This term adds one network statistic to the model, equal to the number of nodes in the network with degree 2 or higher. This term can only be used with undirected networks.
# binary: concurrent(by=NULL, levels=NULL)
this optional argument specifies a vertex attribute (see Specifying Vertex attributes and Levels (?nodal_attributes
) for details.)
It functions just like the by
argument of the degree
term.
ergmTerm
for index of model terms currently visible to the package.
ergm:::.formatTermKeywords("ergmTerm", "concurrent", "subsection")