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https://issues.apache.org/jira/browse/MAHOUT-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14014438#comment-14014438
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ASF GitHub Bot commented on MAHOUT-1566:
----------------------------------------

Github user dlyubimov commented on the pull request:

    https://github.com/apache/mahout/pull/6#issuecomment-44713857
  
    A slight nuisance here is that A' cannot be checkpointed. This is because 
the keys of A, in the most general case, are not `Int`s.



> Regular ALS factorizer with convergence test.
> ---------------------------------------------
>
>                 Key: MAHOUT-1566
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-1566
>             Project: Mahout
>          Issue Type: Task
>    Affects Versions: 0.9
>            Reporter: Dmitriy Lyubimov
>            Assignee: Dmitriy Lyubimov
>            Priority: Trivial
>             Fix For: 1.0
>
>
> ALS-related: let's start with unweighed, unregularized implementation.



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