To cite package ‘roptim’ in publications use:

Pan Y (2025). roptim: General Purpose Optimization in R using C++. R package version 0.1.7, https://CRAN.R-project.org/package=roptim.

Corresponding BibTeX entry:

  @Manual{,
    title = {roptim: General Purpose Optimization in R using C++},
    author = {Yi Pan},
    year = {2025},
    note = {R package version 0.1.7},
    url = {https://CRAN.R-project.org/package=roptim},
  }