1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
|
\name{bigcity}
\alias{bigcity}
\alias{city}
\title{
Population of U.S. Cities
}
\description{
The \code{bigcity} data frame has 49 rows and 2 columns.
The \code{city} data frame has 10 rows and 2 columns.
The measurements are the
population (in 1000's) of 49 U.S. cities in 1920 and 1930. The 49 cities are
a random sample taken from the 196 largest cities in 1920. The \code{city} data
frame consists of the first 10 observations in \code{bigcity}.
}
\usage{
bigcity
}
\format{
This data frame contains the following columns:
\describe{
\item{\code{u}}{
The 1920 population.
}
\item{\code{x}}{
The 1930 population.
}}}
\source{
The data were obtained from
Cochran, W.G. (1977) \emph{Sampling Techniques}. Third edition. John Wiley
}
\references{
Davison, A.C. and Hinkley, D.V. (1997) \emph{Bootstrap Methods and Their Application}. Cambridge University Press.
}
\keyword{datasets}
% Converted by Sd2Rd version 1.15.
|