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Results tagged with jags
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user 10890
"JAGS is Just Another Gibbs Sampler. It is a program for analysis of Bayesian hierarchical models using Markov Chain Monte Carlo (MCMC) simulation not wholly unlike BUGS." (http://mcmc-jags.sourceforge.net/)
15
votes
2
answers
8k
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How can I model a proportion with BUGS/JAGS/STAN?
However, I don't know how to write it in BUGS/JAGS/STAN (JAGS would be my best choice, but it doesn't really matter). … The code would be something like this (in JAGS syntax), but I don' know how to "link" the y_hat and y parameters. …
- 31.2k
2
votes
1
answer
4k
views
Problems of specifying constrained parameters in a hierarchical model under JAGS
I'm trying to fit a model under JAGS where I have a response, y, that depends linearly on eight predictors (with no intersect : I'm actually trying to evaluate the share of each socioeconomic statuts population … My problem is that naive hierarchical modelling, under lmer() in R or in JAGS, gives me some negative estimates of my interest parameters, which is logically impossible. …
- 41.1k