Common Contracts
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Inter-Rater Agreement under Stratified Random Sampling SchemeAugust 6th, 2020
Kappa coefficient is a popular statistic to measure the agreement between the classifications of two raters. The estimation of the coefficient and its variance are approximately satisfied by a simple random sampling method. To get more efficient results for confidence interval estimation of kappa, stratified random sampling method can also be used, alternatively. In this study, a bootstrap method under stratified sampling is suggested to use to estimate the confidence interval of the kappa coefficient. The results are discussed over three data sets.
