variation_array: Variation array is returned.

In coda.base: A Basic Set of Functions for Compositional Data Analysis

Variation array is returned.

Description

Variation array is returned.

Usage

variation_array(X, include_means = FALSE, ml_covariance = FALSE)

Arguments

X	Compositional dataset
include_means	if TRUE logratio means are included in the lower-left triangle
ml_covariance	if TRUE Maximum-likelihood estimation of the covariance for the multivariate normal distribution is used (dividing the scatter matrix by n instead of n-1)

Value

variation array matrix

Examples

set.seed(1)
X = matrix(exp(rnorm(5*100)), nrow=100, ncol=5)
variation_array(X)
variation_array(X, include_means = TRUE)

coda.base documentation built on March 4, 2026, 9:06 a.m.