macaca {ade4} | R Documentation

## 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))

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