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https://issues.apache.org/jira/browse/ARROW-4787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney updated ARROW-4787:
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Fix Version/s: (was: 0.14.0)
0.15.0
> [C++] Include "null" values (perhaps with an option to toggle on/off) in hash
> kernel actions
> --------------------------------------------------------------------------------------------
>
> Key: ARROW-4787
> URL: https://issues.apache.org/jira/browse/ARROW-4787
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Wes McKinney
> Priority: Major
> Fix For: 0.15.0
>
>
> Null is a meaningful value in the context of analytics. We should have the
> option of considering it distinctly in e.g. {{ValueCounts}}
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