How to apply the seasonal adjusted method as the Fred's?

[Zhang Hui]

Hi all, I want to apply the seasonal adjusted method on some time series from fred data. Is there any material about it?

I know there are some useful method as the link below.

http://www.abs.gov.au/websitedbs/d33...8!OpenDocument.

But how to apply the same method as that used by Fred? And how to realize it use stata?

Thanks.