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https://issues.apache.org/jira/browse/SPARK-10602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14790713#comment-14790713
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Seth Hendrickson commented on SPARK-10602:
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Right now I have working versions of single pass algos for skewness and
kurtosis. I'm still writing tests and need to work on performance profiling,
but I just wanted to make sure we don't duplicate any work. I'll post back with
more details soon.
> Univariate statistics as UDAFs: single-pass continuous stats
> ------------------------------------------------------------
>
> Key: SPARK-10602
> URL: https://issues.apache.org/jira/browse/SPARK-10602
> Project: Spark
> Issue Type: Sub-task
> Components: ML, SQL
> Reporter: Joseph K. Bradley
>
> See parent JIRA for more details. This subtask covers statistics for
> continuous values requiring a single pass over the data, such as min and max.
> This JIRA is an umbrella. For individual stats, please create and link a new
> JIRA.
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