Hansen BB, Bowers J (2008). “Covariate balance in simple, stratified and clustered comparative studies.” Statistical Science, 23(2), 219–236.

Bowers J, Fredrickson M, Hansen B (2023). RItools: Randomization Inference Tools. R package version 0.3-3, http://www.jakebowers.org/RItools.html.

Corresponding BibTeX entries:

  @Article{,
    author = {Ben B. Hansen and Jake Bowers},
    journal = {Statistical Science},
    number = {2},
    pages = {219--236},
    title = {Covariate balance in simple, stratified and clustered
      comparative studies},
    volume = {23},
    year = {2008},
  }
  @Manual{,
    title = {RItools: Randomization Inference Tools},
    author = {Jake Bowers and Mark Fredrickson and Ben Hansen},
    note = {R package version 0.3-3},
    year = {2023},
    url = {http://www.jakebowers.org/RItools.html},
  }