find.paths {dagR} | R Documentation |
Find potentially biasing paths in a DAG.
Description
This identifies paths linking exposure and outcome in a DAG. Forward paths (including a directed arc emanating from the exposure) are not identified.
Usage
find.paths(dag)
Arguments
dag |
A DAG for which paths should be found. |
Value
A DAG with components pathsN
(number of paths identified) and paths
(matrix with each row describing one path by indicating the arcs forming the path; ends with NA
as some other function recognize the end of the path that way) added.
Author(s)
Lutz P Breitling <l.breitling@posteo.de>
References
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 research. Epidemiology 10(1):37-48.
See Also
[Package dagR version 1.2.1 Index]