Lüdecke D (2018). ggeffects: Create Tidy Data Frames of Marginal Effects for 'ggplot' from Model Outputs. R package version 0.3.3, https://CRAN.R-project.org/package=ggeffects.

Corresponding BibTeX entry:

  @Manual{,
    title = {ggeffects: Create Tidy Data Frames of Marginal Effects for
      'ggplot' from Model Outputs},
    author = {Daniel Lüdecke},
    year = {2018},
    note = {R package version 0.3.3},
    url = {https://CRAN.R-project.org/package=ggeffects},
  }