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Syntax for using AICTEST with Proc X12

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Syntax for using AICTEST with Proc X12

Has anyone successfully used aictests with proc X12?

 

I've gone through the documentation and it's unclear to me what the syntax is. Documentation https://support.sas.com/documentation/onlinedoc/ets/132/x12.pdf   go to the section on the regression spec.

 

Example code

 

proc x12 data = NSA date = period interval = qtr;
var NSA;
regression aictest = (td easter);
arima model = ((0,1,1)(0,1,1));
forecast lead = 8 outfcst;
x11;
output out = result a1 d10 d11 d12 d13;
run;

I've tried:

  • regression predefined = (aictest(td easter));
  • regression aictest = td easter;
  • aictest = td easter;

The documentation has syntax examples for regression predefined =  and regression uservar =  but it doesn't give details on aictest.

 

Any pointers would be appreciated.

Thanks,
Alice

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