Skip to main content

Area Under Curve

  • Reference work entry
  • 299 Accesses

Synonyms

AUC

Definition

The area under curve (AUC) statistic is an empiricalmeasure of classification performance based on the area under an ROCcurve. It evaluates the performance of a scoring classifier on atest set, but ignores the magnitude of the scores and only takestheir rank order into account. AUC is expressed on a scale of 0 to1, where 0 means that all negatives are ranked before all positives,and 1 means that all positives are ranked before all negatives. See ROC Analysis.

This is a preview of subscription content, log in via an institution.

Editor information

Editors and Affiliations

Rights and permissions

Reprints and permissions

Copyright information

© 2011 Springer Science+Business Media, LLC

About this entry

Cite this entry

(2011). Area Under Curve. In: Sammut, C., Webb, G.I. (eds) Encyclopedia of Machine Learning. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-30164-8_28

Download citation

Publish with us

Policies and ethics