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Hello,

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?

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.