Cuzick's test for trend
Perform the Cuzick's test on trend.
This function provides a Wilcoxon-type test for trend across a group of three or more independent random samples. Assumptions:
Data must be at least ordinal
Groups must be selected in a meaningful order i.e. ordered If you do not choose to enter your own group scores then scores are allocated uniformly (1 ... n) in order of selection of the n groups. The null hypothesis of no trend across the groups T will have mean E(T), variance var(T) and the null hypothesis is tested using the normalised test statistic z. A logistic distribution is assumed for errors. Please note that this test is more powerful than the application of the Wilcoxon rank-sum / Mann-Whitney test between more than two groups of data. Cuzick J. A Wilcoxon-Type Test for Trend. Statistics in Medicine 1985;4:87-89.
Created by Giuseppe Cardillo
giuseppe.cardillo-edta@poste.it
To cite this file, this would be an appropriate format: Cardillo G. (2008) Cuzick's test: A Wilcoxon-Type Test for Trend http://www.mathworks.com/matlabcentral/fileexchange/22059
Citation pour cette source
Giuseppe Cardillo (2024). Cuzick's test for trend (https://github.com/dnafinder/cuzick), GitHub. Récupéré le .
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Version | Publié le | Notes de version | |
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2.0.0.0 | inputparser; table implementation; github link |
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1.4.0.0 | Changes in description |
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1.3.0.0 | Statistics Toolbox is required |
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1.2.0.0 | logical indexinf improved |
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1.1.0.0 | Changes ih help section |
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1.0.0.0 |