

_S_t_a_t_e_s _o_f _t_h_e _U._S._A.

     data(state)

_D_e_s_c_r_i_p_t_i_o_n:

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

_D_e_t_a_i_l_s:

     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
          (Northeast, 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
               (196971)

             * `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 (19311960) in cap-
               ital or large city

             * `Area':  land area in square miles

_S_o_u_r_c_e:

     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.

