contr.tuk {spANOVA}

Tukey's contrast matrix

Description

Compute Tukey's contrast matrix

Usage

contr.tuk(x)

Arguments

x

a vector of means.

Details

Computes the matrix of contrasts for comparisons of mean levels.

Value

The matrix of contrasts with treatments in row names is returned

Examples

x <- c(10, 5, 8, 4, 12, 18)
contr.tuk(x)