Install_and_load_required_packages.R

# This iterates through the list of necessary packages, loads and installs them if missing

ipak = function(pkg){
  new.pkg <- pkg[!(pkg %in% installed.packages()[, "Package"])]
  if (length(new.pkg)) 
    install.packages(new.pkg, dependencies = TRUE)
  sapply(pkg, require, character.only = TRUE)
}

load('./RData/RPackages_List.RData')
ipak(pkgs)
devtools::session_info() # See packages loaded