To cite chaid in publications use:

The FoRt Student Project Team 2009, Hothorn T, Zeileis A (2026). chaid: Chi-Squared Automatic Interaction Detection. R package version 0.1-3, https://zeileis.codeberg.page/chaid/.

Corresponding BibTeX entry:

  @Manual{,
    title = {{chaid}: Chi-Squared Automatic Interaction Detection},
    author = {{The FoRt Student Project Team 2009} and Torsten Hothorn
      and Achim Zeileis},
    year = {2026},
    note = {R package version 0.1-3},
    url = {https://zeileis.codeberg.page/chaid/},
  }