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https://issues.apache.org/jira/browse/ARROW-17533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17585027#comment-17585027
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Jonathan Keane commented on ARROW-17533:
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A bit more prior art | folks asking for:
https://stackoverflow.com/questions/58538114/is-there-an-r-equivalent-of-pythons-pandas-merge-asof
> [R] Implement asof join
> -----------------------
>
> Key: ARROW-17533
> URL: https://issues.apache.org/jira/browse/ARROW-17533
> Project: Apache Arrow
> Issue Type: New Feature
> Components: R
> Reporter: Jonathan Keane
> Priority: Major
>
> With ARROW-16083 we have asof joins, could we expose this in R?
> Docs for the node:
> https://arrow.apache.org/docs/cpp/api/compute.html?highlight=asof#_CPPv4N5arrow7compute19AsofJoinNodeOptionsE
> A possible syntax might be (there does not appear to be a syntax in dplyr for
> this already):
> {code}
> asof_join(table1, table2, by = "field", tolerance = 1)
> {code}
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