[jira] [Created] (SPARK-2782) Spearman correlation computes wrong ranks when numPartitions > RDD size

[Doris Xin (JIRA)]

Doris Xin created SPARK-2782:
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             Summary: Spearman correlation computes wrong ranks when 
numPartitions > RDD size
                 Key: SPARK-2782
                 URL: https://issues.apache.org/jira/browse/SPARK-2782
             Project: Spark
          Issue Type: Bug
            Reporter: Doris Xin


The getRanks logic inside of SpearmanCorrelation returns the wrong ranks when 
numPartitions > size for the input RDDs.



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