mafragh {ade4} | R Documentation |
This data set gives environmental and spatial informations about species and sites.
data(mafragh)
mafragh
is a list of 6 components.
Belair, G.d. and Bencheikh-Lehocine, M. (1987)
Composition et déterminisme de la végétation d'une plaine côti"re marécageuse : La Mafragh (Annaba, Algérie).
Bulletin d'Ecologie, 18, 393407.
data(mafragh) par(mfrow = c(3,2)) s.label(mafragh$xy, inc = FALSE, neig = mafragh$neig, sub = "Samples & Neighbourhood graph") coa1 <- dudi.coa(mafragh$flo, scan = FALSE) s.value(mafragh$xy, coa1$li[,1], sub = "Axis 1 - COA") pca1 <- dudi.pca(mafragh$xy, scan = FALSE) s.value(mafragh$xy, pca1$li[,1], sub = "Axis 1 - PCA") s.class(pca1$li, mafragh$partition, sub = "Plane 1-2 - PCA") s.class(coa1$li, mafragh$partition, sub = "Plane 1-2 - COA") s.chull(mafragh$xy, mafragh$partition, optchull = 1)