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has gloss | eng: The Cochran-Armitage test for trend is typically used in categorical data analysis when some categories are ordered. It is used to test for association in a 2 × k contingency table. For example, doses of a treatment can be ordered as low, medium, and high. In some cases, the usual chi-square test may not be able to detect a trend, but the Cochran-Armitage test may be able to do so because a test statistic is chosen to reflect the anticipated trend. |
lexicalization | eng: Cochran-Armitage test for trend |
instance of | c/Categorical data |
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