search for: modpc1

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2012 Jun 19
1
Error when trying to update cpglm model
...  dat<-expand.grid(period=period,herd=herd)                       beta<-c(-.3,1.7,2.5,3.4)                  X<-model.matrix(~period,dat)               mu<-as.vector(exp(X%*%beta))         phi<-1; p<-1.6                dat$resp<-rtweedie(nrow(dat),p,mu,phi) ## cpglm model modPC1<-cpglm(resp~period,data=dat) head(modPC1@model.frame) ## Simulating new response vector and re-fitting the model sim.hnp<-function(glmfit){   dat.1<-glmfit@model.frame   n<-nrow(dat.1)   dat.1[,1]<-rtweedie(n,glmfit$p,fitted(glmfit),glmfit$phi)      mfun<-update(object=glmfit,da...