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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- Thu May 13, 2010 4:00 am
- Forum: Data Manipulation
- Topic: First differencing and Seasonal differencing: EViews 6
- Replies: 0
- Views: 3285