# Machine learning: Duration of "Open/Active" Event?

**URL:** <https://discuss.elastic.co/t/machine-learning-duration-of-open-active-event/119388>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-machine-learning\
**Created:** [February 11, 2018, 7:25pm UTC](https://discuss.elastic.co/t/machine-learning-duration-of-open-active-event/119388 "2018-02-11T19:25:07Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [February 14, 2018, 12:27am UTC](https://discuss.elastic.co/t/machine-learning-duration-of-open-active-event/119388/4 "2018-02-14T00:27:16Z")

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[How to calculate delta value](https://discuss.elastic.co/t/how-to-calculate-delta-value/107156/2) might give you part of what you want.

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_[View the full topic](https://discuss.elastic.co/t/machine-learning-duration-of-open-active-event/119388)._