state {base} | R Documentation

## States of the U.S.A.

### Description

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

### Usage

    data(state)

### 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.

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