4.5 | 2 ratings Rate this file 155 downloads (last 30 days) File Size: 1.44 KB File ID: #13872

rsquare

06 Feb 2007 (Updated 06 Feb 2007)

No BSD License

calculate rsquare from data y and estimate yhat

File Information
Description	Simple function to calculate the r square of a dataset y (vector or matrix form) and the corresponding estimates yhat calculated using a regression. Uses r2 = 1 - SSe/SSt Input can contain NaNs.
MATLAB release	MATLAB 7.3 (R2006b)

Tags for This File
Everyone's Tags	approximation, estimate, goodness of fit, interpolation, r2, regression, rsquare(2)
Tags I've Applied
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Comments and Ratings (3)
21 Feb 2007	baldo giovane
17 Jul 2008	Daithi O'hEachach	Does the job.
05 Nov 2009	Petteri T	sum( (y-yhat).^2) could be replaced with (y-what)' * (y-what) for speedup as suggested there: http://www.mathworks.nl/matlabcentral/newsreader/view_thread/168821

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Updates
06 Feb 2007	Better deletion of NaNs

Tag Activity for this File
Tag	Applied By	Date/Time
approximation	Felix Hebeler	22 Oct 2008 08:59:51
interpolation	Felix Hebeler	22 Oct 2008 08:59:51
rsquare	Felix Hebeler	22 Oct 2008 08:59:51
r2	Felix Hebeler	22 Oct 2008 08:59:51
goodness of fit	Felix Hebeler	22 Oct 2008 08:59:51
regression	Felix Hebeler	22 Oct 2008 08:59:51
estimate	Felix Hebeler	22 Oct 2008 08:59:51
rsquare	Yulia Ptitsyna	03 Nov 2009 18:57:40

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