R – loading libraries and data related

Get The Hang > library(ggplot2) Error in library(ggplot2) : there is no package called ‘ggplot2’ > library(ggplot2) Loading required package: reshape Loading required package: plyr Attaching package: ‘reshape’ The following object(s) are masked from ‘package:plyr’: rename, round_any Loading required package: grid Loading required package: proto >