Vladimir Feinberg created SPARK-16237:
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Summary: PySpark gapply
Key: SPARK-16237
URL: https://issues.apache.org/jira/browse/SPARK-16237
Project: Spark
Issue Type: New Feature
Components: PySpark, SQL
Reporter: Vladimir Feinberg
To maintain feature parity, `gapply` functionality should be added to
`pyspark`'s `GroupedData` with an interface.
The implementation already exists because it fulfilled a need in another
package:
https://github.com/vlad17/spark-sklearn/blob/master/python/spark_sklearn/group_apply.py
It needs to be migrated (to become a GroupedData method, the first argument now
to be called self).
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