To cite the oppr package in publications, please use:

Hanson JO, Schuster R, Strimas-Mackey M, Bennett J (2019) oppr: Optimal Project Prioritization R package version 0.0.4. https://CRAN.R-project.org/package=oppr

Corresponding BibTeX entry:

  @Manual{,
    author = {Jeffrey O Hanson and Richard Schuster and Matthew
      Strimas-Mackey and Joseph Bennett},
    title = {oppr: Optimal Project Prioritization},
    year = {2019},
    note = {R package version 0.0.4},
    url = {https://CRAN.R-project.org/package=oppr},
  }