network object using the output (lists of toggled heads and tail vertices) from an ergm MCMC or SAN process.newnw.extract(oldnw, z, output = "network", response = NULL)newedgelist or two components newtails and newheads containing the ids of the head and tails vertices of the edges. Optionall newweights containing edgewights.network.update, which claims not to use itnetwork object with properties copied from oldnw and edges corresponding to the lists of tails and head vertex ids in znetwork.edgelist, network.update