Depart Nodes from the netsim_dat Object
depart_nodes(dat, departures)the updated netsim_dat object with the nodes in
departures departed
the netsim_dat object
the vertex ids of nodes to depart
If tergmLite is FALSE, the vertex ids
departures are deactivated (from the current timestep onward) in each
networkDynamic stored in dat$nw. If tergmLite is
TRUE, the vertex ids departures are deleted from dat$el,
dat$attr, and dat$net_attr.