To cite package ‘pwlmm’ in publications use:

Veiga A, Messa J (2026). pwlmm: PWIGLS for Two-Level Multivariate and Multilevel Linear Models. R package version 1.1.2, https://CRAN.R-project.org/package=pwlmm.

Corresponding BibTeX entry:

  @Manual{,
    title = {pwlmm: PWIGLS for Two-Level Multivariate and Multilevel
      Linear Models},
    author = {Alinne Veiga and João Messa},
    year = {2026},
    note = {R package version 1.1.2},
    url = {https://CRAN.R-project.org/package=pwlmm},
  }