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Posted to issues@spark.apache.org by "Hyukjin Kwon (JIRA)" <ji...@apache.org> on 2017/09/21 11:18:00 UTC

[jira] [Resolved] (SPARK-21777) Simpler Dataset.sample API

     [ https://issues.apache.org/jira/browse/SPARK-21777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hyukjin Kwon resolved SPARK-21777.
----------------------------------
    Resolution: Done

> Simpler Dataset.sample API
> --------------------------
>
>                 Key: SPARK-21777
>                 URL: https://issues.apache.org/jira/browse/SPARK-21777
>             Project: Spark
>          Issue Type: New Feature
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Reynold Xin
>            Assignee: Reynold Xin
>
> Dataset.sample requires a boolean flag withReplacement as the first argument. However, most of the time users simply want to sample some records without replacement. This ticket introduces a new sample function that simply takes in the fraction and seed.



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