\Header{state}{States of the U.S.A.}
\methalias{state.abb}{state}
\methalias{state.area}{state}
\methalias{state.center}{state}
\methalias{state.division}{state}
\methalias{state.name}{state}
\methalias{state.region}{state}
\methalias{state.x77}{state}
\keyword{datasets}{state}
\begin{Description}\relax
Data sets related to the 50 states of the United States of
America.\end{Description}
\begin{Usage}
\begin{verbatim}data(state)\end{verbatim}
\end{Usage}
\begin{Details}\relax
\R{} currently contains the following ``state'' data sets.
Note that all data are arranged according to alphabetical order of the
state names.
\describe{
\item[\code{state.abb}:] character vector of 2-letter abbreviations
for the state names.
\item[\code{state.area}:] numeric vector of state areas (in square
miles).
\item[\code{state.center}:] list with components named \code{x} and
\code{y} giving the approximate geographic center of each state in
negative longitude and latitude.  Alaska and Hawaii are placed
just off the West Coast.
\item[\code{state.division}:] factor giving state divisions (New
England, Middle Atlantic, South Atlantic, East South Central, West
South Central, East North Central, West North Central, Mountain,
and Pacific).
\item[\code{state.name}:] character vector giving the full state
names.
\item[\code{state.region}:] factor giving the region (Northeast,
South, North Central, West) that each state belongs to.
\item[\code{state.x77}:] matrix with 50 rows and 8 columns giving
the following statistics in the respective columns.
\Itemize{
\item \code{Population}: population estimate as of July 1, 1975
\item \code{Income}: per capita income (1974)
\item \code{Illiteracy}: illiteracy (1970, percent of population)
\item \code{Life Exp}: life expectancy in years (1969--71)
\item \code{Murder}: murder and non-negligent manslaughter rate
per 100,000 population (1976)
\item \code{HS Grad}: percent high-school graduates (1970)
\item \code{Frost}: mean number of days with minimum temperature
below freezing (1931--1960) in capital or large city
\item \code{Area}: land area in square miles
}
}\end{Details}
\begin{Source}\relax
U.S. Department of Commerce, Bureau of the Census (1977)
\emph{Statistical Abstract of the United States}.

U.S. Department of Commerce, Bureau of the Census (1977)
\emph{County and City Data Book}.\end{Source}

