Does the ROC curve have a partial AUC?
This function determines if the ROC curve has a partial AUC.
has.partial.auc(roc) ## S3 method for class 'auc' has.partial.auc(roc) ## S3 method for class 'smooth.roc' has.partial.auc(roc) ## S3 method for class 'roc' has.partial.auc(roc)
roc |
the ROC curve to check. |
TRUE if the AUC is a partial AUC, FALSE otherwise.
If the AUC is not defined (i. e. if roc was called with AUC=FALSE), returns NULL.
data(aSAH) # Full AUC roc1 <- roc(aSAH$outcome, aSAH$s100b) has.partial.auc(roc1) has.partial.auc(auc(roc1)) has.partial.auc(smooth(roc1)) # Partial AUC roc2 <- roc(aSAH$outcome, aSAH$s100b, partial.auc = c(1, 0.9)) has.partial.auc(roc2) has.partial.auc(smooth(roc2)) # No AUC roc3 <- roc(aSAH$outcome, aSAH$s100b, auc = FALSE) has.partial.auc(roc3)
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