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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Published in:Biometrical letters 2015-12, Vol.52 (2), p.95-104
Main Authors: Dobek, Anita, Moliński, Krzysztof, Skotarczak, Ewa
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container_title Biometrical letters
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creator Dobek, Anita
Moliński, Krzysztof
Skotarczak, Ewa
description 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.
doi_str_mv 10.1515/bile-2015-0009
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title Power comparison of Rao′s score test, the Wald test and the likelihood ratio test in (2xc) contingency tables
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