\HeaderA{uspop}{Populations Recorded by the US Census}{uspop}
\keyword{datasets}{uspop}
\begin{Description}\relax
This data set gives the population of the United States (in millions)
as recorded by the decennial census for the period 1790--1970.
\end{Description}
\begin{Usage}
\begin{verbatim}uspop\end{verbatim}
\end{Usage}
\begin{Format}\relax
A time series of 19 values.
\end{Format}
\begin{Source}\relax
McNeil, D. R. (1977)
\emph{Interactive Data Analysis}.
New York: Wiley.
\end{Source}
\begin{Examples}
\begin{ExampleCode}
plot(uspop, log = "y", main = "uspop data", xlab = "Year",
     ylab = "U.S. Population (millions)")
\end{ExampleCode}
\end{Examples}