install_github("roxygen")
install_github("wch/ggplot2")
install_github(c("rstudio/httpuv", "rstudio/shiny"))
install_github(c("devtools@devtools-1.4", "klutometis/roxygen#142", "mfrasca/r-logging/pkg))
# Update devtools to the latest version, on Linux and Mac
# On Windows, this won't work - see ?build_github_devtools
install_github("hadley/devtools")
Run the code above in your browser using DataCamp Workspace