apes: Great ape data

In shapes: Statistical Shape Analysis

Great ape data

Description

Great ape skull landmark data. 8 landmarks in 2 dimensions, 167 individuals

Usage

data(apes)

Format

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.

Source

Dryden, I.L. and Mardia, K.V. (2016). Statistical Shape Analysis, with applications in R (Second Edition). 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.

References

Data from Paul O'Higgins (Hull-York Medical School)

Examples

data(apes)
par(mfrow=c(1,2))
plotshapes(apes$x[,,apes$group=="gorf"],symbol="f")
plotshapes(apes$x[,,apes$group=="gorm"],symbol="m")

shapes documentation built on Feb. 16, 2023, 8:16 p.m.