[R] Generalized linear models with categorical data

2010-11-25 Thread Diogo B. Provete
I got a question about using a GLZ with categorical x categorical data. Below there is a data set I want to know the influence of treatments (CONT, and LPS2H LPS24H) on the categories of pigmentation of the right testis of an amphibian. From these data, I used the function glm with binomial family

[R] Model fitting

2010-09-15 Thread Diogo B. Provete
I have a data set and I want to procedure to model fitting (e.g., Poisson, Gausian, binomial, quasipoisson etc.). I'd like to know if there is an easier way to do this in R. Thank you in advance. -- Atenciosamente, Diogo Borges Provete == BiĆ³logo Mestre em Biologia

[R] Doubts about ADE-4

2009-12-18 Thread Diogo B. Provete
Hi, I'm having some troubles in using the ADE-4 package. I want to analyze data for the Outlying Mean Index in the function 'niche'. I've got two matrixes: one for environmental data and the other for species abundance data. But to implement the analysis, as I understand it, I need to put tocheger

[R] Trouble with read.table(clipboard)

2009-12-01 Thread Diogo B. Provete
Hi every one, I'm having some problems with the function read.table(clipboard). I got a spread sheet in the Excel, and than I make a command+C in the Mac, but the R returns the message that there is no object in the clipboard. What could have happened? Thanks, Diogo [[alternative HTML