HandTill2001-package {HandTill2001}

Multiple Class Area under ROC Curve

Description

A very lean package implementing merely M given by Hand and Till (2001), Eq. (7).

Details

M given by Hand and Till (2001) defines a multiple class version of the area under curve of the receiver operating characteristic.

References

David J. Hand and Robert J. Till (2001). A Simple Generalisation of the Area Under the ROC Curve for Multiple Class Classification Problems. Machine Learning 45(2), p. 171–186. DOI: 10.1023/A:1010920819831.

See Also

help(package="HandTill2001"), especially ?HandTill2001::auc; various packages that calculate binary class AUC (ROCR) or multiple class AUC (pROC, caTools).

Examples

library(HandTill2001)
data(ht01.multipleclass)
auc(
  multcap(
    response = ht01.multipleclass$observed,
    predicted = as.matrix(ht01.multipleclass[, levels(ht01.multipleclass$observed)])
  )
)