To cite package ‘arenar’ in publications use:

  Piątyszek P, Biecek P (2026). _arenar: Arena for the Exploration and
  Comparison of any ML Models_. R package version 0.2.0,
  <https://github.com/modeloriented/arenar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {arenar: Arena for the Exploration and Comparison of any ML Models},
    author = {Piotr Piątyszek and Przemyslaw Biecek},
    year = {2026},
    note = {R package version 0.2.0},
    url = {https://github.com/modeloriented/arenar},
  }