# Average of Serial Diff in kibana

**URL:** <https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026>\
**Category:** Kibana\
**Created:** [January 29, 2020, 3:15pm UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026 "2020-01-29T15:15:35Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![Angelos](https://avatars.discourse-cdn.com/v4/letter/a/4bbf92/32.png) [@Angelos](https://discuss.elastic.co/u/Angelos)\
**Post date:** [January 29, 2020, 3:15pm UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026/1 "2020-01-29T15:15:35Z")

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Hello,

Is there any way to show the average of Serial Diff in Kibana?  
I am trying to create a line graph using Serial Diff in Y axis but then I want to add another Y axis with average of Serial Diff. In kibana line graph there is no option for that. Is it possible?

Thank you very much in advance!

Kind regards,  
Angelos

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**Author:** ![Bargs](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/bargs/32/5429_2.png) [@Bargs](https://discuss.elastic.co/u/Bargs)\
**Post date:** [January 29, 2020, 8:53pm UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026/2 "2020-01-29T20:53:14Z")

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You can create a moving average of a serial diff.

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/8/4/8408d9cb30c2d56c6675963ed611b0770ca59311.png)

But if you're looking for a single number like you'd get from the Average Bucket Sibling pipeline agg, it seems we don't allow parent pipeline aggs the metric in those. I'm not sure why that's the case, since I think it should work in Elasticsearch. If that's the feature you'd like to see, I would recommend opening a feature request on our [Github repo](https://github.com/elastic/kibana/issues/new?template=Feature_request.md).

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**Author:** ![Angelos](https://avatars.discourse-cdn.com/v4/letter/a/4bbf92/32.png) [@Angelos](https://discuss.elastic.co/u/Angelos)\
**Post date:** [January 31, 2020, 10:09am UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026/3 "2020-01-31T10:09:50Z")

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Hi Matt.

It seems that it may work for me. If not I will open a feature request.

Thank you very much for the fast response!

/Angelos

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**Author:** ![Angelos](https://avatars.discourse-cdn.com/v4/letter/a/4bbf92/32.png) [@Angelos](https://discuss.elastic.co/u/Angelos)\
**Post date:** [February 7, 2020, 3:01pm UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026/4 "2020-02-07T15:01:55Z")

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I opened a feature request [here](https://github.com/elastic/kibana/issues/57106).

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [March 6, 2020, 3:06pm UTC](https://discuss.elastic.co/t/average-of-serial-diff-in-kibana/217026/5 "2020-03-06T15:06:20Z")

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