On methods of handling ties in the wilcoxon signed-rank test

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Formulas are given for asymptotic efficiency of the Wilcoxon signed-rank test under several alternative ways of handling ties. Two methods of handling ties at zero, one suggested by Wilcoxon and the other by Pratt, are compared on the basis of their asymptotic efficiencies. Each method is shown to be better than the other in some situations. Two examples consider the discrete uniform distribution and the binomial distribution.

Original languageEnglish
Pages (from-to)985-988
Number of pages4
JournalJournal of the American Statistical Association
Issue number344
StatePublished - Dec 1973


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