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Generalized Poisson distribution #739
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Paul, I agree this would be a terrific add. With |
After looking up how I could fit underdispersed count data and seeing that very few tools seem to do it, I also think this would be a great feature. |
Hi Paul - any updates on a generalized poisson distribution? thanks - |
Unfortunately not. It is not very high on my priority list of brms features
at the moment.
rbcav <notifications@github.com> schrieb am Fr., 31. Juli 2020, 16:06:
… Hi Paul - any updates on a generalized poisson distribution? thanks -
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Hi Paul, any development on the implementation of the generalized Poisson distribution in brms or any advice on how one might go about implementing it for oneself? Cheers! |
Unfortunately not yet at the moment.
FErixon ***@***.***> schrieb am Fr., 30. Juni 2023, 15:24:
… Hi Paul, any development on the implementation of the generalized Poisson
distribution in brms or any advice on how one might go about implementing
it for oneself? Cheers!
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The generalized poisson distribution has some potential when it comes to the estimation of underdispersed count data and is much more efficient to evaluate the the conway-maxwell poisson distribution. It may have trouble due to its complex support and it remains to be evaluated whether this distribution is robust enough to be implemented as a native family in brms. More information about the generalized poisson distribution may for instance be found at https://rdrr.io/cran/VGAM/man/genpoisson.html.
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