cxd

# check that package dependencies are installed.
# if any dependencies are missing then attempt to install them.
install_dependencies <- function(deps=c()) {
  missing <- deps[!(deps %in% installed.packages()[,"Package"])]
  if (length(missing) > 0) {
    sapply(missing, function(m) {
      print(paste("Installing missing package", m))
      install.packages(m)
    })