angle_diff_rad          Differences between angles in different
                        circular spaces
Bae_Luck_2018_data      Data from a motion estimation task
circ_corr               Circular correlation coefficient
circ_descr              A set of descriptive statistics for circular
                        data
circ_lin_corr           Circular-linear correlation
circ_loess              An implementation of circular-linear
                        locally-weighted regression (LOESS)
circ_mean_rad           Circular mean
circ_sd_rad             Circular standard deviation
correct_angle_rad       Get angle value in [-pi, pi] space
density_asymmetry       Compute asymmetry in weighted probability
                        density
density_asymmetry_discrete
                        Compute asymmetry in weighted probability
                        density for discrete data
pad_circ                Pad circular data on both ends
Pascucci_et_al_2019_data
                        Data from an orientation estimation task
remove_cardinal_biases
                        Remove cardinal biases
remove_cardinal_biases_discrete
                        Remove cardinal biases for data with
                        orientation (color, motion, ...) set in
                        discrete steps
smoothed_circ_sd        Compute smoothed estimate of circular standard
                        deviation
vm_kappa_to_circ_sd     Conversion between the circular SD and kappa of
                        von Mises
weighted_circ_mean      Weighted circular parameters
weighted_sem            Weighted standard error of the mean (SEM_w)
