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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/10/18 09:06:00 UTC

[jira] [Assigned] (SPARK-13030) Change OneHotEncoder to Estimator

     [ https://issues.apache.org/jira/browse/SPARK-13030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-13030:
------------------------------------

    Assignee: Apache Spark

> Change OneHotEncoder to Estimator
> ---------------------------------
>
>                 Key: SPARK-13030
>                 URL: https://issues.apache.org/jira/browse/SPARK-13030
>             Project: Spark
>          Issue Type: Improvement
>          Components: ML
>    Affects Versions: 1.6.0
>            Reporter: Wojciech Jurczyk
>            Assignee: Apache Spark
>
> OneHotEncoder should be an Estimator, just like in scikit-learn (http://scikit-learn.org/stable/modules/generated/sklearn.preprocessing.OneHotEncoder.html).
> In its current form, it is impossible to use when number of categories is different between training dataset and test dataset.



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