Pathfinder Networks

A suite of files and data to generate Pathfinder Networks from proximity data.

Pathfinder networks are derived from proximities for pairs of entities. Proximities can be obtained from similarities, correlations, distances, conditional probabilities, or any other measure of the relationships among entities. The entities are often concepts of some sort, but they can be anything with a pattern of relationships. In the Pathfinder network, the entities correspond to the nodes of the generated network, and the links in the network are determined by the patterns of proximities. For example, if the proximities are similarities, links will generally connect nodes of high similarity. The links in the network will be undirected if the proximities are symmetrical for every pair of entities. Symmetrical proximities mean that the order of the entities is not important, so the proximity of i and j is the same as the proximity of j and i for all pairs i,j. If the proximities are not symmetrical for every pair, the links will be directed.
Extract the zipped files to a directory of your choosing, make that directory the current directory in Matlab, and enter "pathfinder" in the Matlab Command Window to start.
The "Help" button in the Pathfinder application will open the "Pathfinder.doc" file.