[R-sig-phylo] Disagreement between "length" of data and "length" of phylogeny

Dear List, I am having some difficulties calculating phylogenetic independent contrasts on a multiPhylo object using APE. When I attempt to calculate a contrast, the following error message appears (preceded by the code I am using to calculate the PIC): > fixtree <- read.nexus("fixeddatatrees.ne

Re: [R-sig-phylo] Calculating branch lengths on a multiphylo object

, 2016 at 12:34 AM, Michael Pauers > wrote: > >> Dear list, >> >> First, Happy New Year! >> >> Second, I will apologize in advance, as I am nothing more than a duffer >> with R, so I may ask several follow-up questions to this one. >> >> I have a set

[R-sig-phylo] Calculating branch lengths on a multiphylo object

Dear list, First, Happy New Year! Second, I will apologize in advance, as I am nothing more than a duffer with R, so I may ask several follow-up questions to this one. I have a set of 1000 trees that lack branch lengths. I have used previously used ape to calculate branch lengths on a single tr