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https://issues.apache.org/jira/browse/SPARK-1241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14148549#comment-14148549
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Xiangrui Meng commented on SPARK-1241:
--------------------------------------
This is implemented MLlib:
https://github.com/apache/spark/blob/master/mllib/src/main/scala/org/apache/spark/mllib/rdd/SlidingRDD.scala
. You can check the discussion about where to put it here:
https://github.com/apache/spark/pull/136 .
> Support sliding in RDD
> ----------------------
>
> Key: SPARK-1241
> URL: https://issues.apache.org/jira/browse/SPARK-1241
> Project: Spark
> Issue Type: New Feature
> Components: Spark Core
> Reporter: Xiangrui Meng
> Assignee: Xiangrui Meng
> Fix For: 1.0.0
>
>
> Sliding is useful for operations like creating n-grams, calculating total
> variation, numerical integration, etc.
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