\Header{cars}{Stopping Distances of Cars}
\keyword{datasets}{cars}
\begin{Usage}
\begin{verbatim}data(cars)\end{verbatim}
\end{Usage}
\begin{Format}
A data frame with 50 observations on 2 variable.
\Tabular{rlll}{
[,1]  & speed  & numeric  & Speed (mph)\\{}
[,2]  & dist   & numeric  & Stopping distance (ft)\\{}
}\end{Format}
\begin{Description}
The data give the speed of cars and the distances taken to stop.
Note that the data were recorded in the 1920s.\end{Description}
\begin{Source}
Ezekiel, M. (1930).  Methods of Correlation Analysis.  Wiley.\end{Source}
\begin{References}
McNeil, D. R. (1977).  Interactive Data Analysis.  Wiley.\end{References}

