get.prev(all, at, set.all = TRUE)networkDynamic object and other initialization
information passed from epiNet.simTrans.TRUE, sets output on all object,
otherwise will output directly.epiNet.simTrans simulation process to
efficiently query the current size of each state or
compartment in the model at any given timestep. For a
bipartite network, the current state size for each mode,
and overall is provided. A more flexible, but inefficient
status query function is get.stat.get.stat