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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2022/06/18 11:13:00 UTC
[jira] [Commented] (SPARK-31492) flatten the result dataframe of FValueTest
[ https://issues.apache.org/jira/browse/SPARK-31492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17555899#comment-17555899 ]
Apache Spark commented on SPARK-31492:
--------------------------------------
User 'zhengruifeng' has created a pull request for this issue:
https://github.com/apache/spark/pull/28268
> flatten the result dataframe of FValueTest
> ------------------------------------------
>
> Key: SPARK-31492
> URL: https://issues.apache.org/jira/browse/SPARK-31492
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 3.1.0
> Reporter: zhengruifeng
> Assignee: zhengruifeng
> Priority: Minor
> Fix For: 3.1.0
>
>
> add a new method
> {code:java}
> @Since("3.1.0")
> def test(
> dataset: DataFrame,
> featuresCol: String,
> labelCol: String,
> flatten: Boolean): DataFrame {code}
>
> Similar to new {{test}} method in {{ChiSquareTest}}, it will:
> 1, support df operation on the returned df;
> 2, make driver no longer a bottleneck when dim is high
>
>
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