[jira] [Commented] (ARROW-17779) [R] Add "first" and "last" functions from xts library

["N Gautam Animesh (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-17779?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17607172#comment-17607172 ] 

N Gautam Animesh commented on ARROW-17779:
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I'm trying to use head/tail as an aggregator in Summarise function of dplyr but it's throwing an error like this - {color:#de350b}Warning: Error : Expression head(Z22, 1) is not an aggregate expression or is not supported in Arrow; pulling data into R{color}

> [R] Add "first" and "last" functions from xts library
> -----------------------------------------------------
>
>                 Key: ARROW-17779
>                 URL: https://issues.apache.org/jira/browse/ARROW-17779
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: N Gautam Animesh
>            Priority: Major
>
> Functions like "first" and "last" from the XTS library aren't yet implemented in arrow. Please look into this and do the needful.



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