# Math computation in TSVB

**URL:** <https://discuss.elastic.co/t/math-computation-in-tsvb/292704>\
**Category:** Kibana\
**Tags:** kql-kibana-query-language\
**Created:** [December 22, 2021, 3:09pm UTC](https://discuss.elastic.co/t/math-computation-in-tsvb/292704 "2021-12-22T15:09:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Sugand](https://avatars.discourse-cdn.com/v4/letter/s/9d8465/32.png) [@Sugand](https://discuss.elastic.co/u/Sugand)\
**Post date:** [December 22, 2021, 3:09pm UTC](https://discuss.elastic.co/t/math-computation-in-tsvb/292704/1 "2021-12-22T15:09:06Z")

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Hi ES team,

Attached is the screenshot of the computation done using TSVB via filter ratio and TinyMath.  
The desired output I'm looking at is to filter Total Blanks \> 2 and display only the ID's corresponding to the same.

Appreciate your input's,

 ![TSVB](https://us1.discourse-cdn.com/elastic/original/3X/c/b/cb96637698de8690d322d32426612e1f9ab37798.jpeg)

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<div class="post-metadata">

**Author:** ![AquaX](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/aquax/32/92006_2.png) [@AquaX](https://discuss.elastic.co/u/AquaX)\
**Post date:** [December 22, 2021, 8:00pm UTC](https://discuss.elastic.co/t/math-computation-in-tsvb/292704/2 "2021-12-22T20:00:29Z")

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Is Total Blanks a calculated field?  
If that's the case you may want to look into create a Transformation for your data first and calculating Total Blanks there and then you can filter on that field within your visualization.

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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:** [January 19, 2022, 8:01pm UTC](https://discuss.elastic.co/t/math-computation-in-tsvb/292704/3 "2022-01-19T20:01:23Z")

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