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Posted to issues@spark.apache.org by "Joseph K. Bradley (JIRA)" <ji...@apache.org> on 2015/05/13 02:38:59 UTC
[jira] [Reopened] (SPARK-7559) Bucketizer should include the right
most boundary in the last bucket.
[ https://issues.apache.org/jira/browse/SPARK-7559?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Joseph K. Bradley reopened SPARK-7559:
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> Bucketizer should include the right most boundary in the last bucket.
> ---------------------------------------------------------------------
>
> Key: SPARK-7559
> URL: https://issues.apache.org/jira/browse/SPARK-7559
> Project: Spark
> Issue Type: Improvement
> Components: ML
> Affects Versions: 1.4.0
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Priority: Minor
> Fix For: 1.4.0
>
>
> Now we use special treatment for +inf. This could be simplified by including the largest split value in the last bucket. E.g., (x1, x2, x3) defines buckets [x1, x2) and [x2, x3]. This shouldn't affect user code much, and there are applications that need to include the right-most value. For example, we can bucketize ratings from 0 to 10 to bad, neutral, and good with splits 0, 4, 6, 10.
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