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2009 Sep 29
0
Incoherence between arima.sim and auto.arima
...A(3,2,1) fitted my series better than
ARIMA (1,0,0) that I used to generate this...
The code is:
mod2<-arima(series,c(1,0,0))
plot(series,main='black=series - red=ARIMA(3,2,1) - green=ARIMA(1,0,0)')
lines(fitted(mod1),col='red')
lines(fitted(mod2),col='green')
Did I do somothing wrong? Anyone can give me explanation?
Thank you very much
http://www.nabble.com/file/p25663200/plot.PNG plot.PNG
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