First differencing and Seasonal differencing: EViews 6

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Acidrain
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Joined: Thu May 13, 2010 3:45 am

First differencing and Seasonal differencing: EViews 6

Postby Acidrain » Thu May 13, 2010 4:00 am

I need to test ARIMA models to a monthly time-series data which is currently non-stationary. I need to run a seasonal difference *AND* a first difference, however in EViews I do not know how to do both; only one. How would I do both differences in EViews?

- Thanks.
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