Last data update: 2014.03.03

R: Hottelling's T square
Hott2R Documentation

Hottelling's T square

Description

To compute Hotelling's T square statistic for multivariate analysis of variance using Shrinkage covariance matrix estimates.

Usage

Hott2(x, y, var.equal = TRUE)

Arguments

x

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

y

Vector defining two-group of the samples.

var.equal

Logical.

Value

Hotelling's T square statistic is calculated.

Note

R > 2.13.2

Author(s)

Chen-An Tsai, James J. Chen, Ching-Wei Chang, and Chih-Yi Chien

References

Chen,J.J. et al. (2007) Significance analysis of group of genes in expression profiling studies, Bioinformatics, 23, 2104.

Tsai,C.A. et al. (2009) Multivariate analysis of variance test for gene set analysis. Bioinformatics, 25, 897.

Results