Returns the subset of the data with the minimum imbalance for every possible subset size (N  1, N  2, ...), down to the data set with the minimum possible imbalance. Also includes tools for the estimation of causal effects for each subset size, functions for visualization and data export, and functions for calculating model dependence as proposed by Athey and Imbens.
Package details 


Author  Gary King, Christopher Lucas, and Richard Nielsen 
Maintainer  Christopher Lucas <[email protected]> 
License  GPL3 
Version  2.0.3 
URL  http://projects.iq.harvard.edu/frontier 
Package repository  View on GitHub 
Installation 
Install the latest version of this package by entering the following in R:

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