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Posted to issues@spark.apache.org by "Xiangrui Meng (JIRA)" <ji...@apache.org> on 2015/07/11 06:23:04 UTC

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

Xiangrui Meng created SPARK-9000:
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             Summary: 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.



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