I have a layer of statistical areas, and would like to obtain the contiguity matrix, that is, the matrix W in which an entry w_ij equals 1 if i and j are neighbors (share a border) and 0 otherwise.

There must be some simple tool to do this in ArcGIS, but I could not find it.


The tool to do this is Polygon Neighbors which:

Creates a table with statistics based on polygon contiguity (overlaps, coincident edges, or nodes).

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