[jira] Resolved: (MATH-512) "GaussianFitter" could inherit from "CurveFitter"

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

     [ https://issues.apache.org/jira/browse/MATH-512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gilles resolved MATH-512.
-------------------------

    Resolution: Fixed

Changes committed in revision 1072056.
Thanks for the patch, Ole.


> "GaussianFitter" could inherit from "CurveFitter"
> -------------------------------------------------
>
>                 Key: MATH-512
>                 URL: https://issues.apache.org/jira/browse/MATH-512
>             Project: Commons Math
>          Issue Type: Improvement
>            Reporter: Gilles
>            Priority: Minor
>             Fix For: 3.0
>
>         Attachments: GaussianFitter.patch, GaussianFitter.patch, GaussianFitter.patch, GaussianFitterTest.patch, ParametricGaussianFunctionTest.patch
>
>
> Currently, the "GaussianFitter" class contains a "CurveFitter" instance (and delegates most method calls to it) for the sake of being able to return a "GaussianFunction" instance (from the call to the "fit" method).
> I think that it would clearer (in the context of the "fitting" package) that "fit" returns an array of doubles (as "CurveFitter" does). The user can then easily create a "Gaussian" function object, if needed.
> [Also, note that the "GaussianFitter" actually fits the sum of a constant and a Gaussian function; thus the name is slightly misleading IMO.]
> I also think that "ParametricGaussianFunction" and "GaussianParametersGuesser" should become inner classes of "GaussianFitter" (as this makes it clear what their use is).

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