To cite package ‘certetoolbox’ in publications use:

Berends MS, Hassing EEA, Dijkstra E (2026). certetoolbox: A Certe R Package for Miscellaneous Functions. R package version 1.23.5, https://github.com/certe-medical-epidemiology/certetoolbox.

Corresponding BibTeX entry:

  @Manual{,
    title = {certetoolbox: A Certe R Package for Miscellaneous
      Functions},
    author = {Matthijs S. Berends and Erwin E. A. Hassing and Erwin
      Dijkstra},
    year = {2026},
    note = {R package version 1.23.5},
    url = {https://github.com/certe-medical-epidemiology/certetoolbox},
  }