# Snp x covarite interaction in Hail 0.2

**URL:** <https://discuss.hail.is/t/snp-x-covarite-interaction-in-hail-0-2/879>\
**Category:** Feature Requests\
**Created:** [February 26, 2019, 10:39pm UTC](https://discuss.hail.is/t/snp-x-covarite-interaction-in-hail-0-2/879 "2019-02-26T22:39:18Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![aleriedy](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.hail.is/aleriedy/32/260_2.png) [@aleriedy](https://discuss.hail.is/u/aleriedy)\
**Post date:** [February 26, 2019, 10:39pm UTC](https://discuss.hail.is/t/snp-x-covarite-interaction-in-hail-0-2/879/1 "2019-02-26T22:39:18Z")

</div>

I was wondering if I can include SNP x Covarite interaction term ?

Thank you

---

<div class="post-metadata">

**Author:** ![jbloom](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.hail.is/jbloom/32/109_2.png) [@jbloom](https://discuss.hail.is/u/jbloom)\
**Post date:** [February 26, 2019, 10:57pm UTC](https://discuss.hail.is/t/snp-x-covarite-interaction-in-hail-0-2/879/2 "2019-02-26T22:57:20Z")

</div>

Yes, using the linreg aggregator:  
[https://hail.is/docs/0.2/aggregators.html?highlight=linreg#hail.expr.aggregators.linreg](https://hail.is/docs/0.2/aggregators.html?highlight=linreg#hail.expr.aggregators.linreg)