skulls.df {s20x}R Documentation

Skulls Data

Description

Male Egyptian skulls from five different epochs. Each skull has had four measurements taken of it, BH, Basibregmatic Height, BL, Basialveolar Length, MB, Maximum Breadth and NH, Nasal Height. It is of interest to investigate the change in shape over time. A gradual change, would indicate inbreeding of the populuations.

Usage

data (skulls.df)

Format

A data frame with 600 observations on 3 variables.
[,1] breadth integer
[,2] type factor levels (BH, BL, MB, NH)
[,3] Year integer The epoch the skull is from

Source

The data was taken from:

Hand, D.J., Daly, F., Lunn, A.D., McConway, K.J. & Ostrowski, E. (1994). textit {A Handbook of Small Data Sets}. Boca Raton, Florida: Chapman and Hall/CRC.

Original source:

Thomson, A. & Randall-Maciver, R. (1905). textit {Ancient Races of the Thebaid}. Oxford: Oxford University Press.


[Package s20x version 3.1-3 Index]