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2 votes

How to simulate data for a Gamma glm?

A gamma GLM uses a constant shape parameter. The shape is related to the dispersion (the gamma shape = $1/\phi$) and GLMs are constant-dispersion. GLMMs are based on GLMs but with random effects added ...
Glen_b's user avatar
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1 vote

Didactic example of mean-variance dependency in linear models

I like the idea of showing the consequences of not respecting the mean-variance relationship. However, I would say that there are more issues than just that if you attempt to model counts with an ...
Frans Rodenburg's user avatar

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