Hi, Bob Muenchen's book is now out on release. Its terrific for a step by step tutorial for doing stuff in R, even if all you know is SAS and SPSS. Check this out here http://rforsasandspssusers.com/ and at http://www.amazon.com/SAS-SPSS-Users-Statistics-Computing/dp/0387094172/ref=pd_bbs_sr_1?ie=UTF8&s=books&qid=1217456813&sr=8-1 Regards, Ajay www.decisionstats.com [[alternative HTML version deleted]]