g4: Goodreau's four node network as a "network" object
Description
This is an example thought of by Steve Goodreau. It is a directed network of
four nodes and five ties stored as a network object.
Usage
data(g4)
Arguments
Details
It is interesting because the maximum likelihood estimator of the model with
out degree 3 in it exists, but the maximum psuedolikelihood estimator does
not.