To cite package 'VisCollin' in publications use:

Friendly M (2023). VisCollin: Visualizing Collinearity Diagnostics. R package version 0.1.2, https://CRAN.R-project.org/package=heplots.

To refer to the theory on which this package is based, also cite:

Friendly M, Kwan E (2009). “Where’s Waldo: Visualizing Collinearity Diagnostics.” The American Statistician, 63(1), 56–65.

Corresponding BibTeX entries:

  @Manual{,
    title = {{VisCollin}: Visualizing Collinearity Diagnostics},
    author = {Michael Friendly},
    year = {2023},
    note = {R package version 0.1.2},
    url = {https://CRAN.R-project.org/package=heplots},
  }

  @Article{,
    title = {Where’s Waldo: Visualizing Collinearity Diagnostics.},
    author = {Michael Friendly and Ernest Kwan},
    year = {2009},
    journal = {The American Statistician},
    volume = {63},
    number = {1},
    pages = {56–65},
  }