Ecological regression using aggregate and individual data Estimating individual-level covariate-outcome associations using aggregate data ("ecological inference") or a combination of aggregate and individual-level data ("hierarchical related regression"). Software Christopher Jackson <chris.jackson@mrc-bsu.cam.ac.uk> Christopher Jackson <chris.jackson@mrc-bsu.cam.ac.uk> GPL (>= 2) 2010-08-25 application/tgz http://CRAN.R-project.org/package=ecoreg