I have a log y quarterly series and I find it has seasonality, so I go to proc---seasonal adjustment and choose "moving average method"---"ratio...." and get result"
Scaling Factors:
1 0.995321
2 0.999527
3 1.002346
4 1.002824
But I go back to that log y data "view"---"spreadsheet" and check the data one by one for several years, I didn't see any changes in data there? Why? where is the adjusted data?
why seasonal adjustment doesn't work?
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startz
- Non-normality and collinearity are NOT problems!
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Re: why seasonal adjustment doesn't work?
The adjusted data is in a new series, as shown in the dialog.
Re: why seasonal adjustment doesn't work?
Thank you so much! I find it.
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