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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2015/06/03 01:19:49 UTC

[jira] [Created] (MAHOUT-1721) rowSumsMap summary for non-int-keyed DRMs

Dmitriy Lyubimov created MAHOUT-1721:
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             Summary: rowSumsMap summary for non-int-keyed DRMs
                 Key: MAHOUT-1721
                 URL: https://issues.apache.org/jira/browse/MAHOUT-1721
             Project: Mahout
          Issue Type: Improvement
            Reporter: Dmitriy Lyubimov
            Assignee: Dmitriy Lyubimov
             Fix For: 0.10.2


we have rowSums() that are enabled only if matrix is int-keyed (DrmLike[Int]), because non-int keys cannot be mapped to ordinal positions. 

however, this api still can exist -- except the output should really be Map[K,Double].



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