How about this?
data have;
do num=100, 101, 3300;
output;
end;
run;
data want;
set have;
temp=mod(num,100);
new=ifn(temp=0,num/100,num);
drop temp;
run;
/* If you want to store the result in the same variable again, the following data step is simpler. */
data want;
set have;
if mod(num,100)=0 then num=num/100;
run;
How about this?
data have;
do num=100, 101, 3300;
output;
end;
run;
data want;
set have;
temp=mod(num,100);
new=ifn(temp=0,num/100,num);
drop temp;
run;
/* If you want to store the result in the same variable again, the following data step is simpler. */
data want;
set have;
if mod(num,100)=0 then num=num/100;
run;
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