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Do you know in which situations is it possible to have a bimodal posterior distribution for some parameters? I couldn't find any information on the web.

Thanks for your help.

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  • $\begingroup$ check for mixtures or non-identifiability $\endgroup$ – Xi'an Jan 8 '18 at 17:15
  • $\begingroup$ Thanks for your reply. Do you think it could be possible to have a bimodal marginal posterior distribution of some parameters in the complete separation case fitting a Bayesian logistic regression? $\endgroup$ – Prunus avium Jan 9 '18 at 11:33

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