packages.bib

@Manual{R-bookdown,
  title = {bookdown: Authoring Books and Technical Documents with R Markdown},
  author = {Yihui Xie},
  note = {R package version 0.6.2},
  url = {https://github.com/rstudio/bookdown},
  year = {2018},
}
@Manual{R-data.table,
  title = {data.table: Extension of `data.frame`},
  author = {Matt Dowle and Arun Srinivasan},
  year = {2017},
  note = {R package version 1.10.4-3},
  url = {https://CRAN.R-project.org/package=data.table},
}
@Manual{R-devtools,
  title = {devtools: Tools to Make Developing R Packages Easier},
  author = {Hadley Wickham and Winston Chang},
  year = {2017},
  note = {R package version 1.13.4},
  url = {https://CRAN.R-project.org/package=devtools},
}
@Manual{R-dplyr,
  title = {dplyr: A Grammar of Data Manipulation},
  author = {Hadley Wickham and Romain Francois and Lionel Henry and Kirill Müller},
  year = {2017},
  note = {R package version 0.7.4},
  url = {https://CRAN.R-project.org/package=dplyr},
}
@Manual{R-geosphere,
  title = {geosphere: Spherical Trigonometry},
  author = {Robert J. Hijmans},
  year = {2017},
  note = {R package version 1.5-7},
  url = {https://CRAN.R-project.org/package=geosphere},
}
@Manual{R-ggmap,
  title = {ggmap: Spatial Visualization with ggplot2},
  author = {David Kahle and Hadley Wickham},
  year = {2016},
  note = {R package version 2.6.1},
  url = {https://CRAN.R-project.org/package=ggmap},
}
@Manual{R-ggplot2,
  title = {ggplot2: Create Elegant Data Visualisations Using the Grammar of Graphics},
  author = {Hadley Wickham and Winston Chang},
  year = {2016},
  note = {R package version 2.2.1},
  url = {https://CRAN.R-project.org/package=ggplot2},
}
@Manual{R-knitr,
  title = {knitr: A General-Purpose Package for Dynamic Report Generation in R},
  author = {Yihui Xie},
  year = {2018},
  note = {R package version 1.19},
  url = {https://CRAN.R-project.org/package=knitr},
}
@Manual{R-reticulate,
  title = {reticulate: Interface to 'Python'},
  author = {JJ Allaire and Yuan Tang and Marcus Geelnard},
  year = {2018},
  note = {R package version 1.4},
  url = {https://CRAN.R-project.org/package=reticulate},
}