Find DIC values for another sample

Asked Apr 28 '20 at 22:45

Active Apr 29 '20 at 04:48

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I trained a model using JAGS and I obtained parameter values. Can I calculate the DIC values for a subset of these data points. The code is

mod=jags.model(textConnection(mod_string), data=data_jags, n.chains=3)

dic= dic.samples(mod, n.iter=1000)

but I want to calculate the DIC for a subset of data_jags.

edited Apr 29 '20 at 04:48

asked Apr 28 '20 at 22:45

A Doe

You could calculate it manually. See my answer to this question for definitions of DIC, including the JAGS one: https://stats.stackexchange.com/questions/331928/dic-waic-in-jags/476780#476780. Since you have a subset of data, you would only sum over the observations in this subset. Otherwise, it's exactly the same. – Earlien Jul 12 '20 at 05:07

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