Wilksn: Wilk's Lambda for n-group multiple comparisons

Description Usage Arguments Value Note Author(s) References

Description

To compute Wilk's Lambda statistic for multivariate analysis of variance and multiple comparisons.

Usage

1
Wilksn(Y, class, type = c("Tukey", "Dunnett", "Sequence"), base = 1)

Arguments

Y

Data matrix; row is sample; each column is variable(gene).

class

Vector defining the clinical outcome of the samples.

type

Type of contrast

base

An integer to denote which group is considered the baseline group for Dunnett contrasts.

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.



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