sphet (version 1.7)

listw2dgCMatrix: Interface between Matrix class objects and weights list

Description

Interface between Matrix class objects and weights list

Usage

listw2dgCMatrix(listw, zero.policy = NULL)

Arguments

listw

a listw object created for example by nb2listw

zero.policy

See lagsarlm for details

Value

Matrix class object: a sparse Matrix

Examples

# NOT RUN {
library(spdep)
data(columbus)
listw<-nb2listw(col.gal.nb)
spW<-listw2dgCMatrix(listw)
# }