DOC: Clarify Wishart distribution usage in docstring#1
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- Distinguish between prior use (not recommended) and likelihood use (allowed) - Explain why Wishart is problematic for MCMC sampling - Reference LKJCholeskyCov/LKJCorr as alternatives - Closes pymc-devs#8196
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Description
This PR improves the documentation for the Wishart distribution to clarify its practical limitations and use cases.
Changes
Issue
Closes pymc-devs#8196
Checklist