On Thu, 4 Jun 2009 15:21:52 +0100 Daniel Mail <d2009_ at live.com.pt> wrote: DM> I need to know how to import ARIMA coefficients. I already DM> determined the coefficients of the model with other software, but DM> now i need to do the forecast in R. So why then don't you fit the model then in R???? Would be much more convenient... Stefan