Generic function summary() working code for class dagRdag, which is used by package dagR from version 1.1.1 on. From version 1.2.0, summary.dagRdag() is available as a generic function, but summary_dagRdag is preserved for backwards compatibility.
summary_dagRdag(dag)
An object of class dagRdag.
Lutz P Breitling <l.breitling@posteo.de>
Summarizes according to what functions have been applied to the DAG. It does not itself call dag.search and the like. Exception: is calls is.acyclic (with maxSecs=5).
Breitling LP (2010). dagR: a suite of R functions for directed acyclic graphs. Epidemiology 21(4):586-587.
Greenland S, Pearl J, Robins JM (1999). Causal diagrams for epidemiologic reserach. Epidemiology 10(1):37-48.
Kn\"uppel S, Stang A (2010). DAG Program: identifying minimal sufficient adjustment sets. Epidemiology 21(1):159.