Hello, I’m trying to run an out of sample test on fitted model. I’m getting the following error: --------------------------------------------------------------------------- IncorrectArgumentsError Traceback (most recent call last) /tmp/ipykernel_27850/1536611220.py in <module> …

There are a couple issues with your call to pm.sample_posterior_predictive. [image] jordan.howell2: test_ppc = pm.sample_posterior_predictive(trace, partial_pooled_model) The main one is you are not passing the arguments correctly. As you can see at pymc.sample_posterior_predictive — PyMC 5.…

Error on running out of sample sampling

Questions v5

michaelosthege July 14, 2022, 6:31pm 4

Looks like this could be the same issue for which @canyon289 opened this ticket? Make docstring for keep_size in Posterior predictive check be nicer, or turn it off by defaulkt · Issue #5971 · pymc-devs/pymc · GitHub

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Out of sample prediction v5 modeling	20	1954	April 7, 2023
What does this error mean? IncorrectArgumentsError: Should not specify both keep_size and samples arguments. See the docstring of the samples argument for more details v5 bug	3	625	October 11, 2022
Example for out-of-sample prediction with posterior predictive sampling v5	8	3314	October 28, 2022
ValueError: conflicting sizes for dimension 'chain': length 1 on the data but length 2 on coordinate 'chain' v5	8	1704	October 13, 2022
How to predict new values on hold-out data Questions	24	13494	July 22, 2020

Error on running out of sample sampling

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