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https://issues.apache.org/jira/browse/ARROW-13501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-13501:
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    Labels: query-engine  (was: )

> [R] Bindings for count aggregation
> ----------------------------------
>
>                 Key: ARROW-13501
>                 URL: https://issues.apache.org/jira/browse/ARROW-13501
>             Project: Apache Arrow
>          Issue Type: New Feature
>          Components: R
>            Reporter: Neal Richardson
>            Priority: Major
>              Labels: query-engine
>             Fix For: 6.0.0
>
>
> Not sure about the API on this because from what I understand from [~bkietz], 
> every aggregation function takes a single field ref, but group_by then count 
> doesn't require a field because you're counting how many rows are in each 
> group. (Perhaps more importantly, dplyr::n() takes no arguments, so we don't 
> have a field ref in our expression to start.)



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