# Anomaly Score Formular

**URL:** <https://discuss.elastic.co/t/anomaly-score-formular/240030>\
**Category:** Elasticsearch\
**Tags:** elastic-stack-machine-learning\
**Created:** [July 6, 2020, 3:34pm UTC](https://discuss.elastic.co/t/anomaly-score-formular/240030 "2020-07-06T15:34:04Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![MisterLamp](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/misterlamp/32/71628_2.png) [@MisterLamp](https://discuss.elastic.co/u/MisterLamp)\
**Post date:** [July 6, 2020, 3:34pm UTC](https://discuss.elastic.co/t/anomaly-score-formular/240030/1 "2020-07-06T15:34:04Z")

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Hello, I am searching for the exact formular concerning the anomaly score. I have read that this is a 2 part calculation of mean and a quantile regressionanalysis.  
I am writing my masterthesis with some analysis on data and I want to describe this metric in detail. Is there also a book where this is described maybe?

Thanks in Advance  
Thomas

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**Author:** ![richcollier](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/richcollier/32/115035_2.png) [@richcollier](https://discuss.elastic.co/u/richcollier)\
**Post date:** [July 6, 2020, 3:41pm UTC](https://discuss.elastic.co/t/anomaly-score-formular/240030/2 "2020-07-06T15:41:55Z")

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blog: [https://www.elastic.co/blog/machine-learning-anomaly-scoring-elasticsearch-how-it-works](https://www.elastic.co/blog/machine-learning-anomaly-scoring-elasticsearch-how-it-works)

book: [https://www.packtpub.com/big-data-and-business-intelligence/machine-learning-elastic-stack](https://www.packtpub.com/big-data-and-business-intelligence/machine-learning-elastic-stack)

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**Author:** ![MisterLamp](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/misterlamp/32/71628_2.png) [@MisterLamp](https://discuss.elastic.co/u/MisterLamp)\
**Post date:** [July 6, 2020, 3:45pm UTC](https://discuss.elastic.co/t/anomaly-score-formular/240030/3 "2020-07-06T15:45:46Z")

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Thank you for the fast answer. I bought your book.

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [August 3, 2020, 3:45pm UTC](https://discuss.elastic.co/t/anomaly-score-formular/240030/4 "2020-08-03T15:45:47Z")

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