To cite package ‘rainbow’ in publications use:

Shang H, Hyndman R (2024). rainbow: Bagplots, Boxplots and Rainbow Plots for Functional Data. R package version 3.8, https://CRAN.R-project.org/package=rainbow.

Corresponding BibTeX entry:

  @Manual{,
    title = {rainbow: Bagplots, Boxplots and Rainbow Plots for
      Functional Data},
    author = {Han Lin Shang and Rob Hyndman},
    year = {2024},
    note = {R package version 3.8},
    url = {https://CRAN.R-project.org/package=rainbow},
  }