To cite package ‘PSGD’ in publications use:

Christidis A, Van Aelst S, Zamar R (2025). PSGD: Projected Subset Gradient Descent. R package version 1.0.6, https://CRAN.R-project.org/package=PSGD.

Corresponding BibTeX entry:

  @Manual{,
    title = {PSGD: Projected Subset Gradient Descent},
    author = {Anthony Christidis and Stefan {Van Aelst} and Ruben
      Zamar},
    year = {2025},
    note = {R package version 1.0.6},
    url = {https://CRAN.R-project.org/package=PSGD},
  }