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Extract BFMI from stanfit object in rstan

After fitting a model in stan using stan(), how can I extract the BFMI for each chain? From this conversation: https://groups.google.com/forum/#!topic/stan-dev/uJhsapVwlk8, it appears that BFMI at one point displayed when using the print method. However, that doesn't appear when using print(stanfit), and the BFMI doesn't show up when using get_sampler_params(stanfit).

Is there a way to get the BFMI from a stanfit object?

rstan version: 2.14.1

Solution

  • It is not returned but if you want to do it yourself, see this block of code.