[R-sig-eco] aov vs. glm

[Chris Howden]

It would help if u posted the results so we know how different.

But have a look at the defaults for a call to glm. Are they the same as for lm?

There are some differences in the output for glm and lm objects when
using summary.

Chris Howden
Founding Partner
Tricky Solutions
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On 11/11/2011, at 10:25, "Lara R. Appleby 04"
<Lara.R.Appleby.04 at alum.dartmouth.org> wrote:

> I'm trying to basically do a two way ANOVA on the dependent variable (clutchsize) with the two independent variables (treatment and species). It seems that there are three ways I can say this in R:
>
> 1. glm(clutchsize~treatment*species)
> 2. aov(clutchsize~treatment*species)
> 3. anova(lm(clutchsize~treatment*species)
>
> Methods 2 and 3 yield equivalent results, but Method 1 is completely different!
>
> Any idea why?
>
> Lara Appleby
>
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