To cite package ‘HDiR’ in publications use:

  Saavedra-Nieves P, Crujeiras R (2026). _HDiR: Directional Highest
  Density Regions_. R package version 1.1.3,
  <https://github.com/cranhaven/cranhaven.r-universe.dev>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {HDiR: Directional Highest Density Regions},
    author = {Paula Saavedra-Nieves and Rosa M Crujeiras},
    year = {2026},
    note = {R package version 1.1.3},
    url = {https://github.com/cranhaven/cranhaven.r-universe.dev},
  }