ardeche {ade4} | R Documentation |
This data set gives information about species of benthic macroinvertebrates in different sites and dates.
data(ardeche)
ardeche
is a list with 6 components.
The columns of the data frame ardeche$tab
define the samples by a number between 1 and 6 (the date)
and a letter between A and F (the site).
Cazes, P., Chessel, D., and Dolédec, S. (1988) L'analyse des correspondances internes d'un tableau partitionné : son usage en hydrobiologie. Revue de Statistique Appliquée, 36, 39–54.
data(ardeche) dudi1 <- dudi.coa(ardeche$tab, scan = FALSE) s.class(dudi1$co, ardeche$dat.fac) s.label(dudi1$co, clab = 0.5, add.p = TRUE)