[R] spectral analysis

[David Winsemius]

On Oct 11, 2009, at 8:38 AM, sdlywjl666 wrote:

> Dear all,
>    I am searching the period of a time series usering R.
>    Is there some lag window functions  in R?

?lag

>    Could you give me some books about spectral analysis usering R?
> best wishes,
> Wang


You might try being more specific. The easy, quick answer is "yes":

http://www.amazon.com/s/ref=nb_ss?url=search-alias%3Dstripbooks&field-keywords=time+series+in+r&x=17&y=17

The original "book about R" , known in these parts as MASS, had quite  
a bit.


-- 
David Winsemius, MD
Heritage Laboratories
West Hartford, CT