[R-sig-eco] Problem to use varpart

[Gavin Simpson]

On Thu, 2011-07-07 at 06:33 +0100, momadou sow wrote:
> Hi, 
> I did a linear regression with 5 explanatory variables. Now, to see the contribution of each variable, I use varpart  from vegan library. But varpart don’t accepts my 5 explanatory variables, it accept only 4. 
> 1- How must I  do to use my 5 explanatory variables?
> 2- Is it the sum of variance fraction of each variable must be equal to 1. 
> Thanks for your help. 

varpart is for redundancy analysis - aka reduced rank regression. I
suppose one can do linear regression with RDA, but why would you want
to?

Anyway, you can't do what you want with varpart(). Look at interpretting
the linear model directly.

G

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