Hi.
I hope you can help me...
I have fitted the following ARIMA model:
arima1-arima(bigspring$log.volume, order=c(0,1,2))
I need to predict 30 days ahead. I used following code
predict(arima1,n.ahead=30,se=T)
However I get 30 predictions, but from predictions 2:30 I get the same
I am having difficulty obtaining the scores from my principal component
analysis. I have used this method before and have had no problems. The
data set that I am using this time is similar to what I have used in the
past. What do I need to do to my dataset in order for me to obtain these
