ISD.BV                  Bayesian variability modeling method for
                        modeling intraindividual standard deviation as
                        a predictor
IVAR.BV                 Bayesian variability modeling method for
                        modeling intraindividual variance as a
                        predictor
IVAR.TPB                Time parceling (with bootstrap) method for
                        modeling intraindividual variance as a
                        predictor
