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https://issues.apache.org/jira/browse/SPARK-27787?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-27787:
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Fix Version/s: (was: 3.1.0)
3.0.0
> Eliminate uncessary job to compute SSreg
> ----------------------------------------
>
> Key: SPARK-27787
> URL: https://issues.apache.org/jira/browse/SPARK-27787
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.0.0
> Reporter: zhengruifeng
> Assignee: zhengruifeng
> Priority: Minor
> Fix For: 3.0.0
>
>
> in {{RegressionMetrics}}, a job is needed to compute SSreg
> However, we only need to agg summary of column prediction, then SSreg can be
> computed directly based on the summary.
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