[R-sig-Geo] Spatial Logit Model

2010-05-28 Thread Francisco Silva
Hello everybody, I am trying to do a spatial logit model with the spatially autoregressive error structure - SAE. Right now, I did an implementation and i would like to check the results. Somebody knows with there is a package in R that estimates parameters to spatial logit model with SAE

Re: [R-sig-Geo] R-sig-Geo Digest, Vol 81, Issue 2

2010-05-02 Thread Francisco Silva
Hi folks, I have a matrix of 3 columns and 17 lines that represents a graph or a adjacency matrix. I have also a vector of 30 elements with some of the nodes of the graph repeated. seems like: 1. matrix that represents a graph: 1 2 1 1 3 1 1 4 1 2 1 1 2 4 1 3 1 1 4 1 1 4 2 1 2. vector of nodes

[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