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Posted to issues@spark.apache.org by "Masaki Rikitoku (JIRA)" <ji...@apache.org> on 2015/08/01 14:34:04 UTC

[jira] [Commented] (SPARK-9000) Support generic item type in PrefixSpan

    [ https://issues.apache.org/jira/browse/SPARK-9000?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650301#comment-14650301 ] 

Masaki Rikitoku commented on SPARK-9000:
----------------------------------------

Hi Xiangrui Meng 

Thanks for your comments.

I agree with you and feynmanliang because my modification for this ticket is very tiny. 

If I notice something about feynmanliang's pr I will inform you. 

> 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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