R shell session to plot a Graph

The following is a R shell session to plot a graph. $R R version 3.0.3 (2014-03-06) — “Warm Puppy” Copyright (C) 2014 The R Foundation for Statistical Computing Platform: x86_64-pc-linux-gnu (64-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type ‘license()’ or ‘licence()’ for …