Sun Rui created SPARK-12337:
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Summary: 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
distinct() and unique() drop duplicated rows on all columns. While
dropDuplicates() can drop duplicated rows on selected columns.
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