

   SSttaatteess ooff tthhee UU..SS..AA..

        data(state)

   DDeessccrriippttiioonn::

        Data sets related to the 50 states of the United States
        of America.

   DDeettaaiillss::

        R currently contains the following `state' data sets.
        Note that all data are arranged according to alphabeti-
        cal order of the state names.

           * `state.abb': character vector of 2-letter abbrevi-
             ations for the state names.

           * `state.area': numeric vector of state areas (in
             square miles).

           * `state.center': list with components named `x' and
             `y' giving the approximate geographic center of
             each state in negative longitude and latitude.
             Alaska and Hawaii are placed just off the West
             Coast.

           * `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).

           * `state.name': character vector giving the full
             state names

           * `state.region': factor giving the region (North-
             east, South, North Central, West) that each state
             belongs to.

           * `state.x77':  matrix with 50 rows and 8 columns
             giving the following statistics in the respective
             columns.

                * `Population':  population estimate as of July
                  1, 1975

                * `Income':  per capita income (1974)

                * `Illiteracy':  illiteracy (1970, percent of
                  population)

                * `Life Exp':  life expectancy in years
                  (1969-71)

                * `Murder':  murder and non-negligent
                  manslaughter rate per 100,000 population
                  (1976)

                * `HS Grad':  percent high-school graduates
                  (1970)

                * `Frost':  mean number of days with minimum
                  temperature below freezing (1931-1960) in
                  capital or large city

                * `Area':  land area in square miles

   SSoouurrccee::

        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.

