To cite package ‘ccmatch’ in publications use:

  Kanai M (2015). _ccmatch: R package for optimal matching of cases to
  controls using network flow theory._. R package version 1.0,
  <https://github.com/mkanai/ccmatch>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {ccmatch: R package for optimal matching of cases to controls using
network flow theory.},
    author = {Masahiro Kanai},
    year = {2015},
    note = {R package version 1.0},
    url = {https://github.com/mkanai/ccmatch},
  }

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