jreast_jt               East Japan Railway's Tokaido Line Data
jreast_jt_od            JR-East Tokaido Line OD Data
make_adjacency_matrix   Convert station data to adjacency matrix
make_passenger_matrix   Convert passenger and station data to
                        origin-destination matrix
make_passenger_od       Summaries a passenger volume
network_window          Create network window zones
transit_table           Create transit table
