jv73 {ade4} | R Documentation |
This data set gives physical and physico-chemical variables, fish species, spatial coordinates about 92 sites.
data(jv73)
jv73
is a list of 6 components.
Verneaux, J. (1973) Cours d'eau de Franche-Comté (Massif du Jura). Recherches écologiques sur le réseau hydrographique du Doubs. Essai de biotypologie. Thèse d'Etat, Besançon.
See a data description at http://pbil.univ-lyon1.fr/R/pps/pps047.pdf (in French).
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)