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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (MAHOUT-550) Add RandomVector and RandomMatrix
Date Mon, 04 Apr 2011 07:33:05 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-550?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen resolved MAHOUT-550.
------------------------------

       Resolution: Won't Fix
    Fix Version/s:     (was: 0.5)
         Assignee: Sean Owen

OK, there aren't 12 values and they aren't uniform, so that's not the intent. (With 0.5 added
to the result) the output has mean 0.5, is truncated to [0,1], and has standard deviation
1/6.

I tend to agree... probably needs some more massaging and such. As in all things this can
and should be reopened with updates. Marking its current status in current form as wont-fix.

> Add RandomVector and RandomMatrix
> ---------------------------------
>
>                 Key: MAHOUT-550
>                 URL: https://issues.apache.org/jira/browse/MAHOUT-550
>             Project: Mahout
>          Issue Type: New Feature
>          Components: Math
>            Reporter: Lance Norskog
>            Assignee: Sean Owen
>         Attachments: MAHOUT-550.patch, RandomMatrix.patch
>
>
> Add Vector and Matrix implementations that generate a unique and reproducible random
number for each index.

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