boot (version 1.2-10)

frets: Head Dimensions in Brothers

Description

The frets data frame has 25 rows and 4 columns.

The data consist of measurements of the length and breadth of the heads of pairs of adult brothers in 25 randomly sampled families. All measurements are expressed in millimetres.

Usage

data(frets)

source

The data were obtained from

Frets, G.P. (1921) Heredity of head form in man. Genetica, 3, 193.

References

Davison, A.C. and Hinkley, D.V. (1997) Bootstrap Methods and Their Application. Cambridge University Press.

Whittaker, J. (1990) Graphical Models in Applied Multivariate Statistics. John Wiley.