The dataset of ratio of number of senators and representatives to population size in 13 districts in the United States in 1963 (Gastwirth, 1972).
data1963A data frame with 13 observations on the following 3 variables.
pop1963population data in 1963
sen1963Number of senators in each district in 1963
rep1963Number of representatives in each district in 1963
Gastwirth, J. L.(1972) The Estimation of the Lorenz Curve and Gini Index, The Review of Economics and Statistics, Vol. 54, No. 3. (August 1972), pp. 306-316.