihood_binary
opt_alloc_RET           Optimal sample size for three-arm trials when
                        analyzed with a Wald-type test
power_RET               Power related calculations for three-arm
                        clinical trials
remission               Remission in clinical trial in patients with
                        depression.
seizures                Number of seizures per patient.
test_RET                Wald-type test for three-arm trials
