Sahlins data frame has 20 rows and 2 columns.
The observations are households in a Central African village.
This data frame contains the following columns:
Consumers/Gardener, ratio of consumers to productive individuals.
Acres/Gardener, amount of land cultivated per gardener.
Sahlins, M. (1972) Stone Age Economics. Aldine [Table 3.1].
Fox, J. (2008) Applied Regression Analysis and Generalized Linear Models, Second Edition. Sage.