Question

sas中怎么做连续变量与非连续变

Answer 1

您好，这样：
proc sort data=special;
by special;
run;
proc sql noprint;
select special into :special_list SEPARATED BY " " from special;
select count(*) into: num from special;
quit;
%put &special_list #

data giveyou(drop=j special);
set base;
do j=1 to #
set special point=j;
array var_{&num} &special_list;
if index(var1,trim(special))>0 then var_(j)=1;
end;
output;
run;