options ps=54 ls=76; FILENAME website HTTP "http://www.stat.ufl.edu/~winner/data/donner.dat"; data one; infile website; input name $ 1-27 age 29-30 gender $ 31 survive 46 deathdt $ 49-58 rescue 67 joindt $ 72-81 trapped 90 camp $ 91-92; if gender="M" then male=1; else male=0; agemale=age*male; run; proc print; var age male agemale survive; proc genmod descending; model survive = /dist=binomial link=logit; run; proc genmod descending; model survive = age male agemale /dist=binomial link=logit; run; proc genmod descending; model survive = agemale /dist=binomial link=logit; run; quit;