# About the formal category

**URL:** <https://discourse.datamethods.org/t/about-the-formal-category/20>\
**Category:** formal\
**Created:** [July 13, 2018, 1:12pm UTC](https://discourse.datamethods.org/t/about-the-formal-category/20 "2018-07-13T13:12:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![f2harrell](https://discourse.datamethods.org/user_avatar/discourse.datamethods.org/f2harrell/32/165_2.png) [@f2harrell](https://discourse.datamethods.org/u/f2harrell)\
**Post date:** [July 13, 2018, 1:12pm UTC](https://discourse.datamethods.org/t/about-the-formal-category/20/1 "2018-07-13T13:12:23Z")

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statistical tests and inference