joewhitehurst@GMAIL.COM replied: > >Adel, > >You may find the following artilce interesting. [article by Thomas Mikosch not copied] This is a really good article, and a really useful point to make. But 55K is a lot of article to copy. Would it have been easier to point to a URL? The people who read SAS-L as a digest and the people who have slow connections are probably not overly thrilled. I'll refrain from pointing out that you sound like me today. ("Are you sure you want to do this? Here's some material which suggests you should try a different approach...") :-) :-) :-) David -- David L. Cassell mathematical statistician Design Pathways 3115 NW Norwood Pl. Corvallis OR 97330 _________________________________________________________________ Get today's hot entertainment gossip http://movies.msn.com/movies/hotgossip