Re: [R-sig-eco] pollination experiment with missing value

2009-12-08 Thread ONKELINX, Thierry
Dear Humberto, I suppose you are interessed in the significance of the treatment factor. You can test that effect by comparing models with and without the term. You can get the multiple comparisons with the multcomp package. Here is an example using the Pastes dataset. library(lme4)

Re: [R-sig-eco] Fwd: how to calculate axis variance in metaMDS, pakage vegan?

2009-12-08 Thread Chris Habeck
Gian,, I applaud your continued struggle to understand the best route of analysis. If I were you, I would ignore the rude comments made by some and focus on the constructive replies from others. Good luck! Chris Habeck Ph.D. Candidate Department of Zoology University of Wisconsin, Madison

Re: [R-sig-eco] pollination experiment with missing value

2009-12-08 Thread hpdutra
Hi Thierry Thanks for the reply, you are right about lack of power. I appreciated the suggestion of doing lmer, however I was wondering if there is book out there explaining how to present the results of such analysis. I have Pinheiros and Bates and Crawle's R book, and althought they do a good

Re: [R-sig-eco] Fwd: how to calculate axis variance in metaMDS, pakage vegan?

2009-12-08 Thread Gavin Simpson
On Mon, 2009-12-07 at 20:10 +0100, Gian Maria Niccolò Benucci wrote: Hi Gavin and Hi all, I will not go in front of a bus for sure, I not mad, at least I am not still mad... :) I would like to tell you that I am a Ph.D. student, and for what I know, Ph.D. student still have to understand

Re: [R-sig-eco] Fwd: how to calculate axis variance in metaMDS, pakage vegan?

2009-12-08 Thread gabriel singer
Hi Gian and others, I think we better stop worrying about subjective interpretations of emotional backgrounds of what in other aspects are absolutely helpful discussion threads... I guess part of the challenge on this mailing list is to span the whole range of expertise with useful