To cite package ‘LOGAN’ in publications use:

Reis Costa D, Leoncio W (2020). LOGAN: Log File Analysis in International Large-Scale Assessments. R package version 1.0.0, https://github.com/derecost/logan.

Corresponding BibTeX entry:

  @Manual{,
    title = {LOGAN: Log File Analysis in International Large-Scale
      Assessments},
    author = {Denise {Reis Costa} and Waldir Leoncio},
    year = {2020},
    note = {R package version 1.0.0},
    url = {https://github.com/derecost/logan},
  }