Generalized Cochran Mantel Haenszel test for multilevel correlated categorical data: an algorithm and R function
نویسندگان
چکیده
منابع مشابه
Generalized Cochran-Mantel-Haenszel Test Statistics for Correlated Categorical Data
S Three new test statistics are introduced for correlated categorical data in strati ed R C tables. They are similar in form to the standard generalized Cochran-Mantel-Haenszel statistics but modi ed to handle correlated outcomes. Two of these statistics are asymptotically valid in both many-strata (sparse data) and large-strata limiting models. The third one is designed speci cally for the man...
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This paper proposes two new Mantel-Haenszel test statistics for correlated binary data in 2 x 2 tables that are asymptotically valid in both sparse data (many strata) and large-strata limiting models. Monte Carlo experiments show that the statistics compare favorably to previously proposed test statistics, especially for 5-25 small to moderate-sized strata. Confidence intervals are also obtaine...
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Observational studies, including the case-control design frequently used in epidemiology, are subject to a number of biases and possible confounding factors. Failure to adjust with them may lead to an erroneous conclusion about the existence of a causal relationship between exposure and disease. The Cochran-Mantel-Haenszel (CMH) test is widely used to measure the strength of the association bet...
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ژورنال
عنوان ژورنال: Journal of the National Science Foundation of Sri Lanka
سال: 2012
ISSN: 2362-0161,1391-4588
DOI: 10.4038/jnsfsr.v40i2.4441