[jira] [Assigned] (ARROW-13772) [R] Binding for median() and quantile() aggregation functions

["Ian Cook (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-13772?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ian Cook reassigned ARROW-13772:
--------------------------------

    Assignee: Ian Cook  (was: Nicola Crane)

> [R] Binding for median() and quantile() aggregation functions
> -------------------------------------------------------------
>
>                 Key: ARROW-13772
>                 URL: https://issues.apache.org/jira/browse/ARROW-13772
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Nicola Crane
>            Assignee: Ian Cook
>            Priority: Critical
>              Labels: kernel, pull-request-available
>             Fix For: 6.0.0
>
>          Time Spent: 3.5h
>  Remaining Estimate: 0h
>
> Another aggregate function we’ll need to look at is median().
> That should in theory map to the existing quantile kernel and the hopefully-coming-soon hash_quantile kernel with  q = 0.5, but that will not work right now for several reasons (see https://issues.apache.org/jira/browse/ARROW-13309).
> However we also have a pair of
>  approximate quantile kernels: tdigest and hash_tdigest that we could map median() to.



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