CS&SS/SOC/STAT 221 Install script

csss_221_install.R

#' CS&SS/SOC/STAT 221 Install Script
#'
#' Install R Commander and necessary packages and data to be
#' used in CS&SS/SOC/STAT 221.
#'

is_installed <- function(pkg) {
  is.element(pkg, installed.packages()[,1])
}

# Set a CRAN mirror so none is requested (even if not using RStudio)
options(repos = list("CRAN" = "http://cran.rstudio.com"))

# install R Commander
if (! is_installed("Rcmdr")) {
  install.packages(c("Rcmdr"), dependencies = TRUE)
}


# Installl packages for course from github
if (! is_installed("devtools")) {
  install.packages("devtools", dependencies = TRUE)
}
install_github(c("jrnold/bps6data", "jrnold/bps5data"))