To cite package ‘JOPS’ in publications use:

Eilers P, Marx B, Li B, Gampe J, Rodriguez-Alvarez M (2025). JOPS: Practical Smoothing with P-Splines. R package version 0.2.0, https://CRAN.R-project.org/package=JOPS.

Corresponding BibTeX entry:

  @Manual{,
    title = {JOPS: Practical Smoothing with P-Splines},
    author = {Paul Eilers and Brian Marx and Bin Li and Jutta Gampe and
      Maria Xose Rodriguez-Alvarez},
    year = {2025},
    note = {R package version 0.2.0},
    url = {https://CRAN.R-project.org/package=JOPS},
  }