Limit the size of dataset for test

Sometime datasets are too large and to run the test on those datasets to check if the program is working fine, it takes a lot of time.

You can overcome this by OBS = option: Here is an example:

Example:
data sub85;
set lib.all85 (obs=1000);
proc glm data=sub85;
model icd90=female black state1-stat49;

Again, you can also use this as a system option:

options obs=1000 [other SAS system options here];

You can remove it once the program is running smoothly.