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pythonbayesianpymc3arviz

For the command pm.plot_posterior of pymc3

Usually, I find we use the pm.binomial() and so forth. and using the pm.plot_posterior we get the Discrete graph, my question is why my graph I have to get is a curve? Could someone enlighten me?

I want to get:

enter image description here

But I get the graph:

enter image description here

Solution

  • The kind argument accepts either "kde" (default for continuous) or "hist".

    import arviz as az

az.plot_posterior(trace, kind="hist")

    Please see the documentation.