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https://issues.apache.org/jira/browse/SPARK-12531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15072196#comment-15072196
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Sean Owen commented on SPARK-12531:
-----------------------------------
Those are non-trivial to compute exactly; unlike moments, they can't be
computed from a couple summary statistics. I am not sure this can be added to
the generic object, no. Is it valuable enough for an additional implementation?
> Add median and mode to Summary statistics
> -----------------------------------------
>
> Key: SPARK-12531
> URL: https://issues.apache.org/jira/browse/SPARK-12531
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.5.2
> Reporter: Gaurav Kumar
> Priority: Minor
>
> Summary statistics should also include calculating median and mode in
> addition to mean, variance and others.
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