Displaying 1 result from an estimated 1 matches for "fertplots".
2010 Dec 06
0
Help with plit plot design in logit model
...ere are lot zeros
I'm trying to use the vglm function in VGAM package with zibinomial distribution. I'm a little confused about how to input the covariates to indicate a split plot design. My first try was
bmod<-vglm(cbind(Infect, Total)~Water*Fert+Slope/(Water*Fert), zibinomial, data=FertPlots)
I would like to know if the syntax I have used in the predictors is right for the split plot model. If not, how do I give the split plot model in R.
summary(bmod) does not give any p-values for individual tests or a degrees of freedom to test them. How do I test these factors using the vglm func...