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Posted to issues@spark.apache.org by "Sean R. Owen (Jira)" <ji...@apache.org> on 2020/01/04 16:26:00 UTC

[jira] [Resolved] (SPARK-30398) PCA/RegressionMetrics/RowMatrix avoid unnecessary computation

     [ https://issues.apache.org/jira/browse/SPARK-30398?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sean R. Owen resolved SPARK-30398.
----------------------------------
    Fix Version/s: 3.0.0
       Resolution: Fixed

Issue resolved by pull request 27059
[https://github.com/apache/spark/pull/27059]

> PCA/RegressionMetrics/RowMatrix avoid unnecessary computation
> -------------------------------------------------------------
>
>                 Key: SPARK-30398
>                 URL: https://issues.apache.org/jira/browse/SPARK-30398
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML, MLlib
>    Affects Versions: 3.0.0
>            Reporter: zhengruifeng
>            Assignee: zhengruifeng
>            Priority: Major
>             Fix For: 3.0.0
>
>
> use Summarizer instead of MultivariateOnlineSummarizer to avoid computation of unused metrics



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