[R] Repeated measures regression

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From: knussear (knussear@biodiversity.unr.edu)
Date: Wed 05 May 2004 - 13:59:29 EST


Message-id: <9BB7E36C-9E48-11D8-BED7-000A959A19D8@biodiversity.unr.edu>

Hi List,

Just wondering if there is such a thing as repeated measures
regression, and if so, can R do it?

I have repeated measurements of 10 individuals over a 45 day period,
and I would like to regress their daily activity time against a daily
environmental temperature. If I do so using averages of activity time I
find a significant negative correlation, but I worry that because I
have used the same 10 individuals for each daily mean that the daily
averages are not independent.

Can anyone help?

Thanks

Kenneth E. Nussear Phone 775 784-4565
Biological Resources FAX 775 784-1369
Research Center/315 knussear@biodiversity.unr.edu
Reno, Nevada 89557 http://www.brrc.unr.edu/~knussear/

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