# Improving performance of item response model in Turing.jl

**URL:** <https://discourse.julialang.org/t/improving-performance-of-item-response-model-in-turing-jl/86249>\
**Category:** Performance\
**Tags:** turing\
**Created:** [August 24, 2022, 8:52am UTC](https://discourse.julialang.org/t/improving-performance-of-item-response-model-in-turing-jl/86249 "2022-08-24T08:52:12Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![EvoArt](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/evoart/32/25357_2.png) [@EvoArt](https://discourse.julialang.org/u/EvoArt)\
**Post date:** [August 24, 2022, 11:39am UTC](https://discourse.julialang.org/t/improving-performance-of-item-response-model-in-turing-jl/86249/2 "2022-08-24T11:39:40Z")

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Have you tried using MvNormal priors, specifically using FillArrays and `I` from LinearAlgebra as in this post? [Regularized horseshoe prior](https://discourse.julialang.org/t/regularized-horseshoe-prior/71599)

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