Custom MMM Model: ROAS Parametrization

[juanitorduz]

Custom ROAS parametrization module using pymc-marketing. Port of the extensive simulation study: https://juanitorduz.github.io/mmm_roas/ by @juanitorduz

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📚 Documentation preview 📚: https://pymc-marketing--2361.org.readthedocs.build/en/2361/

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PR Summary

Low Risk
Low risk documentation-only change that updates the example gallery navigation; main impact is potential broken links/images if referenced assets are missing.

Overview
Adds a new Custom Models gallery card linking to the mmm_roas_parametrization notebook (with a corresponding thumbnail image), and standardizes the section heading capitalization from "Custom models" to "Custom Models".

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williambdean commented on 2026-03-04T19:48:13Z
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Can we address this deprecation :

var/folders/cm/3dzy9rdd5s3672z0s1brjkvh0000gn/T/ipykernel_87557/4038080168.py:16: FutureWarning: find_constrained_prior is deprecated and will be removed in a future version. Please use maxent function from PreliZ. https://preliz.readthedocs.io/en/latest/api_reference.html#preliz.unidimensional.maxent

ls_params = pm.find_constrained_prior(

juanitorduz commented on 2026-03-04T22:16:02Z
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Fixed :)

[juanitorduz]

Fixed :)

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