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https://issues.apache.org/jira/browse/SPARK-7248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14522234#comment-14522234
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Apache Spark commented on SPARK-7248:
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User 'brkyvz' has created a pull request for this issue:
https://github.com/apache/spark/pull/5819
> Random number generators for DataFrames
> ---------------------------------------
>
> Key: SPARK-7248
> URL: https://issues.apache.org/jira/browse/SPARK-7248
> Project: Spark
> Issue Type: New Feature
> Components: SQL
> Reporter: Xiangrui Meng
> Assignee: Burak Yavuz
>
> This is an umbrella JIRA for random number generators for DataFrames. The
> initial set of RNGs would be `rand` and `randn`, which takes a seed.
> {code}
> df.select("*", rand(11L).as("rand"))
> {code}
> Where those methods should live is TBD.
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