\HeaderA{ScotsSec}{Scottish secondary school scores}{ScotsSec}
\keyword{datasets}{ScotsSec}
\begin{Description}\relax
Scores attained by 3435 Scottish secondary school students on a
standardized test taken at age 16.  Both the primary school and the
secondary school that the student attended have been recorded.
\end{Description}
\begin{Usage}
\begin{verbatim}data(ScotsSec)\end{verbatim}
\end{Usage}
\begin{Format}\relax
A data frame with 3435 observations on the following 6 variables.
\describe{
\item[verbal] The verbal reasoning score on a test taken by the
students on entry to secondary school.
\item[attain] The score attained on the standardized test taken at
age 16.
\item[primary] A factor indicating the primary school that the
student attended.
\item[sex] A factor with levels \code{M} and \code{F}
\item[social] The student's social class on a numeric scale from low
to high social class.
\item[second] A factor indicating the secondary school that the
student attended.
}
\end{Format}
\begin{Details}\relax
These data are an example of cross-classified grouping factors.
\end{Details}
\begin{Source}\relax
\url{http://multilevel.ioe.ac.uk/softrev/2lev-xc.html}
\end{Source}
\begin{References}\relax
Paterson, L. (1991). Socio economic status and educational attainment:
a multidimensional and multilevel study. \emph{Evaluation and Research
in Education} \bold{5}: 97-121.
\end{References}
\begin{Examples}
\begin{ExampleCode}
str(ScotsSec)
\end{ExampleCode}
\end{Examples}

