ade4 (version 1.4-3)

ardeche: Fauna Table with double (row and column) partitioning

Description

This data set gives information about species of benthic macroinvertebrates in different sites and dates.

Usage

data(ardeche)

source

Cazes, P., Chessel, D., and Dol�dec, S. (1988) L'analyse des correspondances internes d'un tableau partitionn� : son usage en hydrobiologie. Revue de Statistique Appliqu�e, 36, 39--54.

Details

The columns of the data frame ardeche$tab define the samples by a number between 1 and 6 (the date) and a letter between A and F (the site).

Examples

data(ardeche)
dudi1 <- dudi.coa(ardeche$tab, scan = FALSE)
s.class(dudi1$co, ardeche$dat.fac)
s.label(dudi1$co, clab = 0.5, add.p = TRUE)