[R] texi2dvi error "Sweave" and "exams"

Please note that I am on the membership list and inadvertently sent this request from an incorrect mail account. Please excuse me for any confusion that I may have caused. The following is the same request that I sent earlier. I have installed Sweave as recommended. http://lifeasclay.w

[R] texi2dvi error "Sweave" and "exams"

I have installed Sweave as recommended. http://lifeasclay.wordpress.com/tag/sweave/.Placing a test.Rnw file, for instance, in "/Library/Frameworks/R.framework/Versions/2.15/Resources/library/utils/Sweave" generates test.tex files that generate pdf files with LaTeX. To be honest, p