classGraph: Construct Graphs of S4 Class Hierarchies

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.

Install the latest version of this package by entering the following in R:
AuthorMartin Maechler partly based on code from Robert Gentleman
Date of publication2015-09-01 17:43:43
MaintainerMartin Maechler <>

View on CRAN

Questions? Problems? Suggestions? or email at

Please suggest features or report bugs with the GitHub issue tracker.

All documentation is copyright its authors; we didn't write any of that.