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  1. Mahout
  2. MAHOUT-212

Need random sampler for use in reducers

    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.2
    • Fix Version/s: 0.3
    • Component/s: Integration
    • Labels:
      None

      Description

      For a variety of mining algorithms, it helps to have a uniform way to only process a sub-set of the records in a reducer.

      As such, I have written a simple generic sampler that filters an Iterator returning a fair sample of at most a specified size.

        Attachments

        1. MAHOUT-212.patch
          9 kB
          Ted Dunning
        2. MAHOUT-212-b.patch
          18 kB
          Ted Dunning
        3. MAHOUT-212-C.patch
          28 kB
          Sean Owen

          Activity

            People

            • Assignee:
              srowen Sean Owen
              Reporter:
              tdunning Ted Dunning
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              Dates

              • Created:
                Updated:
                Resolved: