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From "Luc Maisonobe (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (MATH-219) removeData methods for SimpleRegression
Date Tue, 19 Aug 2008 11:21:44 GMT

     [ https://issues.apache.org/jira/browse/MATH-219?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luc Maisonobe resolved MATH-219.
--------------------------------

    Resolution: Fixed

fixed in subversion repository (in branch 2.0) as of r687021
thanks for the patch and the tests

> removeData methods for SimpleRegression
> ---------------------------------------
>
>                 Key: MATH-219
>                 URL: https://issues.apache.org/jira/browse/MATH-219
>             Project: Commons Math
>          Issue Type: New Feature
>    Affects Versions: 1.2
>            Reporter: Andrew Berry
>            Priority: Trivial
>         Attachments: SimpleRegression_removeData.patch, SimpleRegressionTest_removeData.patch
>
>
> I've implemented removeData methods for the org.apache.commons.math.stat.regression.SimpleRegression
class. They mirror the existing addData methods. My reason for adding them is to support regression
calculations across a sliding window of (time-based) observations without having to recalculate
for the entire window every time.
> I'll attach patch files for the class and its junit test class. I'm not too concerned
if these are added to the commons math library (I have made a copy in my own class hierarchy)
but thought other might find this useful. 

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