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Posted to issues@commons.apache.org by "Richard Wilkinson (JIRA)" <ji...@apache.org> on 2016/06/28 11:02:57 UTC

[jira] [Updated] (MATH-1379) LoessInterpolator can update bandwidth interval incorrectly

     [ https://issues.apache.org/jira/browse/MATH-1379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Richard Wilkinson updated MATH-1379:
------------------------------------
    Attachment: MATH-1379-loess-interval-update.patch

> LoessInterpolator can update bandwidth interval incorrectly
> -----------------------------------------------------------
>
>                 Key: MATH-1379
>                 URL: https://issues.apache.org/jira/browse/MATH-1379
>             Project: Commons Math
>          Issue Type: Bug
>    Affects Versions: 3.6.1
>            Reporter: Richard Wilkinson
>         Attachments: MATH-1379-loess-interval-update.patch
>
>
> LoessInterpolator.updateBandwidthInterval assumes that the bandwidth interval cannot step by more than one index value for each call. This may not be true if the xvals are unevenly spaced (or are so after points with zero weight are omitted).
> Patch available with additional tests.



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