To cite metrica in publications use:

Correndo AA, Rosso LHM, Hernandez CH, Bastos LM, Nieto L, Holzworth D, Ciampitti IA (2022). “metrica: an R package to evaluate prediction performance of regression and classification point-forecast models.” Journal of Open Source Software, 7(79), 4655. doi:10.21105/joss.04655, https://joss.theoj.org/papers/10.21105/joss.04655.

Corresponding BibTeX entry:

  @Article{,
    title = {metrica: an R package to evaluate prediction performance
      of regression and classification point-forecast models},
    author = {Adrian A. Correndo and Luiz H. Moro Rosso and Carlos H.
      Hernandez and Leonardo M. Bastos and Luciana Nieto and Dean
      Holzworth and Ignacio A. Ciampitti},
    journal = {Journal of Open Source Software},
    year = {2022},
    volume = {7},
    number = {79},
    pages = {4655},
    doi = {10.21105/joss.04655},
    url = {https://joss.theoj.org/papers/10.21105/joss.04655},
  }