To cite package ‘Metrics’ in publications use:

Hamner B, Frasco M (2019). Metrics: Evaluation Metrics for Machine Learning. R package version 0.1.4, https://github.com/mfrasco/metrics.

Corresponding BibTeX entry:

  @Manual{,
    title = {Metrics: Evaluation Metrics for Machine Learning},
    author = {Ben Hamner and Michael Frasco},
    year = {2019},
    note = {R package version 0.1.4},
    url = {https://github.com/mfrasco/metrics},
  }