Reynold Xin created SPARK-7324:
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Summary: Add DataFrame.dropDuplicates
Key: SPARK-7324
URL: https://issues.apache.org/jira/browse/SPARK-7324
Project: Spark
Issue Type: Sub-task
Components: SQL
Reporter: Reynold Xin
Similar to
http://pandas.pydata.org/pandas-docs/stable/generated/pandas.DataFrame.drop_duplicates.html
We can turn this into groupBy(cols).agg(first(...))
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