Leinhardt {car} | R Documentation

## Data on Infant-Mortality

### Description

The `Leinhardt` data frame has 105 rows and 4 columns. The observations are nations of the world around 1970.

### Usage

    Leinhardt

### Format

This data frame contains the following columns:

income

  Per-capita income in U. S. dollars.

infant

  Infant-mortality rate per 1000 live births.

region

  A factor with levels: `Africa`; `Americas`; `Asia`, Asia and Oceania; `Europe`.

oil

  Oil-exporting country. A factor with levels: `no`, `yes`.

### Details

The infant-mortality rate for Jamaica is misprinted in Leinhardt and Wasserman; the correct value is given here. Some of the values given in Leinhardt and Wasserman do not appear in the original New York Times table and are of dubious validity.

### Source

Leinhardt, S. and Wasserman, S. S. (1979) Exploratory data analysis: An introduction to selected methods. In Schuessler, K. (Ed.) Sociological Methodology 1979 Jossey-Bass.

The New York Times, 28 September 1975, p. E-3, Table 3.

### 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.

[Package car version 2.1-2 Index]