listw2dgCMatrix {splm}

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 spdep::nb2listw

zero.policy

See lagsarlm for details

Value

Matrix class object: a sparse Matrix

Author(s)

Gianfranco Piras

Examples

data(columbus, package="spdep")
listw<-spdep::nb2listw(col.gal.nb)
spW<-listw2dgCMatrix(listw)