ade4 (version 1.01)

jv73: K-tables Multi-Regions

Description

This data set gives physical and physico-chemical variables, fish species, spatial coordinates about 92 sites.

Usage

data(jv73)

format

jv73 is a list of 6 components.

1. morpho

{is a data frame with 92 sites and 6 physical variables.} phychi{is a data frame with 92 sites and 12 physico-chemical variables.} poi{is a data frame with 92 sites and 19 fish species.} xy{is a data frame with 92 sites and 2 spatial coordinates.} contour{is a data frame for mapping.} fac.riv{is a factor distributing the 92 sites on 12 rivers.}

source

Verneaux, J. (1973) Cours d'eau de Franche-Comt� (Massif du Jura). Recherches �cologiques sur le r�seau hydrographique du Doubs. Essai de biotypologie. Th"se d'�tat, Besan�on.

Examples

data(jv73)
s.label(jv73$xy, contour = jv73$contour, incl = FALSE, 
    clab = 0.75)
s.class(jv73$xy, jv73$fac.riv, add.p = TRUE, cell = 0,
    axese = FALSE, csta = 0, cpoi = 0, clab = 1.25)

w <- split(jv73$morpho, jv73$fac.riv)
w <- lapply(w, function(x) t(dudi.pca(x, scann = FALSE)))
w <- ktab.list.dudi(w)
kplot(sepan(w), perm = TRUE, clab.r = 0, clab.c = 2, show = FALSE)