To cite package ‘fastei’ in publications use:

Thraves C, Ubilla P, Hermosilla D (2026). fastei: Methods for ”An accurate, fast, and scalable ecological inference algorithm for the R x C case”. R package version 0.0.21, https://CRAN.R-project.org/package=fastei.

Corresponding BibTeX entry:

  @Manual{,
    title = {fastei: Methods for ''An accurate, fast, and scalable
      ecological inference algorithm for the R x C case''},
    author = {Charles Thraves and Pablo Ubilla and Daniel Hermosilla},
    year = {2026},
    note = {R package version 0.0.21},
    url = {https://CRAN.R-project.org/package=fastei},
  }