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Topic: Negative R^2 value
Replies: 2   Last Post: Nov 23, 2009 10:48 PM

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Will Smith

Posts: 1
Registered: 10/12/07
Negative R^2 value
Posted: Oct 12, 2007 2:25 PM
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Dear all,

I have a software named Microcal Origin. Today, I used its function Non-Linear Curver Fitting and got a result of negative R^2 value. If I understand well, R^2 (coefficient of determination) should be between 0 and 1. Could any one tell me what is this negative R^2 value indeed?
Many thanks,

TAD.



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