doubs {ade4} | R Documentation |
This data set gives environmental variables, fish species and spatial coordinates for 30 sites.
data(doubs)
doubs
is a list with 3 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'état, Besançon. 1–257.
data(doubs) pca1 <- dudi.pca(doubs$mil, scan = FALSE) pca2 <- dudi.pca(doubs$poi, scale = FALSE, scan = FALSE) coiner1 <- coinertia(pca1, pca2, scan = FALSE) par(mfrow = c(3,3)) s.corcircle(coiner1$aX) s.value(doubs$xy, coiner1$lX[,1]) s.value(doubs$xy, coiner1$lX[,2]) s.arrow(coiner1$c1) s.match(coiner1$mX, coiner1$mY) s.corcircle(coiner1$aY) s.arrow(coiner1$l1) s.value(doubs$xy, coiner1$lY[,1]) s.value(doubs$xy, coiner1$lY[,2]) par(mfrow = c(1,1))