To cite package ‘Umpire’ in publications use:

Coombes K, Zhang J, Coombes C (2026). Umpire: Simulating Realistic Gene Expression and Clinical Data. R package version 2.0.12, https://CRAN.R-project.org/package=Umpire.

Corresponding BibTeX entry:

  @Manual{,
    title = {Umpire: Simulating Realistic Gene Expression and Clinical
      Data},
    author = {Kevin R. Coombes and Jiexin Zhang and Caitlin E.
      Coombes},
    year = {2026},
    note = {R package version 2.0.12},
    url = {https://CRAN.R-project.org/package=Umpire},
  }