Fix the dyads in fixed.dyads
at their current value, preserve the edges in present
, and preclude the edges in absent
.
# fixedas(fixed.dyads, present, absent)
a two-column edge list or a network
present
and absent
differ from fixed.dyads
in that
they check that the specified edges are in fact present and/or
absent and stop with an error if not.
ergmConstraint
for index of constraints and hints currently visible to the package.
ergm:::.formatTermKeywords("ergmConstraint", "fixedas", "subsection")