Hi, I have a model which is a monoexponential decay as a function of some b-values b for which I want to estimate the decay constant ADC. The model as a function of the b_values is like: y_i=s_0\exp\{-b_i\times ADC\} + \epsilon_i where \epsilon is a i.i.d Gaussian noise with standard deviation \…

Try moving the custom log_prob function outside of the pm.Model block “Lambdas defined in local namespace are not picklable (see issue #1995 )” ref: pymc-devs/pymc3/blob/a01d015763f82b590a8355fec018ce2706982607/pymc3/examples/custom_dists.py#L27-L32 # define loglikelihood outside of the m…

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junpenglao October 23, 2019, 11:41am 6

You can take a look at this post first: How to set up a custom likelihood function for two variables

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