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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/04/28 03:23:06 UTC

[jira] [Updated] (SPARK-5893) Add Bucketizer

     [ https://issues.apache.org/jira/browse/SPARK-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joseph K. Bradley updated SPARK-5893:
-------------------------------------
    Assignee: Joseph K. Bradley

> Add Bucketizer
> --------------
>
>                 Key: SPARK-5893
>                 URL: https://issues.apache.org/jira/browse/SPARK-5893
>             Project: Spark
>          Issue Type: Sub-task
>          Components: ML
>            Reporter: Xiangrui Meng
>            Assignee: Joseph K. Bradley
>
> `Bucketizer` maps a column of continuous features to a column of feature buckets, where the buckets are specified by users.
> {code}
> val bucketizer = new Bucketizer()
>   .setInputCol("age")
>   .setBuckets(Array(10, 20, 30, 40, 50))
>   .setOutputCol("ageBuckets")
> {code}
> The output feature names should be automatically generated. We need to discuss the behavior if a value falls out the specified bucket range.



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