

   Dear list: 

   I read some time ago in one of the posts that the option of implementing quasi- families in lmer had been removed. Is that right? 
   I´ve been a lot of time trying to find a way to test for overdispersion in lmer without success. And now that I read that I won't be able to use a quasi-poisson distribution for my data in case the model is overdispersed assuming poisson errors, I wonder wether it's really worth testing for overdispersion, and what alternatives do I have in case my model is overdispersed.

   Thank you very much!

    Iker Vaquero 

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