add script to create bare AWS EMR cluster
add script to create bare AWS EMR cluster

ChicagoBoothAnalytics/HelpRFun,ChicagoBoothAnalytics/HelpRFun,ChicagoBoothAnalytics/DataWrangling_inR,ChicagoBoothAnalytics/DataWrangling_inR,ChicagoBoothAnalytics/HelpRFun,ChicagoBoothAnalytics/DataWrangling_inR