research

Network Coreness Index can be used to measure the structure of regional economy identified through a commuting network

Index of Moment of Inertia can be used to measure both the fragmentation levels and extent of fragmentation. This is a complementary measure to density to measure compactness of an urban landscape

While urban counties consume substantially more gasoline/diesel, rural counties are thrice as profligate as urban counties on per capita basis.

Exploiting sharp edges at the border of a jurisdiction to test the effect of a program/policy.

McMillen method of identifying outliers in local neighborhood.