Referring to the link : pymc.CustomDist — PyMC dev documentation Provide a random function that return numerical draws. This allows one to use a CustomDist in prior and posterior predictive sampling. from typing import Optional, Tuple import numpy as np import pymc as pm from pytensor.tensor impo…

Using CustomDist for sample_prior_predictive

Varun_Gupta July 12, 2023, 5:22pm 7

@cluhmann could you please elaborate more on this?

If your model isn’t yet there, then using it to generate data means you aren’t quite sure what your (synthetic) data is either.

Topic		Replies	Views
Sample from prior? Questions	9	3525	July 20, 2018
Simulating Fake Data from pymc3 model Questions	1	1783	October 28, 2017
Sample posterior predictive error Questions	3	1209	October 8, 2019
Having problems defining random function for custom distribution with mixture of observed and random variables Questions	5	1045	November 20, 2018
What method is required to implement custom distribution in pymc? v5	1	1397	May 14, 2023