To cite package ‘SAR’ in publications use:

  Ooi H (2024). _SAR: Smart Adaptive Recommendations_. R package
  version 1.0.3, <https://github.com/hongooi73/sar>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {SAR: Smart Adaptive Recommendations},
    author = {Hong Ooi},
    year = {2024},
    note = {R package version 1.0.3},
    url = {https://github.com/hongooi73/sar},
  }