Power comparison of Rao′s score test, the Wald test and the likelihood ratio test in (2xc) contingency tables

There are several statistics for testing hypotheses concerning the independence of the distributions represented by two rows in contingency tables. The most famous are Rao′s score, the Wald and the likelihood ratio tests. A comparison of the power of these tests indicates the Wald test as the most p...

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Bibliographic Details
Published in:Biometrical letters 2015-12, Vol.52 (2), p.95-104
Main Authors: Dobek, Anita, Moliński, Krzysztof, Skotarczak, Ewa
Format: Article
Language:English
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Summary:There are several statistics for testing hypotheses concerning the independence of the distributions represented by two rows in contingency tables. The most famous are Rao′s score, the Wald and the likelihood ratio tests. A comparison of the power of these tests indicates the Wald test as the most powerful.
ISSN:1896-3811
2199-577X
DOI:10.1515/bile-2015-0009