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2007 Nov 21
1
problem with nb2listw
...new student to R and I was hoping someone could help me with the error message I keep getting when I try to use the nb2listw() function. I have 45 sites and I want to get an autocorrelation value for sites within 1000m of each other. coords<-cbind(EAST,NORTH) coords<-as.matrix(coords) nb1000<-dnearneigh(coords,0,1000,longlat=TRUE) then when I try to run the nb2listw(nb1000, style="W") I get an error message of "Empty neighbour sets found". Can someone tell me what this means and how to possible fix it. Thanks Lynnette ~ Lynnette Dagenais M.Sc. Candidate Depa...