Approximately Optimal Fine Balance Matching with Multiple Groups

Tools for constructing a matched design with multiple comparison groups. Further specifications of refined covariate balance restriction and exact match on covariate can be imposed. Matches are approximately optimal in the sense that the cost of the solution is at most twice the optimal cost, Crama and Spieksma (1992) , Karmakar, Small and Rosenbaum (2019) .


Reference manual

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2.0 by Bikram Karmakar, a year ago

Browse source code at

Authors: Bikram Karmakar

Documentation:   PDF Manual  

MIT + file LICENSE license

Suggests optmatch, MASS

Suggested by evident.

See at CRAN