On Sat, 7 Feb 2015, Marluci Wildner wrote:
Hello, I can not find the command in gretl program for the prediction
error
in a SARIMA model [...]
If you mean the prediction error from the period over which the
model was estimated, then in scripting mode use $uhat or in GUI mode
use /Save/Residuals in the model output window.
Allin Cottrell