center {coda.base} | R Documentation |
Dataset center
Description
Generic function to calculate the center of a compositional dataset
Usage
center(X, zero.rm = FALSE, na.rm = FALSE)
Arguments
X |
compositional dataset |
zero.rm |
a logical value indicating whether zero values should be stripped before the computation proceeds. |
na.rm |
a logical value indicating whether NA values should be stripped before the computation proceeds. |
Examples
X = matrix(exp(rnorm(5*100)), nrow=100, ncol=5)
g = rep(c('a','b','c','d'), 25)
center(X)
(by_g <- by(X, g, center))
center(t(simplify2array(by_g)))
[Package coda.base version 0.5.5 Index]