add.arc

Conveniently add an arc to an existing DAG.

Draw, manipulate, and evaluate directed
acyclic graphs and simulate corresponding data, as described in International Journal of Epidemiology 50(6):1772-1777.

Lutz Breitling

dagR

Directed Acyclic Graphs: Analysis and Data Simulation

add.arc function

<dl> <dt>dag</dt>
<dd>The DAG to which an arc should be added.</dd> <dt>arc</dt>
<dd>A vector of length 2, indicating from which node (first element) to
 which node (second element) the arc is to go.
 Note: the node numbering follows the numbering of the existing
 DAG (as shown in <code>dag.draw</code> with option <code>numbering=T</code>), not the numbering of <code>dag.init</code>.</dd> <dt>type</dt>
<dd>0 (=default) for a directed arc, 1 for an undirected association.</dd></dl>

Arguments

Lutz P Breitling &lt;l.breitling@posteo.de&gt;

Author

Add an arc to a DAG. — add.arc

<dl>

 <dt>dag</dt>
<dd>The DAG to which an arc should be added.</dd>

 <dt>arc</dt>
<dd>A vector of length 2, indicating from which node (first element) to
 which node (second element) the arc is to go.
 Note: the node numbering follows the numbering of the existing
 DAG (as shown in <code>dag.draw</code> with option <code>numbering=T</code>), not the numbering of <code>dag.init</code>.</dd>

 <dt>type</dt>
<dd>0 (=default) for a directed arc, 1 for an undirected association.</dd>

</dl>

add.arc: Add an arc to a DAG.

Description

Usage

Value

Arguments

Author

See Also