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Exact likelihood ratio test of independence of binary responses within clusters. (English) Zbl 1110.62322

Summary: We consider the exact likelihood ratio test of independence of binary responses within clusters developed by E.O. George and R.L. Kodell [J. Am. Stat. Assoc., 91, No. 436, 1602–1610 (1996; Zbl 0883.62117)] conditional on the sufficient statistics for the nuisance parameter under the null hypothesis. Only an exchangeability of responses within clusters is assumed for the distribution of the observed vector. Two formulas for the exact P-values are obtained. An algorithm is proposed to avoid unnecessary enumeration when the cluster size is two. We compare the exact and asymptotic P-values in several cases.

MSC:

62G10 Nonparametric hypothesis testing
62B05 Sufficient statistics and fields
65C60 Computational problems in statistics (MSC2010)

Citations:

Zbl 0883.62117
Full Text: DOI

References:

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