Construct Graphs of S4 Class Hierarchies R package classGraph version 0.7-7 Construct directed graphs of S4 class hierarchies and visualize them. In general, these graphs typically are DAGs (directed acyclic graphs), often simple trees in practice. Software Depends: methods Imports: graphics, stats, utils, graph, Rgraphviz Suggests: Matrix Martin Maechler <maechler@stat.math.ethz.ch> Comprehensive R Archive Network (CRAN) Martin Maechler [cre, aut] (Partly based on code from Robert Gentleman, ORCID: <https://orcid.org/0000-0002-8685-9910>) GPL 2025-04-29 application/tgz https://CRAN.R-project.org/package=classGraph doi:10.32614/CRAN.package.classGraph