Ted said -- > One point for clarification and your further thoughts. > The way parameterize the OU process in Lavin et al. (2008) it is a > value of zero (not infinity) that gives a start phylogeny with > contemporaneous tips. Sometimes the ML estimate of d (what we call > it) goes to zero, but more often it may go very small but not zero. > In either case, it seems to me you can do a LRT versus a star with one > d.f.
Can you? Is the value of zero contained within the range of possible values, or at its extreme? I think for LRT you need contained within. Joe ---- Joe Felsenstein j...@gs.washington.edu Department of Genome Sciences and Department of Biology, University of Washington, Box 355065, Seattle, WA 98195-5065 USA _______________________________________________ R-sig-phylo mailing list R-sig-phylo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-phylo