Github user asfgit closed the pull request at:
https://github.com/apache/spark/pull/17828
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GitHub user felixcheung opened a pull request:
https://github.com/apache/spark/pull/17828
[SPARK-20490][SPARKR][DOC] add family tag for not function
## What changes were proposed in this pull request?
doc only
## How was this patch tested?
manual
You can
