fretsheads {SIN}R Documentation

Frets' Heads

Description

Head measurements on the first an the second adult son in a sample of 25 families. The 4 variables are:

Usage

data(fretsheads)

Format

A list providing a summary of the data. The list contains:

fretsheads$means : the mean vector,
fretsheads$stddev : the vector of standard deviations,
fretsheads$corr : the correlation matrix, and
fretsheads$n : the sample size.

Source

Mardia, K.V., Kent, J.T. \& Bibby, J.M. (1979) Multivariate analysis. London: Academic Press. (See p.121).

Whittaker, J. (1990) Graphical models in applied multivariate statistics. Chichester: Wiley. (See p.265).

Examples

data(fretsheads)
fretsheads$means
fretsheads$stddev
fretsheads$corr
fretsheads$n

[Package SIN version 0.4 Index]