packages.bib

@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 = {2017},
  url = {https://www.R-project.org/},
}
@Manual{R-bookdown,
  title = {bookdown: Authoring Books and Technical Documents with R Markdown},
  author = {Yihui Xie},
  year = {2017},
  note = {R package version 0.5},
  url = {https://CRAN.R-project.org/package=bookdown},
}
@Manual{R-knitr,
  title = {knitr: A General-Purpose Package for Dynamic Report Generation in R},
  author = {Yihui Xie},
  year = {2017},
  note = {R package version 1.18},
  url = {https://CRAN.R-project.org/package=knitr},
}
@Manual{R-rmarkdown,
  title = {rmarkdown: Dynamic Documents for R},
  author = {JJ Allaire and Yihui Xie and Jonathan McPherson and Javier Luraschi and Kevin Ushey and Aron Atkins and Hadley Wickham and Joe Cheng and Winston Chang},
  year = {2017},
  note = {R package version 1.8},
  url = {https://CRAN.R-project.org/package=rmarkdown},
}



@Manual{R-dplyr,
    title = {dplyr: A Grammar of Data Manipulation},
    author = {Hadley Wickham and Romain Francois and Lionel Henry and Kirill Muller},
    year = {2017},
    note = {R package version 0.7.4},
    url = {https://CRAN.R-project.org/package=dplyr},
  }

@Manual{R-tidyr,
    title = {tidyr: Easily Tidy Data with 'spread()' and 'gather()' Functions},
    author = {Hadley Wickham and Lionel Henry},
    year = {2017},
    note = {R package version 0.7.2},
    url = {https://CRAN.R-project.org/package=tidyr},
  }
  
@Manual{R-readxl,
    title = {readxl: Read Excel Files},
    author = {Hadley Wickham and Jennifer Bryan},
    year = {2017},
    note = {R package version 1.0.0},
    url = {https://CRAN.R-project.org/package=readxl},
  }
  
@Manual{R-haven,
    title = {haven: Import and Export 'SPSS', 'Stata' and 'SAS' Files},
    author = {Hadley Wickham and Evan Miller},
    year = {2017},
    note = {R package version 1.1.0},
    url = {https://CRAN.R-project.org/package=haven},
  }
  
@Manual{R-furniture,
    title = {furniture: Furniture for Quantitative Scientists},
    author = {Tyson S. Barrett and Emily Brignone and Daniel J. Laxman},
    year = {2018},
    note = {R package version 1.7.3},
    url = {https://CRAN.R-project.org/package=furniture},
  }
  
@Manual{R-psych,
    title = {psych: Procedures for Psychological, Psychometric, and Personality Research},
    author = {William Revelle},
    organization = { Northwestern University},
    address = { Evanston, Illinois},
    year = {2017},
    note = {R package version 1.7.8},
    url = {https://CRAN.R-project.org/package=psych},
  }
  
@Book{R-ggplot2,
    author = {Hadley Wickham},
    title = {ggplot2: Elegant Graphics for Data Analysis},
    publisher = {Springer-Verlag New York},
    year = {2009},
    isbn = {978-0-387-98140-6},
    url = {http://ggplot2.org},
  }
  
@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},
  }
    
@Manual{R-tibble,
    title = {tibble: Simple Data Frames},
    author = {Kirill Muller and Hadley Wickham},
    year = {2017},
    note = {R package version 1.4.1},
    url = {https://CRAN.R-project.org/package=tibble},
  }
  
@Book{R-car,
    title = {An {R} Companion to Applied Regression},
    edition = {Second},
    author = {John Fox and Sanford Weisberg},
    year = {2011},
    publisher = {Sage},
    address = {Thousand Oaks {CA}},
    url = {http://socserv.socsci.mcmaster.ca/jfox/Books/Companion},
  }