Xiangrui Meng created SPARK-10936:
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Summary: UDAF "mode" for categorical variables
Key: SPARK-10936
URL: https://issues.apache.org/jira/browse/SPARK-10936
Project: Spark
Issue Type: Sub-task
Reporter: Xiangrui Meng
This is similar to frequent items except that we don't have a threshold on the
frequency. So an exact implementation might require a global shuffle.
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