This term adds one network statistic for each node equal to the number of
out-ties for that node. This measures the activity of the node. The term for
the first node is omitted by default because of linear dependence that
arises if this term is used together with edges , but its coefficient
can be computed as the negative of the sum of the coefficients of all the
other actors. That is, the average coefficient is zero, following the
Holland-Leinhardt parametrization of the $p_1$ model (Holland and Leinhardt,
1981).
For undirected networks, see sociality .
# binary: sender(base=1, nodes=-1)# valued: sender(base=1, nodes=-1, form="sum")
deprecated
specify which nodes' statistics should be included or excluded (see Specifying Vertex attributes and Levels (?nodal_attributes) for details)
how to aggregate tie values in a valued ERGM: "sum"
(the default) for a statistic of the form \(\sum_{i,j} x_{i,j}
y_{i,j}\), where \(y_{i,j}\) is
the value of dyad \((i,j)\) and \(x_{i,j}\) is the
term's covariate associated with it; and "nonzero" with the
edge considered to be present if its value is not 0. See
ergmTerm for more information.
ergmTerm for index of model terms currently visible to the package.
ergm:::.formatTermKeywords("ergmTerm", "sender", "subsection")