I think you want SLOUCH: Hansen et al. 2008: https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1558-5646.2008.00412.x. One trait evolves under Brownian motion, another trait follows it.
Best, Brian _______________________________________________________________________ Brian O'Meara, http://www.brianomeara.info, especially Calendar <http://brianomeara.info/calendars/omeara/>, CV <http://brianomeara.info/cv/>, and Feedback <http://brianomeara.info/teaching/feedback/> Associate Professor, Dept. of Ecology & Evolutionary Biology, UT Knoxville Associate Head, Dept. of Ecology & Evolutionary Biology, UT Knoxville Associate Director for Postdoctoral Activities, National Institute for Mathematical & Biological Synthesis <http://www.nimbios.org> (NIMBioS) On Wed, Apr 4, 2018 at 2:43 PM, Zach Culumber <zculum...@gmail.com> wrote: > 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 recent ancestor > (i.e., node) and then for each node to its most recent ancestral node. We > have all the tip values and conducted ASR to get the node values. However, > we are unaware of any functions or packages that would automate calculation > of all these distances for teach tip and node to its most recent ancestor. > Does anyone have any suggestions of functions or packages that might > possibly do this? Alternatively, are there better existing options for > exploring this question? I.e., something similar to QuaSSE but for analysis > between two quantitative traits rather than traits and species > diversification? Something like Bayes Traits or PGLS would allow tests of > correlated evolution, but not the order of evolutionary shifts. > > Thank you for any insights! > > Zach > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-phylo mailing list - Remail@example.com > https://stat.ethz.ch/mailman/listinfo/r-sig-phylo > Searchable archive at http://www.mail-archive.com/r- > sig-ph...@r-project.org/ > [[alternative HTML version deleted]] _______________________________________________ R-sig-phylo mailing list - Rfirstname.lastname@example.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo Searchable archive at http://email@example.com/