The SAS statistics package. Gatewayed to sas-l@vtvm1.cc.vt.edu. Readers: 12000 (0.2%) {51%} Mesgs per month/day: 838/28 {61%} Crossposting: 0% {8%} Megs per month/day: 1.6/0.053 {68%} Sites reciving this Group: 65% Cost ratio ($US/month/rdr): 0.08