Package index • flownet

flownet-package flownet: Efficient Transport Modeling

Network Processing

Utility functions to prepare networks graphs (represented using data frames) for analysis.

linestrings_to_graph(): Convert Linestring to Graph
create_undirected_graph(): Create Undirected Graph
consolidate_graph(): Consolidate Graph
simplify_network(): Simplify Network

Route Choice and Traffic Assignment

Run traffic assignment using path-sized logit model, including efficient built-in route choice algorithm, or all-or-nothing assignment to the shortest path.

run_assignment() print(<flownet>): Run Traffic Assignment

Graph Utilities

Utility functions to normalized and extract information from graphs (represented using data frames).

normalize_graph(): Normalize Graph Node IDs
nodes_from_graph(): Extract Nodes from Graph
linestrings_from_graph(): Convert Graph to Linestrings
distances_from_graph(): Compute Distance Matrix from Graph

OD-Matrix Utilities

Utility functions to reshape origin-destination flow/trip matrices.

melt_od_matrix(): Melt Origin-Destination Matrix to Long Format

Data

Trans-African Road Network and Trade Data

africa_cities_ports: African Cities and International Ports
africa_network: Trans-African Road Transport Network
africa_segments: Raw Network Segments for Trans-African Transport Network
africa_trade: Intra-African Trade Flows by HS Section