Re: [R] GLM and normality of predictors

2011-04-15 Thread Ben Bolker
Sacha Viquerat web.de> writes: > > Am 15.04.2011 20:14, schrieb Christian Hennig: > > Normality of the predictors doesn't belong to the assumptions of the > > GLM, so you don't have to check this. > > > > On Fri, 15 Apr 2011, Simone Santoro wrote: > > > >> I want to estimate the possible effects

Re: [R] GLM and normality of predictors

2011-04-15 Thread Sacha Viquerat
Am 15.04.2011 20:14, schrieb Christian Hennig: Normality of the predictors doesn't belong to the assumptions of the GLM, so you don't have to check this. Note, however, that there are all kinds of potential problems which to detect is fairly hopeless with n=11 and three predictors, so you should

Re: [R] GLM and normality of predictors

2011-04-15 Thread Christian Hennig
Normality of the predictors doesn't belong to the assumptions of the GLM, so you don't have to check this. Note, however, that there are all kinds of potential problems which to detect is fairly hopeless with n=11 and three predictors, so you shouldn't be too confident about your results anywa

[R] GLM and normality of predictors

2011-04-15 Thread Simone Santoro
Hi, I have found quite a few posts on normality checking of response variables, but I am still in doubt about that. As it is easy to understand I'm not a statistician so be patient please. I want to estimate the possible effects of some predictors on my response variable that is nº of males an