arc7nb4nbn: returns the number(s) of arcs of a /nbn/
Description
returns the arc numbers of the node of /nbn/ object.
Usage
arc7nb4nbn(nbn, each=FALSE)
Value
Either a number or a named vector of numbers (names being the node
names).
Arguments
- nbn
The nbn
object to consider.
- each
When TRUE
, returns a named vector of the number
of parents of each node. If not the total number of arcs.
Details
Parents associated with a zero regression coefficient are not
excluded in the counting.