http://gitit.net/ might be exactly what you're looking for. It's a wiki that uses git for history.
I also found this to be a good intro to R: http://cran.r-project.org/doc/contrib/Verzani-SimpleR.pdf
http://gitit.net/ might be exactly what you're looking for. It's a wiki that uses git for history.
I also found this to be a good intro to R: http://cran.r-project.org/doc/contrib/Verzani-SimpleR.pdf