To cite package ‘fastQR’ in publications use:

  Bernardi M, Busatto C, Cattelan M (2025). _fastQR: Fast QR
  Decomposition and Update_. R package version 1.0.0,
  <https://github.com/cranhaven/cranhaven.r-universe.dev>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fastQR: Fast QR Decomposition and Update},
    author = {Mauro Bernardi and Claudio Busatto and Manuela Cattelan},
    year = {2025},
    note = {R package version 1.0.0},
    url = {https://github.com/cranhaven/cranhaven.r-universe.dev},
  }