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Topic: How to extract R^2 from polyval or polyfit
Replies: 3   Last Post: Nov 19, 2009 9:20 AM

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Posts: 19
Registered: 9/24/09
Re: How to extract R^2 from polyval or polyfit
Posted: Nov 18, 2009 11:22 AM
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maxwell10 <maxwellphy@hotmail.com> wrote in message <1744264934.85318.1258550228655.JavaMail.root@gallium.mathforum.org>...
> Hi All,
> I did linear fit to graph and got S which include matrix R 2x2. How to calculate R^2 from it?
> Thanks

can you give your code ? and try to be explicit with details..


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