Re: [R] interpreting interactions in a model

2011-08-23 Thread Greg Snow
nal Message- > From: r-help-boun...@r-project.org [mailto:r-help-bounces@r- > project.org] On Behalf Of gaiarrido > Sent: Wednesday, August 17, 2011 2:57 AM > To: r-help@r-project.org > Subject: [R] interpreting interactions in a model > > Hi, > I´ve got this model >

Re: [R] interpreting interactions in a model

2011-08-18 Thread gaiarrido
Thanks, I´ve found the differencies with a posteriori tests. I don't put the term month because it is not significant. - Mario Garrido Escudero PhD student Dpto. de Biología Animal, Ecología, Parasitología, Edafología y Qca. Agrícola Universidad de Salamanca -- View this message in context:

Re: [R] interpreting interactions in a model

2011-08-17 Thread Dennis Murphy
Hi: On Wed, Aug 17, 2011 at 1:56 AM, gaiarrido wrote: > Hi, > I´ve got this model >> model<-glm(prevalence~agesex+agesex:month,binomial) > > and the output of anova is like that > >> anova(model,test="Chisq") >                          Df Deviance Resid. Df Resid. Dev P(>|Chi|) > NULL            

[R] interpreting interactions in a model

2011-08-17 Thread gaiarrido
Hi, I´ve got this model > model<-glm(prevalence~agesex+agesex:month,binomial) and the output of anova is like that > anova(model,test="Chisq") Df Deviance Resid. Df Resid. Dev P(>|Chi|) NULL524 206.97 agesex