To cite package ‘timechecker’ in publications use:

  Yusuke T (2026). _timechecker: Visualization of Processing Time with
  Standard Output_. R package version 1.1.5.9000,
  <https://github.com/yt100100/timechecker>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {timechecker: Visualization of Processing Time with Standard Output},
    author = {Toda Yusuke},
    year = {2026},
    note = {R package version 1.1.5.9000},
    url = {https://github.com/yt100100/timechecker},
  }