Greetings,

I would like to perform a repeated measures analysis using multivariate
species abundance data.  I have a site factor and three years in which the
same plots were sampled.  It seems like the non-parametric MANOVA as
implemented in the Adonis function in vegan should be able to do this.   How
can I write a model that would allow "year" to be a within-subject factor?
Does it have something to do with the "strata" option??  It is simple enough
to use both Site and Year as crossed factors but this ignores the fact that
the same subjects were sampled in each year.

Thanks,

Jeremy

 

Jeremy Lundholm, Ph.D.

Associate Professor

Biology/Environmental Studies

Saint Mary's University

Halifax, NS

B3H 3C3  Canada

902-420-5506

http://husky1.smu.ca/~jlundholm/about.htm

 


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