esda.shape.shape_index

esda.shape.shape_index(collection)

Schumm’s shape index (Schumm (1956) in MacEachren 1985)

\[{\sqrt{{A} \over {\pi}}} \over {R}\]

where \(A\) is the area and \(R\) is the radius of the minimum bounding circle.

Notes

Implementation follows [Mac85].