Hi Christoph, Stacey,
This might be a problem for which a logistic regression
(http://en.wikipedia.org/wiki/Logistic_regression) would be
appropriate. If so, I encourage you to check out the following article,
which I enjoyed:
Ives, A. R., and T. Garland Jr. 2009. Phylogenetic logistic regression
for binary dependent variables. Systematic Biology (Advance Access).
URL: http://sysbio.oxfordjournals.org/cgi/content/abstract/syp074v1.
Others on this list-serve might also be well suited to comment on this
paper & method.
Sincerely, Liam
Liam J. Revell
NESCent, Duke University
web: http://anolis.oeb.harvard.edu/~liam/
NEW email: lrev...@nescent.org
sd...@duke.edu wrote:
Hi Christoph,
There was some discussion following a similar question a year ago:
The question:
https://stat.ethz.ch/pipermail/r-sig-phylo/attachments/20080402/2e2b995e/attachment.pl
The threads:
https://stat.ethz.ch/pipermail/r-sig-phylo/2008-April/thread.html#35
I'll be interested to hear what approach you take, so let us (or me
anyway)
know.
Stacey
Quoting Christoph Heibl <christoph.he...@gmx.net>:
A question to the comparative method gurus:
I have a phylogeny for a group of plants that repeatedly evolved
annuality from perennial ancestors. For each tip in the tree I have
characterized the climatic tolerances (e.g. temperature,
precipitation, ...)
.
I would like to assess if there is a significant correlation between
life cycle (discrete) and climate variables (continuous).
I am not sure how to start with this and would appreciate your opinion!
Regards,
Christoph
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