| apes {shapes} | R Documentation |
Great ape skull landmark data. 8 landmarks in 2 dimensions, 167 individuals
data(apes)
apes$x : An array of dimension 8 x 2 x 167
apes$group : Species and sex of each specimen: "gorf" 30 female gorillas, "gorm" 29 male gorillas, "panf" 26 female chimpanzees, "pamm" 28 male chimpanzees, "pongof" 24 female orang utans, "pongom" 30 male orang utans.
Dryden, I.L. and Mardia, K.V. (1998). Statistical Shape Analysis, Wiley, Chichester.
O'Higgins, P. and Dryden, I. L. (1993). Sexual dimorphism in hominoids: further studies of craniofacial shape differences in Pan, Gorilla, Pongo, Journal of Human Evolution, 24, 183-205.
Data from Paul O'Higgins (Hull-York Medical School)
data(apes)
par(mfrow=c(1,2))
plotshapes(apes$x[,,apes$group=="gorf"],symbol="f")
plotshapes(apes$x[,,apes$group=="gorm"],symbol="m")