Hi Helga,
did you load the boot library, which contains glm.diag(), by calling
library(boot)?
HTH
Stephan
Helga margrete holmestad schrieb:
I have made a poisson regression by using glm.
Then I want to check if I have over-dispersion in my model. I tried to use
glm.diag(fit.1), but then R told me it couldn't find the function glm.diag.
Does anybody know why? Or is there an other methode to check if there is
over-dispersion in my model
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