On Sun, 2010-12-19 at 21:07 +0100, Mario Brusadin wrote:
Dear all,
Apologies in advance for the total beginner's question. I would like
to perform a simple ordination on a dataset of species traits,
contaning both continous and categorical variables, as well as a
cluster analysis on the
Mario Brusadin mario.brusa...@gmail.com
writes:
I would like to perform a simple ordination on a dataset of species
traits, contaning both continous and categorical variables, as well as
a cluster analysis on the same dataset. ... I would possibly like to
overlay the results of the cluster
Dear Mario,
For the Gower dissimilarity you may want to check
Library(FD)
?gowdis
which allows weights to be assigned to traits/variables (sometimes useful),
and implements Podani's 1999 approach for ordinal traits/variables.
Cheers
Etienne
-Original Message-
From:
Dear Mario
Just adding up to the previous suggestions made by Etienne and Tyler:
A paper by Sandrine Pavoine et al. published last year in Oikos
(Pavoine S et al. 2009. On the challenge of treating various types of
variables: application for improving the measurement of functional
diversity.