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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/12/24 05:40:49 UTC

[jira] [Assigned] (SPARK-12375) VectorIndexer: allow unknown categories

     [ https://issues.apache.org/jira/browse/SPARK-12375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-12375:
------------------------------------

    Assignee: Apache Spark

> VectorIndexer: allow unknown categories
> ---------------------------------------
>
>                 Key: SPARK-12375
>                 URL: https://issues.apache.org/jira/browse/SPARK-12375
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML
>            Reporter: Joseph K. Bradley
>            Assignee: Apache Spark
>
> Add option for allowing unknown categories, probably via a parameter like "allowUnknownCategories."
> If true, then handle unknown categories during transform by assigning them to an extra category index.
> The API should resemble the API used for StringIndexer.



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