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

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

