Populations Recorded by the US Census
This data set gives the population of the United States (in millions)
as recorded by the decennial census for the period 1790–1970.
A time series of 19 values.
McNeil, D. R. (1977)
Interactive Data Analysis.
New York: Wiley.
plot(uspop, log = "y", main = "uspop data", xlab = "Year",
ylab = "U.S. Population (millions)")