[R-sig-phylo] interpreting PGLS results when lambda>1

2015-12-17 Thread Zach Culumber
Hi everyone, I have been running PGLS with gls from NLME and phyl.resid from PHYTOOLS. Most of my analyses are running well with no problems and give the same results in both packages. With just a few of my dependent variables, which happen to be evolutionary rates extracted from the program

[R-sig-phylo] Unable to reorder any phylo object with reorder.phylo

2016-08-11 Thread Zach Culumber
Hi everyone, I seem to have an issue where I cannot get any trees (real data or simulated trees) to reorder. I've tried a lot of different things including updating packages, restarting R, using a different computer. My real trees have 501 tips, but I'm having this issue even when I simulate

Re: [R-sig-phylo] Unable to reorder any phylo object with reorder.phylo

2016-08-11 Thread Zach Culumber
rofessor of Biology > University of Massachussetts Boston > email: liam.rev...@umb.edu > web: http://faculty.umb.edu/liam.revell > > Sent from Outlook Mail for Windows 10 phone > > > > *From: *Zach Culumber <zculum...@gmail.com> > *Sent: *Thursday, August 11, 201

[R-sig-phylo] mean phylogenetic distance for subsets of species from a tree

2017-02-02 Thread Zach Culumber
Hi everyone, I have a time-calibrated phylogeny with ~100 species and a list of ~1000 observed species assemblages which vary from 2-20 species in size. I'd like to get the mean phylogenetic distance among species in each assemblage, but I'm having difficulty finding a way to do this. The

Re: [R-sig-phylo] quantitative state dependent diversification of another quantitative trait

2018-04-05 Thread Zach Culumber
> *De :* R-sig-phylo <r-sig-phylo-boun...@r-project.org> de la part de > Brian O'Meara <omeara.br...@gmail.com> > *Envoyé :* mercredi 4 avril 2018 22:39 > *À :* Zach Culumber > *Cc :* mailman, r-sig-phylo > *Objet :* Re: [R-sig-phylo] quantitative state dep

[R-sig-phylo] quantitative state dependent diversification of another quantitative trait

2018-04-04 Thread Zach Culumber
Hi everyone, We are interested in examining whether shifts in one continuous trait have preceded shifts in another continuous trait through evolutionary time for a phylogeny of ~80 species. To do this we were thinking of calculating the change in the value of each trait for each tip to its most