# \#constrain\_param

**URL:** https://discourse.pymc.io/tag/constrain-param/34.md

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## [Truncated multivariate prior in hierarchical setting](https://discourse.pymc.io/t/truncated-multivariate-prior-in-hierarchical-setting/8556)

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**Author:** [@Antonis\_Mav](https://discourse.pymc.io/u/Antonis_Mav)\
**Replies:** 3\
**Last updated:** [January 8, 2022, 7:08pm UTC](https://discourse.pymc.io/t/truncated-multivariate-prior-in-hierarchical-setting/8556 "2022-01-08T19:08:55Z")

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Hi all Put shortly, my problem is about using a truncated multivariate distribution as a prior in a hierarchical setting. More specifically, I am working on a hierarchical linear model and the intercepts and slopes ar…