To cite package ‘dumbbell’ in publications use:

Cheung F (2026). dumbbell: Displaying Changes Between Two Points Using Dumbbell Plots. R package version 0.2, https://github.com/foocheung/dumbbell.

Corresponding BibTeX entry:

  @Manual{,
    title = {dumbbell: Displaying Changes Between Two Points Using
      Dumbbell Plots},
    author = {Foo Cheung},
    year = {2026},
    note = {R package version 0.2},
    url = {https://github.com/foocheung/dumbbell},
  }