OPTIONS CRT;  ? simple example
FREQ A; SMPL 76,85;
LOAD SALES,GNP;
11.7 1706
13.7 1901
11.4 2151
12.3 2391
19.4 2608
20.4 2956
18.2 3051
25.3 3261
24.3 3639
28.3 3843
LSALES = LOG(SALES); LGNP = LOG(GNP);
MSD LSALES,LGNP;
OLSQ LSALES C,LGNP;