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To cite the underdisp package in publications use:

Bagozzi B (2026). underdisp: Diagnostics and Models for Underdispersed Count Data. R package version 0.1.1, https://CRAN.R-project.org/package=underdisp.

The at-risk screen, the calibrated threshold, and the fixed-effects results are developed in:

Bagozzi B (2026). “Revisiting underdispersion in political science.” Working paper.

Corresponding BibTeX entries: 

  @Manual{,
    title = {underdisp: Diagnostics and Models for Underdispersed Count
      Data},
    author = {Benjamin E. Bagozzi},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=underdisp},
  }

  @Unpublished{,
    title = {Revisiting underdispersion in political science},
    author = {Benjamin E. Bagozzi},
    year = {2026},
    note = {Working paper},
  }

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.