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https://issues.apache.org/jira/browse/BEAM-12550?focusedWorklogId=676171&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-676171
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ASF GitHub Bot logged work on BEAM-12550:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/Nov/21 02:28
Start Date: 04/Nov/21 02:28
Worklog Time Spent: 10m
Work Description: svetakvsundhar closed pull request #15892:
URL: https://github.com/apache/beam/pull/15892
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Issue Time Tracking
-------------------
Worklog Id: (was: 676171)
Time Spent: 5h (was: 4h 50m)
> Implement parallelizable skew and kurtosis
> -------------------------------------------
>
> Key: BEAM-12550
> URL: https://issues.apache.org/jira/browse/BEAM-12550
> Project: Beam
> Issue Type: Improvement
> Components: dsl-dataframe
> Reporter: Brian Hulette
> Assignee: Svetak Vihaan Sundhar
> Priority: P3
> Time Spent: 5h
> Remaining Estimate: 0h
>
> skew and kurtosis should be parallelizable/lifftable by using a similar
> [approach as std and
> var|https://github.com/apache/beam/blob/a0f5e932d8a9aa491b16361abdc629b5e9a483f6/sdks/python/apache_beam/dataframe/frames.py#L1307-L1310].
> See
> https://en.wikipedia.org/wiki/Algorithms_for_calculating_variance#Higher-order_statistics
> which has information on extending that approach to calculating the third and
> fourth central moments, needed for skew and kurtosis.
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