\HeaderA{Harman74.cor}{Harman Example 7.4}{Harman74.cor}
\keyword{datasets}{Harman74.cor}
\begin{Description}\relax
A correlation matrix of 24 psychological tests given to 145 seventh and
eight-grade children in a Chicago suburb by Holzinger and Swineford.
\end{Description}
\begin{Usage}
\begin{verbatim}Harman74.cor\end{verbatim}
\end{Usage}
\begin{Source}\relax
Harman, H. H. (1976)
\emph{Modern Factor Analysis}, Third Edition Revised,
University of Chicago Press, Table 7.4.
\end{Source}
\begin{Examples}
\begin{ExampleCode}
require(stats)
(Harman74.FA <- factanal(factors = 1, covmat = Harman74.cor))
for(factors in 2:5) print(update(Harman74.FA, factors = factors))
Harman74.FA <- factanal(factors = 5, covmat = Harman74.cor,
                        rotation="promax")
print(Harman74.FA$loadings, sort = TRUE)
\end{ExampleCode}
\end{Examples}