Metric Methods for Analyzing Partially Ranked Data

A full ranking of n items is simply an ordering of all these items, of the form: first choice, second choice, •. . , n-th choice. If two judges each rank the same n items, statisticians have used various metrics to measure the closeness of the two rankings, including Ken­ dall''s tau, Spearman''s rho, Spearman''s footrule, Ulam''s metric, Hal1l11ing distance, and Cayley distance. These metrics hav...