Last data update: 2014.03.03
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R: Wilk's Lambda for n-group multiple comparisons
Wilk's Lambda for n-group multiple comparisons
Description
To compute Wilk's Lambda statistic for multivariate analysis of variance and multiple comparisons.
Usage
Wilksn(Y, class, type = c("Tukey", "Dunnett", "Sequence"), base = 1)
Arguments
Y |
Data matrix; row is sample; each column is variable(gene).
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class |
Vector defining the clinical outcome of the samples.
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type |
Type of contrast
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base |
An integer to denote which group is considered the baseline group for Dunnett contrasts.
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Value
Wilk's Lambdas for MANOVA and multiple comparisons are returned.
Note
R > 2.13.2
Author(s)
Chen-An Tsai, James J. Chen, Ching-Wei Chang, and Chih-Yi Chien
References
Frank Bretz, Torsten Hothorn and Peter Westfall (2010), Multiple Comparison Using R, CRC Press, Boca Raton
Tsai,C.A. et al. (2009) Multivariate analysis of variance test for gene set analysis. Bioinformatics, 25, 897.
Results
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