To cite package ‘perryExamples’ in publications use:

Alfons A (2021). perryExamples: Examples for Integrating Prediction Error Estimation into Regression Models. R package version 0.1.1, https://github.com/aalfons/perryexamples.

Corresponding BibTeX entry:

  @Manual{,
    title = {perryExamples: Examples for Integrating Prediction Error
      Estimation into Regression Models},
    author = {Andreas Alfons},
    year = {2021},
    note = {R package version 0.1.1},
    url = {https://github.com/aalfons/perryexamples},
  }