[jira] [Closed] (MATH-426) Normalization (Standardization)

["Luc Maisonobe (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MATH-426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luc Maisonobe closed MATH-426.
------------------------------


Closing issue as it was included in version 2.2, which has been released

> Normalization (Standardization)
> -------------------------------
>
>                 Key: MATH-426
>                 URL: https://issues.apache.org/jira/browse/MATH-426
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: Nightly Builds
>         Environment: Java
>            Reporter: Erik van Ingen
>             Fix For: Nightly Builds
>
>         Attachments: StatUtilsDiff.java, StatUtilsTestDiff.java
>
>   Original Estimate: 1h
>  Remaining Estimate: 1h
>
> Commons Math is missing a function to normalize a sample of values to sample with a mean of 0 and a standard variation of 0. 
> This Issue is related to this email thread:
> http://www.mail-archive.com/user@commons.apache.org/msg05396.html
> I am preparing a patch which contains an implementation plus test. The method normalize is added to the StatsUtil class. I will try to add this patch to this issue. 

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