# Ericksen

##### The 1980 U.S. Census Undercount

The `Ericksen`

data frame has 66 rows and 9 columns.
The observations are 16 large cities, the remaining parts of
the states in which these cities are located, and the other
U. S. states.

- Keywords
- datasets

##### Usage

`Ericksen`

##### Format

This data frame contains the following columns:

- minority
Percentage black or Hispanic.

- crime
Rate of serious crimes per 1000 population.

- poverty
Percentage poor.

- language
Percentage having difficulty speaking or writing English.

- highschool
Percentage age 25 or older who had not finished highschool.

- housing
Percentage of housing in small, multiunit buildings.

- city
A factor with levels:

`city`

, major city;`state`

, state or state-remainder.- conventional
Percentage of households counted by conventional personal enumeration.

- undercount
Preliminary estimate of percentage undercount.

##### References

Fox, J. (2008)
*Applied Regression Analysis and Generalized Linear Models*,
Second Edition. Sage.

Fox, J. and Weisberg, S. (2011)
*An R Companion to Applied Regression*, Second Edition, Sage.

*Documentation reproduced from package car, version 2.1-6, License: GPL (>= 2)*