How to use perfcurve with libsvm in matlab?

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Vikas Ramachandra

look at this, pretty straightforward:

http://stackoverflow.com/questions/23696609/what-are-the-matlab-perfcurve-roc-curve-parameters

you will need to call predict() in libsvm and have the true labels and predicted scores from the classifier (before the thresholding) , you can then call the perfcurve

Muhammad Junaid Ali

i dont understand what posclass is in prefcurve arguments