To cite package ‘densratio’ in publications use:

Makiyama K (2026). densratio: Density Ratio Estimation. R package version 0.3.1, https://github.com/hoxo-m/densratio.

Corresponding BibTeX entry:

  @Manual{,
    title = {densratio: Density Ratio Estimation},
    author = {Koji Makiyama},
    year = {2026},
    note = {R package version 0.3.1},
    url = {https://github.com/hoxo-m/densratio},
  }