To cite package ‘visualpred’ in publications use:

  Portela J (2024). _visualpred: Visualization 2D of Binary
  Classification Models_. R package version 0.1.1,
  <https://CRAN.R-project.org/package=visualpred>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {visualpred: Visualization 2D of Binary Classification Models},
    author = {Javier Portela},
    year = {2024},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=visualpred},
  }