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https://issues.apache.org/jira/browse/SPARK-33466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17233472#comment-17233472
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Apache Spark commented on SPARK-33466:
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User 'zhengruifeng' has created a pull request for this issue:
https://github.com/apache/spark/pull/30397
> Imputer support mode(most_frequent) strategy
> --------------------------------------------
>
> Key: SPARK-33466
> URL: https://issues.apache.org/jira/browse/SPARK-33466
> Project: Spark
> Issue Type: New Feature
> Components: ML
> Affects Versions: 3.1.0
> Reporter: zhengruifeng
> Priority: Minor
>
> [sklearn.impute.SimpleImputer|https://scikit-learn.org/stable/modules/generated/sklearn.impute.SimpleImputer.html#sklearn.impute.SimpleImputer]
> supports *most_frequent(mode)*, which replace missing using the most
> frequent value along each column.
> It should be easy to implement it in MLlib.
>
>
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