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https://issues.apache.org/jira/browse/SPARK-23042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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DB Tsai resolved SPARK-23042.
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Resolution: Fixed
Fix Version/s: 2.4.0
Issue resolved by pull request 20232
[https://github.com/apache/spark/pull/20232]
> Use OneHotEncoderModel to encode labels in MultilayerPerceptronClassifier
> -------------------------------------------------------------------------
>
> Key: SPARK-23042
> URL: https://issues.apache.org/jira/browse/SPARK-23042
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 2.3.0
> Reporter: Liang-Chi Hsieh
> Priority: Major
> Fix For: 2.4.0
>
>
> In MultilayerPerceptronClassifier, we use RDD operation to encode labels for
> now. I think we should use ML's OneHotEncoderEstimator/Model to do the
> encoding.
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