A four action problem with ordered categorical data: are two distributions the same, ordered, or otherwise?
Consider a 2xJ contingency table under the product multinomial model when the J categories are ordered. We compare the two distributions by deciding among the following four choices: (i) distributions are the same; (ii) distribution 1 is stochastically larger than distribution 2; (iii) distribution 2 is stochastically larger than distribution 1; (iv) neither (i), (ii), or (iii). A four action problem is posed and two procedures are considered. One ad hoc and the second procedure is a conditional Bayes procedure, where the conditioning is on the marginal row and column totals. The problem was motivated by a data set comparing survey methods dealing with economic damage to farms by deer.
Year of publication: |
2004
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Authors: | Cohen, A. ; Kolassa, J. ; Sackrowitz, H.B. |
Published in: |
Statistics & Probability Letters. - Elsevier, ISSN 0167-7152. - Vol. 70.2004, 3, p. 223-234
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Publisher: |
Elsevier |
Keywords: | Contingency table Stochastic ordering Fisher's statistic Wilcoxon-Mann-Whitney statistic Chi-square statistic Bayes procedure Concordance monotonicity |
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