\HeaderA{airmiles}{Passenger Miles on Commercial US Airlines, 1937--1960}{airmiles}
\keyword{datasets}{airmiles}
\begin{Description}\relax
The revenue passenger miles flown by commercial airlines in
the United States for each year from 1937 to 1960.
\end{Description}
\begin{Usage}
\begin{verbatim}airmiles\end{verbatim}
\end{Usage}
\begin{Format}\relax
A time series of 24 observations; yearly, 1937--1960.
\end{Format}
\begin{Source}\relax
F.A.A. Statistical Handbook of Aviation.
\end{Source}
\begin{References}\relax
Brown, R. G. (1963)
\emph{Smoothing, Forecasting and Prediction of Discrete Time Series}.
Prentice-Hall.
\end{References}
\begin{Examples}
\begin{ExampleCode}
plot(airmiles, main = "airmiles data",
     xlab = "Passenger-miles flown by U.S. commercial airlines", col = 4)
\end{ExampleCode}
\end{Examples}