On the Correlation of a Group of Rankings with an External Ordering Relative to the Internal Concordance

摘要

A method is presented for comparing the strength of agreement of a group of rankings with an external ordering to the corresponding measure of concordance within the group. While the procedure is not model dependent, we illustrate the characteristics of interest using an existing model for a non-null distribution for a population of rankings. U-statistics and a jackknife with adjusted degrees of freedom are employed to set approximate confidence intervals on the contrast between the two measures of rank order agreement. (Author)