Fix independent_rvs determination in vectorize_over_posterior
#7890
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #7890 +/- ##
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Coverage 91.49% 91.49%
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Files 116 116
Lines 18962 18963 +1
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+ Hits 17349 17350 +1
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ricardoV94
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Looks good, some small comments
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Thanks for the review @ricardoV94. I applied your comments. Sorry for the long delay |
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ricardoV94
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| and not ({*outputs, *independent_rvs} & set(rv_ancestors)) | ||
| and {var for var in rv_ancestors if var in all_rvs} <= {rv, *needed_rvs} | ||
| ): | ||
| blockers = [*needed_rvs, *independent_rvs, *outputs] |
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NIT: This could be a set, ancestors will convert it to one anyway.
NIT: This could be created incrementally, you're just adding independent_rvs in the loop
ricardoV94
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LGTM, tiny nit if you want to address. Otherwise feel free to merge |
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Description
This PR fixes the determination of
independent_rvsRVs invectorize_over_posterior. I think that the fixed check is much clearer now. It says that anrvis independent if it doesn't depend on anoutput, aneeded_rv(a model freeRV that is replaced by its posterior samples), or anotherindependent_rv. To make sure the check works correctly, the candidate rv nodes are searched in the order given by their topological sort.Related Issue
vectorize_over_posteriorfails to determineindependent_rvs#7889Checklist
Type of change
📚 Documentation preview 📚: https://pymc--7890.org.readthedocs.build/en/7890/