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showing correlation on scatter

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Hassan on 19 Apr 2011
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)

Accepted Answer

Arnaud Miege
Arnaud Miege on 19 Apr 2011
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.
  1 Comment
Hassan on 19 Apr 2011
thanks Arnaud, it's working.

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