? Simple Linear Regression
? Data: 1994/1 - 1998/12
FREQ M;
SMPL 1994:1 1998:12;
READ(FILE="mm.xls");
PRINT TOPIX MORINAGA SONY NOMURA;
GRAPH SONY TOPIX;  ? Scatter-plot
PLOT SONY + TOPIX *; ? Time series plot
OLSQ SONY C TOPIX; 
FIT=@FIT;RES=@RES;
GRAPH FIT SONY;