To cite package ‘rarefun’ in publications use:

  Lyubchich V, Nesslage G (2026). _rarefun: Functions for Rare Events
  Analysis_. R package version 0.1.0,
  <https://github.com/vlyubchich/rarefun>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {rarefun: Functions for Rare Events Analysis},
    author = {Vyacheslav Lyubchich and Geneviève Nesslage},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/vlyubchich/rarefun},
  }