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From "Sean Owen (JIRA)" <>
Subject [jira] [Commented] (MAHOUT-635) RMS variant of RunningAverage classes
Date Fri, 25 Mar 2011 09:12:13 GMT


Sean Owen commented on MAHOUT-635:

This isn't implementing RMS though. It's computing the average of a series, and then taking
the square root. If that series you're feeding are the squared differences of estimates and
actual values, then yes you've got RMS. But then this class adds nothing but a call to Math.sqrt().
I think we're back to where we left that thread, yes.

Are you intending this for commit or just as food for thought?

> RMS variant of RunningAverage classes
> -------------------------------------
>                 Key: MAHOUT-635
>                 URL:
>             Project: Mahout
>          Issue Type: Improvement
>          Components: Math
>    Affects Versions: 0.5
>            Reporter: Lance Norskog
>            Priority: Minor
>         Attachments:,,
> Added as classes because I don't know if this is interesting.

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