ofrendo
6/2/2017 - 8:39 AM

Calculate and plot Area under Curve (AUC) of Receiver Operating Characteristic (ROC) with ggplot / normal plot.

Calculate and plot Area under Curve (AUC) of Receiver Operating Characteristic (ROC) with ggplot / normal plot.

plotROC.r
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roc <- AUC::roc(scores, factor(labels))
aucVal <- round(auc(roc), 4)
AUC:::plot.AUC(roc)

rocData <- data.table(fpr=roc$fpr, tpr=roc$tpr)
ggplot(rocData, aes(x=fpr, y=tpr)) +
    geom_line()