To cite package ‘splineplot’ in publications use:

  Kim J (2026). _splineplot: Visualization of Spline Effects in GAM and
  GLM Models_. R package version 0.3.0,
  <https://github.com/jinseob2kim/splineplot>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {splineplot: Visualization of Spline Effects in GAM and GLM Models},
    author = {Jinseob Kim},
    year = {2026},
    note = {R package version 0.3.0},
    url = {https://github.com/jinseob2kim/splineplot},
  }