Re: [R-sig-Geo] Wheight matrices

2010-04-28 Thread Nikhil Kaza
Take a look at this document http://geodacenter.asu.edu/system/files/spdepintro.pdf The standard steps are require(maptools) readShapepoly require(spdep) poly2nb nb2listw or nb2mat Nikhil Kaza Asst. Professor, City and Regional Planning University of North Carolina nikhil.l...@gmail.com On

[R-sig-Geo] Wheight matrices

2010-04-28 Thread Francisco Silva
Hi folks, I am trying to do an spatial econometric model and I need a wheigt matrix. I have tried so many times to do such thing in R, but I did not find the way. I would like to know, if is possible to do the matrix in R? If yes, how does i should do? Please, send the steps because I have tried w