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The Stata Journal
Volume 13 Number 2: pp. 242-286



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Creating and managing spatial-weighting matrices with the spmat command

David M. Drukker
StataCorp
College Station, TX
ddrukker@stata.com
Hua Peng
StataCorp
College Station, TX
hpeng@stata.com
Ingmar R. Prucha
Department of Economics
University of Maryland
College Park, MD
prucha@econ.umd.edu
Rafal Raciborski
StataCorp
College Station, TX
rraciborski@stata.com
Abstract.  We present the spmat command for creating, managing, and storing spatial-weighting matrices, which are used to model interactions between spatial or more generally cross-sectional units. spmat can store spatial-weighting matrices in a general and banded form. We illustrate the use of the spmat command and discuss some of the underlying issues by using United States county and postal-code-level data.

View all articles by these authors: David M. Drukker, Hua Peng, Ingmar R. Prucha, Rafal Raciborski

View all articles with these keywords: spmat, spatial-autoregressive models, Cliff–Ord models, spatial lag, spatial-weighting matrix, spatial econometrics, spatial statistics, cross-sectional interaction models, social-interaction models

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