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 2.1.1 Index]