Re: [R-sig-phylo] Phylogenetic regression available in R (Grafen, 1989)

the contrasts have been taken across each higher node, the design matrix for the model has lower rank than it did before, which is called losing a degree of freedom in the numerator (it is transferred to the denominator) Best wishes, Gustavo Paterno On Mar 7, 2014, at 6:06 AM, Emmanuel Paradis

[R-sig-phylo] Phylogenetic regression available in R (Grafen, 1989)

Hello all, I just got the confirmation that the Grafen method for phylogenetic regression (Grafen, 1989) was implemented in R ! The package “phyreg” has lots of details in help. Best wishes for all. Gustavo Paterno ___ R-sig-phylo mailing list - R-sig

Re: [R-sig-phylo] Phylogenetic Regression in R (Grafen method)

I understand, pgls does not give you contrasts, is that right? Thanks again, Gustavo Paterno I`m using Pyron phlogeny, so i dono have any politomy in my data estrutur On Dec 3, 2013, at 1:20 PM, Gustavo Paterno paterno...@gmail.com wrote: Hello, I`m analysing data for 300 anuran species

[R-sig-phylo] Phylogenetic Regression in R (Grafen method)

Hello, I`m analysing data for 300 anuran species. I want to run an ANCOVA using phylogenetic regression method (Grafen, 1989). Does any one know about a function or script to do it? Thanks, Gustavo Paterno ___ R-sig-phylo mailing list - R-sig-phylo@r