listw2dgCMatrix {sphet}

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

Author(s)

Gianfranco Piras [e-mail]

Examples

library(spdep)
data(columbus)
listw <- nb2listw(col.gal.nb)
spW <- listw2dgCMatrix(listw)