Thanks everyone! On Thursday, January 28, 2016 at 1:39:43 AM UTC+11, Christy Hipsley wrote: > > Dear All, > > I'm working with a 3D GM data set and am looking for a specific test of > convergence that also accounts for phylogeny. After some searching it's > still not clear to me what is appropriate - so far I only see programs that > use reduced PC axes as continuous characters, but nothing that uses the > full Procrustes coordinates. I've applied a phylogenetic ANOVA in Geomorph > to at least show that after accounting for phylogeny, morphological shape > is significantly different among ecological groups (in this clade several > unrelated lineages occur in the same ecological niche). > > Does anyone know of a method for testing for convergence across a > phylogeny using the full shape data or is it always using PC scores? What > about using scores from a CVA instead, since they are specifically > addressing the question of differences among the a priori ecological groups > (and PCA does not)? Could those be mapped onto a phylogeny and modelled in > terms of BM vs OU, to test if that morphological change is adaptive? > > Any advice on these analyses would be appreciated. I'm aware of the > package Surface but I'm not convinced that is right for my system. > > My shape data has a significant phylogenetic signal and I suspect that one > ecological group in particular is highly convergent. > > > Thanks for any help! > > Christy > > School of BioSciences > University of Melbourne > Parkville VIC 3010, Australia > Email: chips...@unimelb.edu.au >
-- MORPHMET may be accessed via its webpage at http://www.morphometrics.org --- You received this message because you are subscribed to the Google Groups "MORPHMET" group. To unsubscribe from this group and stop receiving emails from it, send an email to morphmet+unsubscr...@morphometrics.org.
