Le 26/11/12 18:19, dysonsphere a écrit :
does anybody have a suggestion as to how to use R to fit some date to a
cosine function and then have some output statistics that will evaluate the
fit?
You could take a look at the package phenology.
It fits several periodic functions (cosine) onto timeseries of counts.
I don't know what you want exactly and so I don't know if it can be on
some help.
In case it does not what you look for, we could discuss as I develop
this package.
A common alternative is to use fourrier transforms.
Sincerely
Marc
--
__________________________________________________________
Marc Girondot, Pr
Laboratoire Ecologie, Systématique et Evolution
Equipe de Conservation des Populations et des Communautés
CNRS, AgroParisTech et Université Paris-Sud 11 , UMR 8079
Bâtiment 362
91405 Orsay Cedex, France
Tel: 33 1 (0)1.69.15.72.30 Fax: 33 1 (0)1.69.15.73.53
e-mail: marc.giron...@u-psud.fr
Web: http://www.ese.u-psud.fr/epc/conservation/Marc.html
Skype: girondot
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