Interesting links...

http://stackoverflow.com/questions/14441729/read-a-csv-from-github-into-r

http://stackoverflow.com/questions/3979240/r-plotting-a-3d-surface-from-x-y-z



http://cran.r-project.org/web/packages/nlstools/nlstools.pdf

Sir David F. Hendry, Kt

Director, Program in Economic Modeling, Institute for New Economic Thinking at the Oxford Martin School.

http://www.nuff.ox.ac.uk/users/hendry/