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