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https://issues.apache.org/jira/browse/ARROW-13520?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Li resolved ARROW-13520.
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Fix Version/s: 6.0.0
Resolution: Fixed
Issue resolved by pull request 10860
[https://github.com/apache/arrow/pull/10860]
> [C++] Implement hash_aggregate approximate quantile kernel
> ----------------------------------------------------------
>
> Key: ARROW-13520
> URL: https://issues.apache.org/jira/browse/ARROW-13520
> Project: Apache Arrow
> Issue Type: Improvement
> Components: C++
> Reporter: Ian Cook
> Assignee: David Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 6.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Implement a hash aggregate approximate quantile kernel. We have a scalar
> aggregate version of this (named {{tdigest}}) using t-digest.
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