To cite package ‘UPCM’ in publications use:

Schauberger G (2026). UPCM: Uncertainty in Partial Credit Models. R package version 0.0-5, https://CRAN.R-project.org/package=UPCM.

Corresponding BibTeX entry:

  @Manual{,
    title = {UPCM: Uncertainty in Partial Credit Models},
    author = {Gunther Schauberger},
    year = {2026},
    note = {R package version 0.0-5},
    url = {https://CRAN.R-project.org/package=UPCM},
  }