# How to model a deterministic "greater than"?

**URL:** <https://discourse.pymc.io/t/how-to-model-a-deterministic-greater-than/3471>\
**Category:** Questions\
**Created:** [June 23, 2019, 3:10pm UTC](https://discourse.pymc.io/t/how-to-model-a-deterministic-greater-than/3471 "2019-06-23T15:10:05Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![junpenglao](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.pymc.io/junpenglao/32/8_2.png) [@junpenglao](https://discourse.pymc.io/u/junpenglao)\
**Post date:** [June 24, 2019, 9:40am UTC](https://discourse.pymc.io/t/how-to-model-a-deterministic-greater-than/3471/6 "2019-06-24T09:40:31Z")

</div>

> [@ricardoV94](#):
>
> It works… with a lot of divergences… but it works.

… Bad news to this is that if you see a lot of divergence the model is NOT working…

I really think you should change your model parameterization. See eg: [Trueskill model in pymc3 - #2 by junpenglao](https://discourse.pymc.io/t/trueskill-model-in-pymc3/3442/2)

---

_[View the full topic](https://discourse.pymc.io/t/how-to-model-a-deterministic-greater-than/3471)._