ade4 (version 1.7-19)

dist.dudi: Computation of the Distance Matrix from a Statistical Triplet

Description

computes for a statistical triplet a distance matrix.

Usage

dist.dudi(dudi, amongrow = TRUE)

Value

an object of class dist

Arguments

dudi

a duality diagram, object of class dudi

amongrow

a logical value computing the distance if TRUE, between rows, if FALSE between columns.

Author

Daniel Chessel
Stéphane Dray

Examples

data (meaudret)
pca1 <- dudi.pca(meaudret$env, scan = FALSE)
sum((dist(scalewt(meaudret$env)) - dist.dudi(pca1))^2)
#[1] 4.045e-29 the same thing