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Posted to dev@mahout.apache.org by "Pat Ferrel (JIRA)" <ji...@apache.org> on 2016/08/21 01:01:20 UTC

[jira] [Created] (MAHOUT-1878) implement quartile type thresholds for indicator matrix downsampling

Pat Ferrel created MAHOUT-1878:
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             Summary: implement quartile type thresholds for indicator matrix downsampling
                 Key: MAHOUT-1878
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1878
             Project: Mahout
          Issue Type: New Feature
          Components: Collaborative Filtering, cooccurrence
            Reporter: Pat Ferrel
            Assignee: Pat Ferrel
             Fix For: 1.0.0


https://issues.apache.org/jira/browse/MAHOUT-1853

second half of the above, see discussion of downsampling by fraction of matrix retained, perhaps using t-digest.



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