To cite package ‘pid’ in publications use:

  Dunn K (2026). _pid: Process Improvement using Data_. R package
  version 0.65,
  <https://github.com/kgdunn/r-package-pid-process-improvement-using-data>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pid: Process Improvement using Data},
    author = {Kevin Dunn},
    year = {2026},
    note = {R package version 0.65},
    url = {https://github.com/kgdunn/r-package-pid-process-improvement-using-data},
  }
