Beta Regression

[gholiz...@gmail.com]

Hello,

Please help me to run following model:

My likelihood is Beta distribution and I want model mean and precision parameter simultaneously

Y~beta(µϕ,(1-µ)ϕ)

 

g(µ)=Xß

H(ϕ)=Zg,

 

where X and Z are covariate matrix, ß and g are coefficient vectors that I want to estimate. 

 

 Would you please let me know if it is possible with INLA?

[Finn Lindgren]

This is not possible with regular INLA.

The next version (likely updated on CRAN in a week or two) of the inlabru package can do an approximation of this, but using the inlabru method for this is essentially an ongoing current research project.

Finn

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Finn Lindgren
email: finn.l...@gmail.com

[Balaji Raman]

Hello Finn,

I have a same question on beta regression.

 Is there any latest work that can allow modelling of precision parameter as well in beta regression using INLA?

Thanks,

[Helpdesk (Haavard Rue)]

Not yet. could be if required ??

Håvard Rue
he...@r-inla.org