# About the data reduction category

**URL:** <https://discourse.datamethods.org/t/about-the-data-reduction-category/43>\
**Category:** data reduction\
**Tags:** data-reduction\
**Created:** [July 21, 2018, 3:47pm UTC](https://discourse.datamethods.org/t/about-the-data-reduction-category/43 "2018-07-21T15:47:58Z")\
**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 21, 2018, 3:47pm UTC](https://discourse.datamethods.org/t/about-the-data-reduction-category/43/1 "2018-07-21T15:47:58Z")

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data reduction (principal components, etc.), clustering, unsupervised learning