Synonyms
Definition
Precision is defined as a ratio of true positives (TP) and the total number of positives predicted by a model. This is defined with reference to a special case of the confusion matrix, with two classes; one designated the positive class, and the other the negative class, as indicated in Table 1.
Author information
Authors and Affiliations
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2011 Springer Science+Business Media, LLC
About this entry
Cite this entry
Ting, K.M. (2011). Precision. In: Sammut, C., Webb, G.I. (eds) Encyclopedia of Machine Learning. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-30164-8_651
Download citation
DOI: https://doi.org/10.1007/978-0-387-30164-8_651
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-30768-8
Online ISBN: 978-0-387-30164-8
eBook Packages: Computer ScienceReference Module Computer Science and Engineering