To cite package ‘rare’ in publications use:

Yan X, Bien J (2025). rare: Linear Model with Tree-Based Lasso Regularization for Rare Features. R package version 0.1.2, https://CRAN.R-project.org/package=rare.

Corresponding BibTeX entry:

  @Manual{,
    title = {rare: Linear Model with Tree-Based Lasso Regularization
      for Rare Features},
    author = {Xiaohan Yan and Jacob Bien},
    year = {2025},
    note = {R package version 0.1.2},
    url = {https://CRAN.R-project.org/package=rare},
  }