Landmarks

Description

This data set gives the landmarks of a macaca at the ages of 0.9 and 5.77 years.

Usage

data(macaca)

Format

macaca is a list of 2 components.

xy1

is a data frame with 72 points and 2 coordinates.

xy2

is a data frame with 72 points and 2 coordinates.

Source

Olshan, A.F., Siegel, A.F. and Swindler, D.R. (1982) Robust and least-squares orthogonal mapping: Methods for the study of cephalofacial form and growth. American Journal of Physical Anthropology, 59, 131–137.

Examples

data(macaca)
par(mfrow = c(2,2))
s.match(macaca$xy1, macaca$xy2, clab = 0)
pro1 <- procuste(macaca$xy1, macaca$xy2, scal = FALSE)
s.match(pro1$tab1, pro1$rot2, clab = 0.7)
s.match(pro1$tab2, pro1$rot1, clab = 0.7)
pro2 <- procuste(macaca$xy1, macaca$xy2)
s.match(pro2$tab2, pro2$rot1, clab = 0.7)
par(mfrow = c(1,1))

Worked out examples

> library(ade4)
> ### Name: macaca
> ### Title: Landmarks
> ### Aliases: macaca
> ### Keywords: datasets
> 
> ### ** Examples
> 
> data(macaca)
> par(mfrow = c(2,2))
> s.match(macaca$xy1, macaca$xy2, clab = 0)

> pro1 <- procuste(macaca$xy1, macaca$xy2, scal = FALSE)
> s.match(pro1$tab1, pro1$rot2, clab = 0.7)

> s.match(pro1$tab2, pro1$rot1, clab = 0.7)

> pro2 <- procuste(macaca$xy1, macaca$xy2)
> s.match(pro2$tab2, pro2$rot1, clab = 0.7)

> par(mfrow = c(1,1))
> 
> 
>