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  1. Spark
  2. SPARK-9000

Support generic item type in PrefixSpan

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Details

    • Improvement
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • 1.5.0
    • 1.5.0
    • MLlib
    • None

    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.

      Attachments

        Issue Links

          blocks

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-9527 PrefixSpan.run should return a PrefixSpanModel instead of an RDD and it should be Java-friendly

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          is blocked by

          Improvement - An improvement or enhancement to an existing feature or task. SPARK-8999 Support non-temporal sequence in PrefixSpan

          • Critical - Crashes, loss of data, severe memory leak.
          • Resolved
          links to

          Pull request #7400 [Github] Pull Request #7400 (rikima)

          Pull request #7837 [Github] Pull Request #7837 (feynmanliang)

          Activity

            People

              fliang Feynman Liang
              mengxr Xiangrui Meng
              Xiangrui Meng Xiangrui Meng
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              Dates

                Created:
                Updated:
                Resolved: