To cite package ‘focus’ in publications use:

Romano G, Ward K, Fan Y, Rigaill G, Runge V, Fearnhead P, Eckley I (2026). focus: Online Changepoint Detection in Univariate and Multivariate Data Streams. R package version 0.1.5, https://CRAN.R-project.org/package=focus.

Corresponding BibTeX entry:

  @Manual{,
    title = {focus: Online Changepoint Detection in Univariate and
      Multivariate Data Streams},
    author = {Gaetano Romano and Kes Ward and Yuntang Fan and Guillem
      Rigaill and Vincent Runge and Paul Fearnhead and Idris A.
      Eckley},
    year = {2026},
    note = {R package version 0.1.5},
    url = {https://CRAN.R-project.org/package=focus},
  }