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SMPracticals (version 1.3-1)

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)

Arguments

source

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

References

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

Examples

Run this code
data(frets)
## maybe str(frets) ; plot(frets) ...

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