Provides functionality for clustering
    origin-destination (OD) pairs, representing desire lines (or flows).
    This includes creating distance matrices between OD pairs and passing
    distance matrices to a clustering algorithm. See the academic paper 
    Tao and Thill (2016) <doi:10.1111/gean.12100>
    for more details on spatial clustering of flows.
    See the paper on delineating demand-responsive operating areas
    by Mahfouz et al. (2025) <doi:10.1016/j.urbmob.2025.100135>
    for an example of how this package can be used to cluster flows for
    applied transportation research.

Computes unidimensional and multidimensional Reciprocity and Inaccuracy indices. These indices are applicable to common heterostylous populations and to any other type of stylar dimorphic and trimorphic populations, such as in enantiostylous and three-dimensional heterostylous plants. Simón-Porcar, V., A. J. Muñoz-Pajares, J. Arroyo, and S. D. Johnson. (in press) "FlowerMate: multidimensional reciprocity and inaccuracy indices for style-polymorphic plant populations."

Create interactive flow maps using 'FlowmapBlue' 'TypeScript'
    library <https://github.com/FlowmapBlue/FlowmapBlue>, which is a free
    tool for representing aggregated numbers of movements between
    geographic locations as flow maps. It is used to visualize urban
    mobility, commuting behavior, bus, subway and air travels, bicycle
    sharing, human and bird migration, refugee flows, freight
    transportation, trade, supply chains, scientific collaboration,
    epidemiological and historical data and many other topics. The package
    allows to either create standalone flow maps in form of 'htmlwidgets'
    and save them in 'HTML' files, or integrate flow maps into 'Shiny'
    applications.

Adds flow maps to 'ggplot2' plots. The flow maps consist of 'ggplot2' layers which visualize the nodes as circles and the bilateral flows between the nodes as bidirectional half-arrows.

High-performance tools for transport modeling - network processing, route 
    enumeration, and traffic assignment in R. The package implements the Path-Sized Logit 
    model for traffic assignment - Ben-Akiva and Bierlaire (1999) <doi:10.1007/978-1-4615-5203-1_2> - 
    an efficient route enumeration algorithm, and provides powerful utility functions for (multimodal) 
    network generation, consolidation/contraction, and/or simplification. The user is expected to provide 
    a transport network (either a graph or collection of linestrings) and an origin-destination (OD) 
    matrix of trade/traffic flows. Maintained by transport consultants at CPCS (cpcs.ca).