To cite package ‘lrstat’ in publications use:

Lu K (2026). lrstat: Power and Sample Size Calculation for Non-Proportional Hazards and Beyond. R package version 0.3.3, https://github.com/kaifenglu/lrstat.

Corresponding BibTeX entry:

  @Manual{,
    title = {lrstat: Power and Sample Size Calculation for
      Non-Proportional Hazards and Beyond},
    author = {Kaifeng Lu},
    year = {2026},
    note = {R package version 0.3.3},
    url = {https://github.com/kaifenglu/lrstat},
  }