Re: [R] R Sig-Geo group - loop for creating spatial matrix

2016-02-02 Thread Giorgio Garziano
om: Francesco Perugini [mailto:francesco.perug...@yahoo.it] Sent: martedì 2 febbraio 2016 09:24 To: Giorgio Garziano Subject: Re: [R] R Sig-Geo group - loop for creating spatial matrix Dear Giorgio, thanks a lot for your reply. From here now, I want to implement the Global G test for spatial autoco

Re: [R] R Sig-Geo group - loop for creating spatial matrix

2016-02-01 Thread Giorgio Garziano
You may handle that as a list of "nb" objects. library(spdep) example(columbus) coord <- coordinates(columbus) z <- c(1,2,3,4,5,6,7,8,9) neighbors.knn <- list() for (val in z) { neighbors.knn <- c(neighbors.knn, list(knn2nb(knearneigh(coord, val, longlat=F), sym=F))) } class(neighbours.knn)

[R] R Sig-Geo group - loop for creating spatial matrix

2016-02-01 Thread Francesco Perugini
Dear all,I want to create a routine to generate an object for different value of val: z <- c(1,2,3,4,5,6,7,8,9) for (val in z) { neighbors.knn <- knn2nb(knearneigh(coord, val, longlat=F), row.names=cod_pro,sym=F) } However, it seems it does not work. How to store the neighbors.knn created