[R] calculate AUC for ROC curve

Guoyan Zhao gzhao1 at ural.wustl.edu
Tue Sep 19 17:17:18 CEST 2006

Dear everyone,

I have only tpr (true positive rate) and fpr (false positive rate) which 
were used to plot the ROC curve. Is there any way I can calculate the AUC 
for this curve using just this information? Any help is highly 


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