To cite package ‘phinterval’ in publications use:

Sansom E (2026). phinterval: Set Operations on Time Intervals. R package version 1.0.0.9000, https://github.com/ethansansom/phinterval.

Corresponding BibTeX entry:

  @Manual{,
    title = {phinterval: Set Operations on Time Intervals},
    author = {Ethan Sansom},
    year = {2026},
    note = {R package version 1.0.0.9000},
    url = {https://github.com/ethansansom/phinterval},
  }