To cite package ‘oosse’ in publications use:

Hawinkel S (2026). oosse: Out-of-Sample R² with Standard Error Estimation. R package version 1.0.12, https://github.com/sthawinke/oosse.

Corresponding BibTeX entry:

  @Manual{,
    title = {oosse: Out-of-Sample R² with Standard Error Estimation},
    author = {Stijn Hawinkel},
    year = {2026},
    note = {R package version 1.0.12},
    url = {https://github.com/sthawinke/oosse},
  }