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On Assessing Inter-observer Agreement Independent of Variables' Measuring Units
엄용환 한국데이터정보과학회 2006 한국데이터정보과학회지 Vol.17 No.2
Investigators use either Euclidean distance or volume of a simplex defined composed of data points as agreement index to measure chance-corrected agreement among observers for multivariate interval data. The agreement coefficient proposed by Um(2004) is based on a volume of a simplex and does not depend on the variables' measuring units. We consider a comparison of Um(2004)'s agreement coefficient with others based on two unit-free distance measures, Pearson distance and Mahalanobis distance. Comparison among them is made using hypothetical data set.
On Assessing Inter-observer Agreement Independent of Variables' Measuring Units
Um, Yong-Hwan Korean Data and Information Science Society 2006 한국데이터정보과학회지 Vol.17 No.2
Investigators use either Euclidean distance or volume of a simplex defined composed of data points as agreement index to measure chance-corrected agreement among observers for multivariate interval data. The agreement coefficient proposed by Um(2004) is based on a volume of a simplex and does not depend on the variables' measuring units. We consider a comparison of Um(2004)'s agreement coefficient with others based on two unit-free distance measures, Pearson distance and Mahalanobis distance. Comparison among them is made using hypothetical data set.