This is a problem I’ve been observing with sampling in pymc3. I have a deterministic function (nonlinear ODE) that I can evaluate and the response seems to be correct. When I tell pymc3 to sample the function, it does but it does not seem to realize that it is sampling. Instead it continues to samp…

Pymc3 evaluates function but doesn't update sample

NateAM November 3, 2017, 2:11am 4

That does seem to help. Do you have any ideas about what could be taking place? Should I just plan on using Metropolis for these sorts of models?

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