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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2016/08/11 23:26:22 UTC
[jira] [Assigned] (SPARK-17027) PolynomialExpansion.choose is prone
to integer overflow
[ https://issues.apache.org/jira/browse/SPARK-17027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-17027:
------------------------------------
Assignee: Apache Spark
> PolynomialExpansion.choose is prone to integer overflow
> --------------------------------------------------------
>
> Key: SPARK-17027
> URL: https://issues.apache.org/jira/browse/SPARK-17027
> Project: Spark
> Issue Type: Bug
> Components: ML
> Affects Versions: 1.6.0, 2.0.0
> Reporter: Maciej Szymkiewicz
> Assignee: Apache Spark
> Priority: Minor
>
> Current implementation computes power of k directly and because of that it is susceptible to integer overflow on relatively small input (4 features, degree equal 10). It would be better to use recursive formula instead.
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