[R] Anova's in R

From: Frith Jarrad <fjarrad_at_pgrad.unimelb.edu.au>
Date: Fri 29 Jul 2005 - 15:09:18 EST


Hello.

I am looking for some help using anova's in RGui.

My experiment ie data, has a fixed burning treatment (Factor A) 2 levels, unburnt/burnt.
Nested within each level of Factor A are 2 random sites (Factor B). All sites are crossed with a fixed temperature treatment (Factor C) 2 levels, 0 degreesC/2 degreesC, with many replicates of these temperature treatments randomly located at each site.

I am trying the following
aov(dependent
variable~burning*temperature*site+Error(replicate),data=dataset) and variations on that, however can't get it quite right.... the F ratios are not correct. I imagine this is a fairly common experimental design in ecology and would ask that anyone who has some advice please reply to this email?

Thank-you,
Frith



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