EI: A(n R) Program for Ecological Inference
Authors: Gary King, Margaret Roberts
This program provides a method of inferring individual behavior from aggregate data. It implements the statistical procedures, diagnostics, and graphics from the book A Solution to the Ecological Inference Problem: Reconstructing Individual Behavior from Aggregate Data (Princeton: Princeton University Press, 1997), by Gary King.
For more information, see here: https://gking.harvard.edu/eir