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thanks so can i represent SARIMA (0,1,1)(1,1,1) 12 in eviews as equation seas.ls d(rate,1,12) ma(1) sar(12) sma(12) and SARIMA (0,1,1)(0,1,2) 12 as equation seas.ls d(rate,1,12) ma(1) sma(24) To represent a SARIMA (0,1,1)(0,1,2) 12 you should write: seas.ls d(rate,1,12) ma(1) sma(12) sma(24) Note t...

Guys, I'm trying to use Box Jenkins methodology to fit an ARIMA model (with seasonality) to my series. After taking first difference, the ACF correlogram exhibits cyclical behavior which does not vanish with time. And PACF has significant spikes in different (and unusual) lags. My data is daily. Doe...