Standard Article

Model Evaluation and Performance

Hydrological Processes

  1. B. Beck

Published Online: 15 SEP 2006

DOI: 10.1002/9780470057339.vam028

Encyclopedia of Environmetrics

Encyclopedia of Environmetrics

How to Cite

Beck, B. 2006. Model Evaluation and Performance. Encyclopedia of Environmetrics. 3.

Author Information

  1. University of Georgia, GA, USA

Publication History

  1. Published Online: 15 SEP 2006


Whether the behavior of a model matches the behavior of the (real) system–sufficiently well–has always been a matter of great interest. In lay terms, these are the essential questions one would like to have answered in seeking to evaluate a model: (i) has the model been constructed of approved materials, i.e. approved constituent hypotheses (in scientific terms)? (ii) does its behavior approximate well that observed in respect of the real thing? (iii) does it work, i.e. does it fulfill its designated task, or serve its intended purpose?