Generating Random Numbers

*--- SAS program: GENERATING_RANDOM_NUMBERS.SAS ;

*---Generate 35 random numbers between 1 and 1500;

data random_num;

do n=1 to 35;

random=int(1 + 1500*ranuni(0));

output;

end;

run;

proc print data=random_num noobs;

title "35 Random Numbers Between 1 and 1500";

run;

Note

• RANUNI is the uniform random number generator in SAS. The value in parentheses, is called SEED, can be any integer value including 0.
• DO … END loop iteratively creates 35 observations.
• INT function returns integer portion of the argument. i.e. INT(5.45)=5, INT(-4.6)=-4.

SAS Output

35 Random Numbers Between 1 and 1500

n random

1 1489

2 1362

3 603

4 216

5 1399

6 989

7 1294

8 576

9 1370

10 426

11 1138

12 317

13 141

14 1125

15 460

16 1370

17 22

18 1494

19 335

20 1307

21 864

22 23

23 669

24 1497

25 1227

26 351

27 212

28 686

29 610

30 423

31 402

32 399

33 1380

34 251

35 267