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

junpenglao July 4, 2020, 10:03am 6

I don’t think so - @michaelosthege worked on something related last maybe he know a bit more.

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