Goodman and Kruskal's TAU-B Statistic

Abstract
Goodman and Kruskal's Tb statistic is frequently employed by sociologists to measure association among categorical polytomies. The test of the null hypothesis Tb = 0 is presently limited to an asymptotic approximation that fails to adjust for unbalanced marginals, yielding inaccurate probability values. This article details a nonasymptotic test of significance that adjusts for unbalanced marginals.

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