W_votes: Weight matrix for counties in Alabama, US
Description
This dataset specifies the four nearest neighboring
counties of 67 counties in Alabama, US. All counties that satisfy
this criteria were assigned a weight of 0.25.
Usage
data(W_votes)
Arguments
Format
A matrix with 67 rows and 67 columns
References
Pace, R. K. and R. Barry. 1997. Quick Computation of Spatial Autoregressive Estimators. Geographical Analysis, 29, 232-47.
Data can be downloaded from
http://www.spatial-econometrics.com/html/jplv7.zip