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A discrete distribution defined on the non-negative integers that has the property that the mean is equal to the variance.

5 votes
1 answer
1k views

Why fitting a Poisson GLM in an over dispersed dataset underestimate the standard error of t...

It is claimed by many authors that if we fit the GLM Poisson model to an over dispersed dataset of count data, the standard error of the estimated coefficients will be under-estimated. Could you pleas …
InTheSearchForKnowledge's user avatar
4 votes
1 answer
1k views

How to build a saturated model

I am struggling with the understanding of a saturated model. As far as I know, the saturated model is the model that have as many parameter as the data points. But I don't know how to build it or what …
InTheSearchForKnowledge's user avatar