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https://issues.apache.org/jira/browse/SPARK-9000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiangrui Meng updated SPARK-9000:
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Description: In SPARK-6487, we only support Int type. It requires users to
encode other types into integer to use PrefixSpan. We should be able to do this
inside PrefixSpan, similar to FPGrowth. This should be done before 1.5 since it
changes APIs. (was: In SPARK-6487, we only support Int type. It requires users
to encode other types into integer to use PrefixSpan. We should be able to do
this inside PrefixSpan, similar to FPGrowth.)
> Support generic item type in PrefixSpan
> ---------------------------------------
>
> Key: SPARK-9000
> URL: https://issues.apache.org/jira/browse/SPARK-9000
> Project: Spark
> Issue Type: Improvement
> Components: MLlib
> Affects Versions: 1.5.0
> Reporter: Xiangrui Meng
> Priority: Critical
>
> In SPARK-6487, we only support Int type. It requires users to encode other
> types into integer to use PrefixSpan. We should be able to do this inside
> PrefixSpan, similar to FPGrowth. This should be done before 1.5 since it
> changes APIs.
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