Re: [R-sig-phylo] combined CI across trees (Krzysztof Bartoszek)

2013-12-03 Thread krzysztofbartoszek
Hi, Another way of constructing CIs across trees is to assume a tree model and then integrate over all trees. We (with Serik Sagitov) have done this for the primary optimum parameter in the OU (paper still under review) : Krzysztof Bartoszek, Serik Sagitov Phylogenetic confidence intervals for

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

2013-12-03 Thread Gustavo Paterno
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 -

Re: [R-sig-phylo] best fit vs normality of residuals

2013-12-03 Thread Luke Matthews
Hi Agus, If I understand your post correctly, you implemented the two models with exactly the same formula, and phylogenetic tree, and varied only the transform applied to the variables. In one case the transform was to 'scale and center' both the dependent and independent variables while in

Re: [R-sig-phylo] best fit vs normality of residuals

2013-12-03 Thread Theodore Garland Jr
Good advice! Cheers, Ted From: r-sig-phylo-boun...@r-project.org [r-sig-phylo-boun...@r-project.org] on behalf of Luke Matthews [lmatth...@activatenetworks.net] Sent: Tuesday, December 03, 2013 8:29 AM To: r-sig-phylo@r-project.org Subject: Re: [R-sig-phylo] best fit vs normality of residuals