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apf
2013 Jul 05
1
multcomp on significant interaction in coxme model
...se interaction is significant.
I read Hothorn, T. 2011: Additional multcomp Examples and there is an
example involving a two-way ANOVA with significant interaction. Using
this guideline I wanted to compare the levels of treatment in my data
within the levels of cover.
My model is as follows:
m.lapf<-coxme(Surv(day,status)~cover*treatment+(1|r.brood)+(1|r.worker)+(1|species/brood),data=removal.lapf)
First I constructed a contrast matrix based on Tukey-contrasts as follows:
Tukey<-contrMat(table(removal.lapf$treatment), "Tukey")
Tukey
K1<-cbind(Tukey,matrix(0,nrow=nrow(Tuke...