To cite package ‘trtf’ in publications use:

Hothorn T (2026). trtf: Transformation Trees and Forests. R package version 0.4-3, https://r-forge.r-project.org/projects/ctm.

Corresponding BibTeX entry:

  @Manual{,
    title = {trtf: Transformation Trees and Forests},
    author = {Torsten Hothorn},
    year = {2026},
    note = {R package version 0.4-3},
    url = {https://r-forge.r-project.org/projects/ctm},
  }