Description Usage Format Source Examples

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

head length (first son),

head breadth (first son),

head length (second son),

head breadth (second son).

1 |

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. |

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).

1 2 3 4 5 | ```
data(fretsheads)
fretsheads$means
fretsheads$stddev
fretsheads$corr
fretsheads$n
``` |

SIN documentation built on May 29, 2017, 9:57 p.m.

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