To cite package 'SGPdata' in publications use:

Damian W. Betebenner, Adam Van Iwaarden and Ben Domingue (2017). SGPdata: Exemplar Data Sets for SGP Analyses. (R package version 17.0-0.0. URL https://github.com/CenterForAssessment/SGPdata/

Corresponding BibTeX entry:

  @Manual{,
    title = {{SGPdata}: Exemplar Data Sets for SGP Analyses.},
    author = {Damian W. Betebenner and Adam {Van Iwaarden} and Ben
      Domingue},
    year = {2017},
    note = {R package version 17.0-0.0},
    url = {https://github.com/CenterForAssessment/SGPdata/},
  }