Summary
The union-intersection principle developed by S. N. Roy [13] has become an important tool in multivariate analysis. In this paper the union-intersection principle is applied to obtain some of the standard tests of hypothesis on categorical data, as well as a new test for homogeneity in anr×c table. In particular, tests of hypothesis on a single multinomial distribution and tests for the comparison of two multinomials are derived on the union-intersection principle and the corresponding simultaneous confidence intervals obtained. A test for homogeneity in anr×c table is derived on the union-intersection principle, and for the case of equal sample size from each of ther populations it is shown that the test statistic is distributed as the largest root of a central Wishart matrix.
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Anderson, D.A., McDonald, L.L. & Weaver, K.D. Tests on categorical data from the unionintersection principle. Ann Inst Stat Math 26, 203–213 (1974). https://doi.org/10.1007/BF02479816
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DOI: https://doi.org/10.1007/BF02479816