Degree for the first mode in a bipartite (aka two-mode) network
This term adds one network statistic to the model for each element in d ; the th such statistic equals the number of nodes of degree d[i] in the first mode of a bipartite network, i.e. with exactly d[i] edges. The first mode of a bipartite network object is sometimes known as the "actor" mode.
This term can only be used with undirected bipartite networks.
# binary: b1degreeL(d, by=NULL, levels=NULL, Ls=NULL)
d: a vector of distinct integers.by: a character string giving the name of an attribute in the network's vertex attribute list. If this is specified then each node's degree is tabulated only with other nodes having the same value of the by attribute.levels: if by is specified, which levels to consider.Ls: either a Layer Logic specification formula (c.f. Layer Logic section in the Layer() documentation) or a list thereof (constructed by list() or c()). If given, degree of a nodeergmTerm for index of model terms currently visible to the package.
ergm:::.formatTermKeywords("ergmTerm", "b1degreeL", "subsection")