In an attempt to solve a more complex model, I have created simple toy model below. It uses a categorical prior and Poisson prior distribution. It seems to me that the chain should converge on 6, that is twice the obs value, but it does not move from zero. I feel I must have overlooked something ve…

Categorical Prior Distribution

Helmut February 26, 2019, 8:11am 3

Yes, with a non-zero testval it works! Why should this be?

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