# Help for example irt.py

**URL:** <https://discourse.edwardlib.org/t/help-for-example-irt-py/297>\
**Category:** General\
**Created:** [August 11, 2017, 3:45pm UTC](https://discourse.edwardlib.org/t/help-for-example-irt-py/297 "2017-08-11T15:45:14Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![dustin](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.edwardlib.org/dustin/32/134_2.png) [@dustin](https://discourse.edwardlib.org/u/dustin)\
**Post date:** [August 11, 2017, 3:45pm UTC](https://discourse.edwardlib.org/t/help-for-example-irt-py/297/1 "2017-08-11T15:45:14Z")

</div>

moved from [Help for example irt.py · Issue #721 · blei-lab/edward · GitHub](https://github.com/blei-lab/edward/issues/721)

> @xxxspy  
> I’m trying to understand the example edward/examples/irt.py. Unfortunately, I’m still confusing. Is there any references or materials about the algorithm ? Any help would be appreciated.

> @dustin  
> User Q&A is recommended at [https://discourse.edwardlib.org](https://discourse.edwardlib.org). The most related documentation is likely the linear mixed effects model tutorial.