# R Dataset / Package car / Leinhardt

Submitted by pmagunia on March 9, 2018 - 1:06 PM
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## 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.

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Dataset imported from https://www.r-project.org.