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How to plot a ROC curve?

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Olga
Olga 2015-3-3
关闭： MATLAB Answer Bot 2021-8-20
Hello,
I would appreciate a lot any help for understanding how can i compute required parameters for plotting ROC curve? Particularly, i found that it could be done by perfcurve function but i dont understand how to derive required inputs (labels, scores and posclass) from my input matrix.
Thank you in advance for any help
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Adam
Adam 2015-3-3
Have you worked through the example on the help page?

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