To cite package ‘PRIMAL’ in publications use:

Li Z, Shen Q (2025). PRIMAL: Parametric Simplex Method for Sparse Learning. R package version 1.0.3, https://CRAN.R-project.org/package=PRIMAL.

Corresponding BibTeX entry:

  @Manual{,
    title = {PRIMAL: Parametric Simplex Method for Sparse Learning},
    author = {Zichong Li and Qianli Shen},
    year = {2025},
    note = {R package version 1.0.3},
    url = {https://CRAN.R-project.org/package=PRIMAL},
  }