WebOr copy & paste this link into an email or IM: WebCochran–Armitage test is appropriate for testing of trend in contingency table 2 x k, k>2. E.g. testing that percentage at categories 'low', 'medium', and 'high' of one variables is increasing ...
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WebThe Cochran-Armitage test allows to test if a series of proportions, can be considered as varying linearly with an ordinal or continuous score variable. If X is the score variable, the statistic that is computed to test for the linearity is given by: z = [Ʃ i=1..r n r1 (X i - X)] / √ p +1 (1– p +1) s². with s²=Ʃ i=1..r n i+ (X i - X)². WebOn Thu, 28 Jul 2005, Eric Lecoutre wrote: > Hi there, > > I often do receive some mails about this piece of code regarding > Cochran-Armitage or Mantel Chi square ... small fiberglass above ground swimming pools
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WebJun 9, 2016 · The Cochran-Armitage trend test is a standard procedure in genetic association studies. It is a directed test with high power to detect genetic effects that follow the gene-dosage model. In this ... WebPerform a Cochran Armitage test for trend in binomial proportions across the levels of a single variable. This test is appropriate only when one variable has two levels and the other variable is ordinal. The two-level variable represents the response, and the other represents an explanatory variable with ordered levels. The null hypothesis is the hypothesis of no … WebTitle Multinomial Cochran-Armitage Trend Test Version 1.1 Date 2024-08-07 Author Aniko Szabo Depends R(>= 2.10) Imports bitops, multcomp Maintainer Aniko Szabo Description Implements a generalization of the Cochran-Armitage trend test to multinomial data. In addition to an overall test, multiple testing adjusted songs and fingerplays for toddlers