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Conference on Applied Statistics in Agriculture

2001

Agreement Measures

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Comparing Binomial Bootstrap And Bayesian Estimation Methods In Assessing The Agreement Between Classified Images And Ground Truth Data., Bahman Shafii, William J. Price Apr 2001

Comparing Binomial Bootstrap And Bayesian Estimation Methods In Assessing The Agreement Between Classified Images And Ground Truth Data., Bahman Shafii, William J. Price

Conference on Applied Statistics in Agriculture

The degree of agreement between classification and ground truth in remotely sensed data is often quantified with an error matrix and summarized using agreement measures such as Cohen's kappa. In the case of ground truth however, the kappa statistic can be shown to be a transformation of the marginal proportions commonly referred to as omissional and commissional error rates. A more meaningful statistical interpretation of remote sensing results and less ambiguous conclusions can be obtained via direct utilization of these measures. Several estimation techniques have been suggested for these marginal proportions. In this study, we will develop the exact binomial, …