d SJ6-1 sg2_1. Update: Exact and cumulative Poisson... d Exact and cumulative Poisson probability d by Joseph Hilbe, University of Arizona State d Support: jhilbe@@aol.com d After installation, type help ^cupoissoni^ and ^expoissoni^ f sg2_1/cupoissoni.ado f sg2_1/cupoissoni.hlp f sg2_1/expoissoni.ado f sg2_1/expoissoni.hlp