shenliang_111 发表于 2013-12-26 09:50

ziyenano 发表于 2013-12-26 09:55
要全是数值，求和就好了
data ex;
input a1   a2   a3;

yugao1986 发表于 2013-12-26 10:08
proc sql ;
   create table new as
   select max(a1,a2,a3) as a

yongyitian 发表于 2013-12-26 11:43
another method

data test;

Tigflanker 发表于 2014-1-9 11:09
data want;set ex;
  want = COALESCEC (of a:);
run;

rdsc2006 发表于 2014-1-9 22:22
data ex;
input a1   a2   a3;
cards;