I am trying to use PyMC’s[v4] Multinomial(chaining it with few more random variables) to define a model for a project and then generate trace using pm.sample(), but I see Sampling Error while generating the trace. So, I did a deep-dive and I reproduced the error with a simple Multinomial example as …

pm.Multinomial gives Sampling Error

aakhmetz October 20, 2022, 7:34am 2

What’s the likelihood in your model? (the observed variables)

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