Triadic Analysis of Affiliation Networks R package bitriad version 0.4 Classification/MSC: 05C82, 91D30 Two principal tools are provided for the triadic analysis of affiliation networks: triad census and triadic closure. These include several variations on both classical tools tailored to affiliation network structure; see Opsahl (2013) <doi:10.1016/j.socnet.2011.07.001>, Liebig and Rao (2014) <doi:10.1109/SITIS.2014.15>, and Brunson (2015) <doi:10.1017/nws.2015.38>. Additional functions support manipulation of affiliation networks. Built on 'igraph' with new C++ calculations exposed via 'Rcpp'. Software Depends: R (>= 3.5.0), igraph (>= 1.1.2) Imports: MASS, Rcpp (>= 0.12.13) LinkingTo: Rcpp Suggests: knitr, testthat Jason Cory Brunson <cornelioid@gmail.com> Comprehensive R Archive Network (CRAN) Jason Cory Brunson [aut, cre] GPL-2 2026-06-30 application/tgz https://CRAN.R-project.org/package=bitriad doi:10.32614/CRAN.package.bitriad