To cite package ‘approxmatch’ in publications use:

Karmakar B (2020). approxmatch: Approximately Optimal Fine Balance Matching with Multiple Groups. R package version 2.0, https://CRAN.R-project.org/package=approxmatch.

ATTENTION: This citation information has been auto-generated from the package DESCRIPTION file and may need manual editing, see ‘help("citation")’.

Corresponding BibTeX entry:

  @Manual{,
    title = {approxmatch: Approximately Optimal Fine Balance Matching
      with Multiple Groups},
    author = {Bikram Karmakar},
    year = {2020},
    note = {R package version 2.0},
    url = {https://CRAN.R-project.org/package=approxmatch},
  }