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https://issues.apache.org/jira/browse/SPARK-12337?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-12337:
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Assignee: Apache Spark
> Implement dropDuplicates() method of DataFrame in SparkR
> --------------------------------------------------------
>
> Key: SPARK-12337
> URL: https://issues.apache.org/jira/browse/SPARK-12337
> Project: Spark
> Issue Type: New Feature
> Components: SparkR
> Affects Versions: 1.5.2
> Reporter: Sun Rui
> Assignee: Apache Spark
>
> distinct() and unique() drop duplicated rows on all columns. While
> dropDuplicates() can drop duplicated rows on selected columns.
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