Robuta

https://stat.ethz.ch/CRAN/web/packages/optmatch/index.html CRAN: Package optmatch Distance based bipartite matching using minimum cost flow, oriented to matching of treatment and control groups in observational studies ('Hansen' and... cranpackage https://www.r-project.org/nosvn/R.check/r-patched-linux-x86_64/optmatch-00check.html Check results for 'optmatch' check results https://cran.r-project.org/web/packages/optmatch/vignettes/fullmatch-vignette.html Matching in R using the optmatch package matchingrusingpackage https://cran.csiro.au/web/packages/optmatch/index.html CRAN: Package optmatch Distance based bipartite matching using minimum cost flow, oriented to matching of treatment and control groups in observational studies ('Hansen' and... cranpackage