showing correlation on scatter

2011 4 19
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I want to show the R-squared value on the scatterplot. I am using corrcoef function to get the correlation value. I wonder how I can show the correlation or R-squared value on the scatterplot? I appereciate your help.
R=corrcoef(X,Y) R_squared=R(2)^2 scatter(X,Y)

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Arnaud Miege
Arnaud Miege 2011-4-19

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Use the text function:
text(x_text, y_text, ['R^2 = ' num2str(R_squared)])
where x_text and y_text are coordinates of where you want to place the text.
HTH,
Arnaud

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