GitHub user yanboliang opened a pull request:
https://github.com/apache/spark/pull/11267
[SPARK-13389] [SparkR] SparkR support first/last with ignore NAs
## What changes were proposed in this pull request?
SparkR support first/last with ignore NAs
cc @sun-rui @felixcheung @shivaram
## How was the this patch tested?
unit tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/yanboliang/spark spark-13389
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11267.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #11267
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commit a30bd4a34699dcec6aff3437080fd02583482a93
Author: Yanbo Liang <[email protected]>
Date: 2016-02-19T09:02:45Z
SparkR support first/last with ignore NAs
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