[R] Harmonic Regression in R

[Spencer Graves]

	  Since I haven't seen an answer to this, I'll offer a couple of 
comments.  I don't recall having heard the term 'harmonic regression' 
prior to seeing your email, but it sounded interesting, so I did some 
searching.  First, RSiteSearch("harminic regression") produced 7 hits, 
one of which discusses the 'cyclones' package, which may be what you want:

http://finzi.psych.upenn.edu/R/library/cyclones/html/00Index.html

	  Second, for the benefit of folks like me who aren't sure of the 
definition, it appears to be linear regression on sines and cosines of 
something like 'time'.  The following link describes how to do this 
using 'lm' in S-Plus or R:

http://www.math.jmu.edu/~tomitayx/math328/Ch6SlideD.pdf

	  Hope this helps.
	  Spencer Graves

Airon Yiu wrote:
> Dear all:
>    
>   Does anyone has harmonic regresssion analysis package written in R (to be used in Windows platform) ?
>    
>   Thanks
> 
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