Fertility and Contraception
Robey data frame has 50 rows and 3 columns.
The observations are developing nations around 1990.
This data frame contains the following columns:
A factor with levels:
Asia, Asia and Pacific;
Latin.Amer, Latin America and Caribbean;
Near.East, Near East and North Africa.
Total fertility rate (children per woman).
Percent of contraceptors among married women of childbearing age.
Fox, J. (2008) Applied Regression Analysis and Generalized Linear Models, Second Edition. Sage.