Dear All,
I have a model to predict time series data for example:
data(LakeHuron)
Lake.fit <- arima(LakeHuron,order=c(1,0,1))
then the function predict() can be used for predicting future data
with the model:
LakeH.pred <- predict(Lake.fit,n.ahead=5)
I can see the result LakeH.pred$pred and LakeH.pred$se but I did not
see residual in predict function.
If I have a model:
[\
Z_t = Z_{t-1} + A + e_t + B*e_{t-1}
\]
How could I find $e_t$ dan $e_{t-1}$ ?
Best, XY
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