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Posted to jira@arrow.apache.org by "Jonathan Keane (Jira)" <ji...@apache.org> on 2021/12/16 17:51:00 UTC

[jira] [Updated] (ARROW-13767) [R] Add Arrow methods slice(), slice_head(), slice_tail()

     [ https://issues.apache.org/jira/browse/ARROW-13767?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Keane updated ARROW-13767:
-----------------------------------
    Fix Version/s: 8.0.0
                       (was: 7.0.0)

> [R] Add Arrow methods slice(), slice_head(), slice_tail()
> ---------------------------------------------------------
>
>                 Key: ARROW-13767
>                 URL: https://issues.apache.org/jira/browse/ARROW-13767
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: R
>            Reporter: Ian Cook
>            Priority: Major
>              Labels: query-engine
>             Fix For: 8.0.0
>
>
> Implement [{{slice()}}, {{slice_head()}}, and {{slice_tail()}}|https://dplyr.tidyverse.org/reference/slice.html] methods for {{ArrowTabular}}, {{Dataset}}, and {{arrow_dplyr_query}} objects . I believe this should be relatively straightforward, using {{Take()}} to return only the specified rows. We already have a {{head()}} method which I believe we can reuse for {{slice_head()}}.



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