Grouped Boxplots for Circular Data R package CircularBoxplots version 0.1.2 Plotting functions to create circular boxplots for grouped data. The primary 2-dimensional version creates concentric circular boxplots for specified groups, scaling the width of each boxplot to adjust for human perception. The 3-dimensional version maps these plots onto a torus which is suitable for periodic circular data such as wind direction over the course of a year. An example dataset of this type is provided for reference. For examples of circular boxplots and additional implementation details, see Berlinski et al. (2026) <doi:10.48550/arXiv.2602.05335>. Software Depends: R (>= 3.5.0) Imports: circular, plotrix, rgl, RColorBrewer, plot3D, grDevices Josh Berlinski <jdberlinski@gmail.com> Comprehensive R Archive Network (CRAN) Josh Berlinski [aut, cre], Fan Dai [aut] GPL-2 2026-05-13 application/tgz https://CRAN.R-project.org/package=CircularBoxplots doi:10.32614/CRAN.package.CircularBoxplots