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

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-22001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16165706#comment-16165706 ] 

Apache Spark commented on SPARK-22001:
--------------------------------------

User 'viirya' has created a pull request for this issue:
https://github.com/apache/spark/pull/19229

> 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
>
> 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.



--
This message was sent by Atlassian JIRA
(v6.4.14#64029)

---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscribe@spark.apache.org
For additional commands, e-mail: issues-help@spark.apache.org