How can I provide a certain proposal width to my sampler and not let it change during the entire sampling? I see that PyMC3 executes the following code to scale the proposal width. I don’t want this to happen and I would like to provide my own standard deviation for the normal distribution proposal…

Tuning proposal in Metropolis

charliez July 3, 2020, 11:15pm 5

Hi @junpenglao , I’m just curious whether the user now has access to the tunned parameters, i.e. scales in Metropolis?

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