To cite package ‘geess’ in publications use:

Ishii R (2026). geess: Modified Generalized Estimating Equations for Small-Sample Data. R package version 1.0.1, https://github.com/rtishii/geess.

Corresponding BibTeX entry:

  @Manual{,
    title = {geess: Modified Generalized Estimating Equations for
      Small-Sample Data},
    author = {Ryota Ishii},
    year = {2026},
    note = {R package version 1.0.1},
    url = {https://github.com/rtishii/geess},
  }