The role of regression performance on multimodel analysis

© 2013, National Ground Water Association.

Bibliographische Detailangaben
Veröffentlicht in:Ground water. - 1998. - 53(2015), 1 vom: 27. Jan., Seite 130-9
1. Verfasser: Foglia, L (VerfasserIn)
Weitere Verfasser: Mehl, S W
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Ground water
Schlagworte:Journal Article
Beschreibung
Zusammenfassung:© 2013, National Ground Water Association.
In this work, we provide suggestions for designing experiments where calibration of many models is required and guidance for identifying problematic calibrations. Calibration of many conceptual models which have different representations of the physical processes in the system, as is done in cross-validation studies or multi-model analysis, often uses computationally frugal inversion techniques to achieve tractable execution times. However, because these frugal methods are usually local methods, and the inverse problem is almost always nonlinear, there is no guarantee that the optimal solution will be found. Furthermore, evaluation of each inverse model's performance to identify poor calibrations can be tedious. Results of this study show that if poorly calibrated models are included in the analysis, simulated predictions and measures of prediction uncertainty can be affected in unexpected ways. Guidelines are provided to help identify problematic regressions and correct them
Beschreibung:Date Completed 07.10.2015
Date Revised 06.01.2015
published: Print-Electronic
Citation Status MEDLINE
ISSN:1745-6584
DOI:10.1111/gwat.12144