It would, I consider, be useful to note, on the help pages for Sweave and RweaveLatex, that the path to Sweave.sty in the R installation can be extracted as paste(R.home(),"share/texmf/", sep="/") or its equivalent. John Maindonald email: john.maindonald at anu.edu.au phone : +61 2 (6125)3473 fax : +61 2(6125)5549 Centre for Mathematics & Its Applications, Room 1194, John Dedman Mathematical Sciences Building (Building 27) Australian National University, Canberra ACT 0200.