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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/05/07 15:11:00 UTC
[jira] [Assigned] (SPARK-5893) Add Bucketizer
[ https://issues.apache.org/jira/browse/SPARK-5893?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-5893:
-----------------------------------
Assignee: Apache Spark (was: 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: Apache Spark
>
> `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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