Description Usage Format Source References
Variables X1 and X2 are the head length and head breadth of the first son and Y1 and Y2 are the same variables for the second son.
1 |
A data frame containing 25 observations.
Mardia, 1979, p. 121
Frets, G. P. (1921) Heredity of head form in man, Genetica 3, pp. 193-384.
Mardia, K. V. and Kent, J. T. and Bibby, J. M. (1979) Multivariate Analysis. Academic Press London.
Anderson, T. W. (1984) An Introduction to Multivariate Statistical Analysis. New York: John Wiley, Second edition.
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