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Posted to issues@spark.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/10/09 07:41:00 UTC

[jira] [Updated] (SPARK-37178) Add Target Encoding to ml.feature

     [ https://issues.apache.org/jira/browse/SPARK-37178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SPARK-37178:
-----------------------------------
    Labels: pull-request-available  (was: )

> Add Target Encoding to ml.feature
> ---------------------------------
>
>                 Key: SPARK-37178
>                 URL: https://issues.apache.org/jira/browse/SPARK-37178
>             Project: Spark
>          Issue Type: New Feature
>          Components: ML
>    Affects Versions: 3.2.0
>            Reporter: Simon Tao
>            Priority: Major
>              Labels: pull-request-available
>
> Target Encoding is a mechanism of converting categorical features to continues features based on the posterior probability __ calculated from values of the label (target) column.
>  
> Target Encoding can help to improve accuracy of machine learning algorithms when columns with high cardinality are used as features during training phase.



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