To cite package ‘vtree’ in publications use:

Barrowman N, Gatscha S (2026). vtree: Display Information About Nested Subsets of a Data Frame. R package version 5.7.2, https://github.com/nbarrowman/vtree.

Corresponding BibTeX entry:

  @Manual{,
    title = {vtree: Display Information About Nested Subsets of a Data
      Frame},
    author = {Nick Barrowman and Sebastian Gatscha},
    year = {2026},
    note = {R package version 5.7.2},
    url = {https://github.com/nbarrowman/vtree},
  }