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Re: Scilab is now GPL v2 compatible - as the site claims
From: |
Marc Normandin |
Subject: |
Re: Scilab is now GPL v2 compatible - as the site claims |
Date: |
Sun, 21 Sep 2008 03:19:24 -0400 |
User-agent: |
Thunderbird 2.0.0.16 (X11/20080724) |
Sergei Steshenko wrote:
> Anyway, frep2tf has a subtle, though not serious, flaw.
>
> IIRC, it uses sum of abs deviations rather than sum of squares of abs
> deviations as its error metric. I mean, strictly saying, it's not least
> squares approximation as it claims.
>From your description, it sounds like the the method is reasonable,
though perhaps not what people would expect; thus, it's the
documentation that's incorrect. They've simply chosen a "robust"
estimator in favor of the the minimum mean square approach, which one
can argue is sensitive to noise.
Regards,
Marc
--
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Marc D. Normandin http://web.ics.purdue.edu/~mdnorman
Graduate Research Assistant address@hidden
Indiana University School of Medicine 317-278-9841 (tel)
Department of Radiology, Division of Research 317-274-1067 (fax)
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- Scilab is now GPL v2 compatible - as the site claims, Sergei Steshenko, 2008/09/18
- Re: Scilab is now GPL v2 compatible - as the site claims, bharat pathak, 2008/09/21
- Re: Scilab is now GPL v2 compatible - as the site claims, Sergei Steshenko, 2008/09/21
- Re: Scilab is now GPL v2 compatible - as the site claims, Francesco Potorti`, 2008/09/21
- Re: Scilab is now GPL v2 compatible - as the site claims, Søren Hauberg, 2008/09/21
Re: Scilab is now GPL v2 compatible - as the site claims, David Bateman, 2008/09/21