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Posted to issues@spark.apache.org by "Xiao Li (JIRA)" <ji...@apache.org> on 2017/10/01 17:51:03 UTC

[jira] [Resolved] (SPARK-22001) ImputerModel can do withColumn for all input columns at one pass

     [ https://issues.apache.org/jira/browse/SPARK-22001?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiao Li resolved SPARK-22001.
-----------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0

> ImputerModel can do withColumn for all input columns at one pass
> ----------------------------------------------------------------
>
>                 Key: SPARK-22001
>                 URL: https://issues.apache.org/jira/browse/SPARK-22001
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 2.2.0
>            Reporter: Liang-Chi Hsieh
>            Assignee: Liang-Chi Hsieh
>             Fix For: 2.3.0
>
>
> SPARK-21690 makes one-pass {{Imputer}} by parallelizing the computation of all input columns. When we transform dataset with {{ImputerModel}}, we do {{withColumn}} on all input columns sequentially. We can also do this on all input columns at once.



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