*
* Example ARDAT.DAT from pp 421-422
*
open data ardat.dat
data(format=free,org=columns) 1 100 x y
*
graph(footer="Figure 10-8 Time plots of Y and X") 2
# x
# y
*
scatter(footer="Figure 10-9 Y vs X")
# x y
*
linreg y
# constant x
*
ar1 y
# constant x