# Bradley-Terry Model doesn't recover parameters

**URL:** <https://discourse.mc-stan.org/t/bradley-terry-model-doesnt-recover-parameters/16790>\
**Category:** Modeling\
**Tags:** fitting-issues\
**Created:** [July 20, 2020, 7:06pm UTC](https://discourse.mc-stan.org/t/bradley-terry-model-doesnt-recover-parameters/16790 "2020-07-20T19:06:58Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![maxbiostat](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/maxbiostat/32/1326_2.png) [@maxbiostat](https://discourse.mc-stan.org/u/maxbiostat)\
**Post date:** [July 20, 2020, 7:10pm UTC](https://discourse.mc-stan.org/t/bradley-terry-model-doesnt-recover-parameters/16790/2 "2020-07-20T19:10:51Z")

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Have you looked [here](https://discourse.mc-stan.org/t/stan-model-to-fit-ranks-to-match-data-like-bradley-terry-1952/4228) ? Are you using @Bob_Carpenter’s implementation?

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