how to get ROC for SVM

Message: 1
Date: Mon, 20 Feb 2006 17:19:41 +0530
From: "karthi keyan" <gkkarthikeyann at gmail.com>
Subject: [R] how to get ROC for SVM
To: r-help at stat.math.ethz.ch
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<8e3e33900602200349h31d7132aqdd94a907acc5d859 at mail.gmail.com>
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Hi
How can i get ROC for svm during modelling in SVM. how to plot the
values

thanks

karthik