state {datasets} | R Documentation

## US State Facts and Figures

### Description

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

### Usage

    state.abb
    state.area
    state.center
    state.division
    state.name
    state.region
    state.x77

### Details

R currently contains the following “state” data sets. Note that all data are arranged according to alphabetical order of the state names.

`state.abb`:

  character vector of 2-letter abbreviations 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 (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

### 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.

### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

[Package datasets version 3.4.2 Index]