To cite package ‘levelSets’ in publications use:

Raubertas R (2026). levelSets: Ray-Based Mapping and Visualization of Level Sets (Excursion Sets). R package version 0.8.2, https://CRAN.R-project.org/package=levelSets.

Corresponding BibTeX entry:

  @Manual{,
    title = {levelSets: Ray-Based Mapping and Visualization of Level
      Sets (Excursion Sets)},
    author = {Richard Raubertas},
    year = {2026},
    note = {R package version 0.8.2},
    url = {https://CRAN.R-project.org/package=levelSets},
  }