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R-square: The coefficient of determination 1.1

  Date Added: July 24, 2013  |  Visits: 253

R-square: The coefficient of determination

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r2 = rsquare(y,f) RSQUARE computes the coefficient of determination (R-square) value from actual data Y and model data F. INPUTS Y : Actual data F : Model fit OUTPUT R2 : Coefficient of determination EXAMPLE x = 0:0.1:10; y = 2.*x + 1 + randn(size(x)); p = polyfit(x,y,1); f = polyval(p,x); r2 = rsquare(y,f); figure; plot(x,y,'b-'); hold on; plot(x,f,'r-'); Jered R Wells 11/17/11 jered [dot] wells [at] duke [dot] edu

Requirements: No special requirements
Platforms: Matlab
Keyword: Figure Jered Plotxfr Plotxyb Polyfitxy Polyvalpx Randnsizex Wells
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