Tramo/Seats Missing Forecast Values

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Posts: 9
Joined: Thu Oct 14, 2010 7:56 pm

Tramo/Seats Missing Forecast Values

Postby jag_211085 » Sun Oct 17, 2010 11:15 pm


I use Tramo/Seats with Forecast horizon 3, transformation Auto Select, ARIMA Order Search set to search all and click on forecast....but all the forecast values are missing (N/A).

Why is this?

Did you use forum search?
Posts: 1518
Joined: Thu Nov 20, 2008 12:04 pm

Re: Tramo/Seats Missing Forecast Values

Postby trubador » Mon Oct 18, 2010 1:04 am

In TRAMO/SEATS, final seasonally adjusted series includes; final trend, final irregular component, final cyclical component and other regression effects. Therefore, you can also obtain the forecasted values of your original series by simply multiplying the seasonally adjusted series with the seasonal factors, which also includes other decomposed components.

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