CircularDDM             Circular Drift-diffusion Model
besselzero              Find First k Positive Zeros for the Bessel
                        Functions
dcddm                   The Circular Drift-diffusion Distribution
logLik_dt               Log-Likelihood for Circular First Passage Time
logLik_resp             Log-Likelihood for Continuous Reports
rvm                     Generate random deviates for the von Mises
                        distribution
