To cite package ‘portion’ in publications use:

Oelschläger L (2026). portion: Extracting a Data Portion. R package version 0.1.3, https://github.com/loelschlaeger/portion.

Corresponding BibTeX entry:

  @Manual{,
    title = {portion: Extracting a Data Portion},
    author = {Lennart Oelschläger},
    year = {2026},
    note = {R package version 0.1.3},
    url = {https://github.com/loelschlaeger/portion},
  }