To cite package ‘timeDF’ in publications use:

Umehara T (2026). timeDF: Subset and Flag Data Frames with Times by the Use of Periods. R package version 0.9.2, https://github.com/niceume/timedf.

Corresponding BibTeX entry:

  @Manual{,
    title = {timeDF: Subset and Flag Data Frames with Times by the Use
      of Periods},
    author = {Toshihiro Umehara},
    year = {2026},
    note = {R package version 0.9.2},
    url = {https://github.com/niceume/timedf},
  }