Thanks Joe.
but now i am facing another problem.
R version 3.0.2 (2013-09-25) -- "Frisbee Sailing"
Copyright (C) 2013 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 distribution details.
Natural language support but running in an English locale
R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.
Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
also installing the dependencies ‘car’, ‘ellipse’, ‘scatterplot3d’, ‘leaps’
Content type 'application/x-gzip' length 582567 bytes (568 Kb)
opened URL
==================================================
downloaded 568 Kb
Content type 'application/x-gzip' length 10939 bytes (10 Kb)
opened URL
==================================================
downloaded 10 Kb
Content type 'application/x-gzip' length 436179 bytes (425 Kb)
opened URL
==================================================
downloaded 425 Kb
Content type 'application/x-gzip' length 26847 bytes (26 Kb)
opened URL
==================================================
downloaded 26 Kb
Content type 'application/x-gzip' length 3198966 bytes (3.1 Mb)
opened URL
==================================================
downloaded 3.1 Mb
The downloaded source packages are in
‘/tmp/RtmpZ3613u/downloaded_packages’
>
>
ubuntu@ip-172-31-9-102:/$ R
I don't understand what is the problem.