Re: [R] forecast in arima

?fitted For instance: xa <- arima(x,order=c(1,1,1)) fitted(xa) Nestor On 04/29/2010 11:30 AM, Julia A wrote: Hello, I have a question about forecast under model arima(1,1,1). I construct this model on 1000 observations and find the forecast for following, for example, 100 observations. But i

[R] forecast in arima

Hello, I have a question about forecast under model arima(1,1,1). I construct this model on 1000 observations and find the forecast for following, for example, 100 observations. But it' s necessary for me to get the predicted values of the previous 100 observations and compare it with actual value