lz 你的问题解决了吗，我也想知道结果

is it possible to get a long string scalar first by concatenation and then make it into a macro variable then add it to the function arguments?

jingju

This is really fast one. You may see my post for efficient random generation in IML. Here is an example for rantbl.

proc iml;
call randseed(67);
x=j(50000,1);
p={0.1,0.2,0.3,0.4};
print p;
call randgen(x, 'Table',p);
create t1 from x;
append from x;
quit;

proc freq data=t1;
table col1;
run;

Here is the link.

https://bbs.pinggu.org/thread-1125188-1-1.html