Changes in version 1.3 - remove_cardinal_biases(): replaced gamlss dependency with a native P-spline + REML/EM implementation. Results are numerically equivalent; runtime is approximately 2× faster. - Removed gamlss from package imports. Changes in version 1.2 - Added density_asymmetry_discrete(). - Added smoothed_circ_sd(). - Improved density_asymmetry() speed and options. Changes in version 1.1.3 - Added smoothed_circ_sd(). - Improved speed of density_asymmetry() by using matrix multiplication. - Added "average" as a bandwidth option in density_asymmetry(). - Updated imports (ggplot2, stats) and documentation. Changes in version 1.1.2 - Added density_asymmetry_discrete(). - Added return_full_density option to density_asymmetry(). - Updated vignettes and package documentation/site build. Changes in version 1.1.1 - Added density_asymmetry() to analyze the asymmetry in response probabilities. Changes in version 1.1 (2024-07-04) - Initial CRAN submission.