hello, How can I calculate the posterior predictive with the BackBoxe methode ? As the y_pred variable is not defined in the model, I get the following error : ppc = pm.sample_posterior_predictive(trace, samples=800, model=model1) ValueError: Distribution was not passed any random method Defin…

For this old question, I just coded the calculation of the posterior_predictive like that: tracedf=pm.trace_to_dataframe(trace) d=np.random.choice(range(len(tracedf)), size=800, replace=False) d2=tracedf.iloc[d] model=my_model([d2.iloc[0].var1,d2.iloc[0].var2,d2.iloc[0].var3],x) ppc = {'y_obs': np…

How to calculate the Posterior predictive distribution within the BackBoxe methode?

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dpananos May 7, 2019, 2:16am 2

Can you post some more code? How is your model defined?

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How to calculate the Posterior predictive distribution within the BackBoxe methode?

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