What about "Frisco"?
29 karma · joined February 6, 2012
That said, R is better for stats and matrix operations.
Although, in my head, everything on that website reads in the voice of Norm MacDonald's Bob Dole impression.
http://bayes.wustl.edu/etj/prob/book.pdf
It's always nice to see good things come out of Wash U. (Alum here.)