[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.5351/CKSS.2008.15.3.403

The Size of the Cochran-Armitage Trend Test in 2 X C Contingency Tables: Two Multinomial Distribution Case

Kang, Seung-Ho (Ewha Womans University)
Ahn, Sun-Young (Ewha Womans University)

Publication Information

Communications for Statistical Applications and Methods / v.15, no.3, 2008 , pp. 403-409 More about this Journal

Abstract

In this paper we show that the peak of the type I error rate of the Oochran-Armitage trend test could be greater than the nominal level when $2\;{\times}\;C$ contingency tables obtained from two multinomial distributions are extremely unbalanced. This result justifies the use of the exact Cochran-Armitage trend test in extremely unbalanced $2\;{\times}\;C$ contingency tables.

Keywords

Imbalance; type I error; exact test;

Citations & Related Records

Reference

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