Returns a random variate from a uniform distribution.
Category: | Random Number |
is the seed value. A new value for seed is returned each time CALL RANUNI is executed.
Range | seed < 231 - 1 |
Tip | If seed ≤ 0, the time of day is used to initialize the seed stream. |
See | Seed Values and Comparison of Seed Values in Random-Number Functions and CALL Routines for more information about seed values |
is a numeric variable. A new value for the random variate x is returned each time CALL RANUNI is executed.
data u1(keep=x); seed = 104; do i = 1 to 5; call ranuni(seed, x); output; end; call symputx('seed', seed); run; data u2(keep=x); seed = &seed; do i = 1 to 5; call ranuni(seed, x); output; end; run; data all; set u1 u2; z = ranuni(104); run; proc print label; label x = 'Separate Streams' z = 'Single Stream'; run;