is.unknown

Another helper function, internally used by <code>brute.search</code>. It checks whether the node specified is of type=2 or is named 'unknown'.

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

is.unknown function

<dl> <dt>x</dt>
<dd>The node of interest.</dd> <dt>dag</dt>
<dd>The DAG to be evaluated.</dd></dl>

Arguments

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

Author

Check if a DAG node presents an unknown variable. — is.unknown

<dl>

 <dt>x</dt>
<dd>The node of interest.</dd>

 <dt>dag</dt>
<dd>The DAG to be evaluated.</dd>

</dl>

is.unknown: Check if a DAG node presents an unknown variable.

Description

Usage

Value

Arguments

Author

See Also