nyc_subway_network

use NYC MTA Subway GTFS to build up network

1. Network
   -- Prepare data for nodes and links.ipynb
   -- network_construction_criticality.ipynb
    -- network_setup
   -- stop_times_cleaned
   -- stop_train
   nodes:
   -- sub_node
   -- master_master_node
   edges:
   -- waiting
   -- duration_7-10am_weekday
   -- transfer
   

2. Duration
   -- whole_network_duration
   -- whole_network_duration_shortest_path.csv
   

3. Duration Difference
   remove one node:
   --remove_one_node_duration_diff.csv.gz
   remove two nodes:
   -- remove_two_nodes_duration_diff.csv.gz
   

4. Demand
   -- demand.csv.gz
   -- od_demand_distribution_v2.csv
   

5. Criticality computation
   -- one node criticality calculation.ipynb
   -- network_runtwo_nodes_removal_duration.ipynb
   -- delay_multiply_demand_one_node_removal.csv
   -- delay_multiply_demand_two_nodes_removal.csv