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Posted to dev@mahout.apache.org by "Dmitriy Lyubimov (JIRA)" <ji...@apache.org> on 2015/06/08 22:59:00 UTC

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

     [ https://issues.apache.org/jira/browse/MAHOUT-1721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dmitriy Lyubimov updated MAHOUT-1721:
-------------------------------------
    Status: Patch Available  (was: Open)

> 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].
> PR https://github.com/apache/mahout/pull/135



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