Re: [R] GAM quasipoisson in MuMIn - SOLVED

2011-02-04 Thread Karen Moore
.which I didn't have. Regards, Karen On 4 February 2011 12:31, Karen Moore wrote: > > Hi, > > I have a GAM quasipoisson that I'd like to run through MuMIn package > > >- dredge >- gettop.models >- model.avg > > > However, I'm ha

Re: [R] GAM quasipoisson in MuMIn

2011-02-04 Thread Karen Moore
iated as out of the 4 models I'm running through MMI for my data this is only one giving me problems (again all of the above script works fine with *exactly* same GAM model with a poisson distribution!) Regards, Karen On 4 February 2011 12:47, Gavin Simpson wrote: > On F

[R] GAM quasipoisson in MuMIn

2011-02-04 Thread Karen Moore
Hi, I have a GAM quasipoisson that I'd like to run through MuMIn package - dredge - gettop.models - model.avg However, I'm having no luck with script from an example in MuMIn help file. In MuMIn help they advise "include only models with smooth OR linear term (but not both) for each

[R] Error message: number of items to replace is not a multiple of replacement length

2011-02-03 Thread Karen Moore
*Warning messages: *appear after dredging global model in MMI and requesting model selection table dd(global model)<-dredge(global model) - runs OK dd(global model) * 1: In x[i] <- value[[j]] : number of items to replace is not a multiple of replacement length* Also at model averaging stage

[R] Modelling poisson distribution with variance structure

2010-08-04 Thread Karen Moore
t AIC with this model) - glmm in lme4 (lmer) - won't allow variance structure - gls - can add variance but can't have Poisson Thanks so much, Karen Moore PhD Researcher, FORESTBIO, Department of Botany, Trinity College Dublin Irelan

[R] Interactions in GAMMs

2010-07-21 Thread Karen Moore
WDLD:DISTWOOD : # numerical expression has 150 elements: only the first used Can anyone offer advice on how to include this interaction in GAMM model? Thanks Karen Moore [[alternative HTML version deleted]] __ R-help@r-project.org maili