@Manual{R-base,
  title = {R: A Language and Environment for Statistical Computing},
  author = {{R Core Team}},
  organization = {R Foundation for Statistical Computing},
  address = {Vienna, Austria},
  year = {2018},
  url = {https://www.R-project.org/},
}
@Manual{R-dplyr,
  title = {dplyr: A Grammar of Data Manipulation},
  author = {Hadley Wickham and Romain François and Lionel Henry and Kirill Müller},
  year = {2019},
  note = {R package version 0.8.0.1},
  url = {https://CRAN.R-project.org/package=dplyr},
}
@Manual{R-forcats,
  title = {forcats: Tools for Working with Categorical Variables (Factors)},
  author = {Hadley Wickham},
  year = {2018},
  note = {R package version 0.3.0},
  url = {https://CRAN.R-project.org/package=forcats},
}
@Manual{R-ggplot2,
  title = {ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics},
  author = {Hadley Wickham and Winston Chang and Lionel Henry and Thomas Lin Pedersen and Kohske Takahashi and Claus Wilke and Kara Woo},
  year = {2019},
  note = {R package version 3.1.1},
  url = {https://CRAN.R-project.org/package=ggplot2},
}
@Manual{R-patchwork,
  title = {patchwork: The Composer of ggplots},
  author = {Thomas Lin Pedersen},
  year = {2017},
  note = {R package version 0.0.1},
  url = {https://github.com/thomasp85/patchwork},
}
@Manual{R-purrr,
  title = {purrr: Functional Programming Tools},
  author = {Lionel Henry and Hadley Wickham},
  year = {2019},
  note = {R package version 0.3.2},
  url = {https://CRAN.R-project.org/package=purrr},
}
@Manual{R-readr,
  title = {readr: Read Rectangular Text Data},
  author = {Hadley Wickham and Jim Hester and Romain Francois},
  year = {2018},
  note = {R package version 1.3.1},
  url = {https://CRAN.R-project.org/package=readr},
}
@Manual{R-see,
  title = {see: Visualisation Toolbox for 'easystats' and Extra Geoms, Themes
and Color Palettes for 'ggplot2'},
  author = {Daniel Lüdecke and Dominique Makowski and Philip Waggoner and Mattan S. Ben-Shachar},
  year = {2019},
  note = {R package version 0.1.0},
  url = {https://CRAN.R-project.org/package=see},
}
@Manual{R-stringr,
  title = {stringr: Simple, Consistent Wrappers for Common String Operations},
  author = {Hadley Wickham},
  year = {2019},
  note = {R package version 1.4.0},
  url = {https://CRAN.R-project.org/package=stringr},
}
@Manual{R-tibble,
  title = {tibble: Simple Data Frames},
  author = {Kirill Müller and Hadley Wickham},
  year = {2019},
  note = {R package version 2.1.1},
  url = {https://CRAN.R-project.org/package=tibble},
}
@Manual{R-tidyr,
  title = {tidyr: Easily Tidy Data with 'spread()' and 'gather()' Functions},
  author = {Hadley Wickham and Lionel Henry},
  year = {2019},
  note = {R package version 0.8.3},
  url = {https://CRAN.R-project.org/package=tidyr},
}
@Manual{R-tidyverse,
  title = {tidyverse: Easily Install and Load the 'Tidyverse'},
  author = {Hadley Wickham},
  year = {2017},
  note = {R package version 1.2.1},
  url = {https://CRAN.R-project.org/package=tidyverse},
}