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Statistics for the Evaluation and Comparison of Models
Willmott, Cort J. Ackleson, Steven G. Davis, Robert E. Feddema, Johannes J. Klink, Katherine M. Legates, David R. O'Donnell, James Rowe, Clinton M.
Willmott, Cort J.
Ackleson, Steven G.
Davis, Robert E.
Feddema, Johannes J.
Klink, Katherine M.
Legates, David R.
O'Donnell, James
Rowe, Clinton M.
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Abstract
Procedures that may be used to evaluate the operational performance of a wide spectrum of geophysical
models are introduced. Primarily using a complementary set of difference measures, both model
accuracy and precision can be meaningfully estimated, regardless of whether the model predictions are
manifesteda s scalars,d irections,o r vectors.I t is additionally suggestedth at the reliability of the accuracy
and precision measures can be determined from bootstrap estimates of confidence and significance.
Recommendedp roceduresa re illustrated with a comparativee valuation of two models that estimate
wind velocity over the South Atlantic Bight.
Description
Copyright 1985 by the American Geophysical Union.
Date
1985-09
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American Geophysical Union
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Citation
Willmott, C.J., S.G. Ackleson, R.E. Davis, J.J. Feddema, K.M. Klink, D.R. Legates, J. O'Donnell and C.M. Rowe (1985): Statistics for the Evaluation and Comparison of Models. Journal of Geophysical Research. 90(C5): 8995‑9005.