[R] use of ROCR package (ROC curve / AUC value) in a specific case versus integral calculation

Hello, I would like to use the ROCR package to draw ROC curves and compute AUC values. However, in the specific context of my application, the true positive rates and false positive rates are already provided by some upstream method. Of course, I can draw a ROC plot with the following

Re: [R] use of ROCR package (ROC curve / AUC value) in a specific case versus integral calculation

Christine SINOQUET wrote: Hello, I would like to use the ROCR package to draw ROC curves and compute AUC values. However, in the specific context of my application, the true positive rates and false positive rates are already provided by some upstream method. Of course, I can draw a ROC plot