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https://issues.apache.org/jira/browse/SPARK-2082?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng resolved SPARK-2082.
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Resolution: Fixed
Fix Version/s: 1.1.0
Issue resolved by pull request 1025
[https://github.com/apache/spark/pull/1025]
> Stratified sampling implementation in PairRDDFunctions
> ------------------------------------------------------
>
> Key: SPARK-2082
> URL: https://issues.apache.org/jira/browse/SPARK-2082
> Project: Spark
> Issue Type: New Feature
> Components: MLlib
> Reporter: Doris Xin
> Assignee: Doris Xin
> Fix For: 1.1.0
>
>
> Implementation of stratified sampling that guarantees exact sample size =
> sum(math.ceil(S_i*sampingRate)) where S_i is the size of each stratum.
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