search for: p25663200

...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 -- View this message in context: http://www.nabble.com/Incoherence-between-arima.sim-and-auto.arima-tp25663200p25663200.html Sent from the R help mailing list archive at Nabble.com.