\HeaderA{caith}{Colours of Eyes and Hair of People in Caithness}{caith}
\keyword{datasets}{caith}
\begin{Description}\relax
Data on the cross-classification of people in Caithness, Scotland, by
eye and hair colour. The region of the UK is particularly interesting
as there is a mixture of people of Nordic, Celtic and Anglo-Saxon origin.
\end{Description}
\begin{Usage}
\begin{verbatim}
caith
\end{verbatim}
\end{Usage}
\begin{Format}\relax
A 4 by 5 table with rows the eye colours (blue, light, medium, dark) and
columns the hair colours (fair, red, medium, dark, black).
\end{Format}
\begin{Source}\relax
Fisher, R.A. (1940) The precision of discriminant functions.
\emph{Annals of Eugenics (London)}
\bold{10}, 422--429.
\end{Source}
\begin{References}\relax
Venables, W. N. and Ripley, B. D. (2002)
\emph{Modern Applied Statistics with S.} Fourth edition.  Springer.
\end{References}
\begin{Examples}
\begin{ExampleCode}
corresp(caith)
dimnames(caith)[[2]] <- c("F", "R", "M", "D", "B")
par(mfcol=c(1,3))
plot(corresp(caith, nf=2)); title("symmetric")
plot(corresp(caith, nf=2), type="rows"); title("rows")
plot(corresp(caith, nf=2), type="col"); title("columns")
par(mfrow=c(1,1))
\end{ExampleCode}
\end{Examples}