check.dag.integrity {HEMDAG}

DAG checker

Description

Check the integrity of a dag.

Usage

check.dag.integrity(g, root = "00")

Arguments

g

a graph of class graphNEL. It represents the hierarchy of the classes.

root

name of the class that is on the top-level of the hierarchy (def. root="00").

Value

If all the nodes are accessible from the root "dag is ok" is printed, otherwise a message error and the list of the not accessible nodes is printed on the stdout.

Examples

data(graph);
root <- root.node(g);
check.dag.integrity(g, root=root);