Encyclopedia of Machine Learning

2010 Edition
| Editors: Claude Sammut, Geoffrey I. Webb

Cost

Reference work entry
DOI: https://doi.org/10.1007/978-0-387-30164-8_178

In  Markov decision processes, negative rewards are often expressed as costs. A reward of − x is expressed as a cost of x. In  supervised learning, cost is used as a synonym for  loss.

Cross References

 Loss

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© Springer Science+Business Media, LLC 2011