I have used the Time series and Forecasting system in sas to fit a
I can see in the correlogram that the period is 12. But In the test of
white noise of my errors, I have information... I can explain it. I
would like to add to my model a "dummy variable" with top 0 or top 1 .
My questions are :
- where can I add a dummy variable in the application ?
- How can I get the sas code of the model ?
Thanks a lot