Shouldn't this line be xlist <- nb2listw(neighbours,glist = NULL,style = "W",zero.policy =TRUE)
instead of xlist <- nb2listw(neighbours,glist = NULL,style = "W",zero.policy =TRU) ? On Wed, Apr 4, 2018 at 9:44 PM, Yalemzewod Gelaw <[email protected]> wrote: > I am a new student to R learning for spatial analysis. I was hoping > someone could help me with the > error message I keep getting when I try to convert the neighbour data to a > listw object use the nb2listw() function. > > plot(xw_nbq, coords,add=TRUE,col="red")> summary(xw_nbq) > > > Neighbour list object: > Number of regions: 140 > Number of nonzero links: 680 > Percentage nonzero weights: 3.469388 > Average number of links: 4.857143 > 2 regions with no links: > 3 138 > Link number distribution: > > 0 1 2 3 4 5 6 7 8 9 > 2 6 4 16 32 35 17 13 13 2 > 6 least connected regions: > 11 32 57 117 124 137 with 1 link > 2 most connected regions: > 28 71 with 9 links > > when I try to run nb2listw, i got repated error following the below error > message. > > xlist <- nb2listw(neighbours,glist = NULL,style = "W",zero.policy =TRU) > > summary.listw(xlist) > Error in summary.listw(xlist) : regions with no neighbours found, use > zero.policy=TRUE > > I wonder if someone advises me how to fix the error message from my > working directory > > > > *Regards, * > > Yalem > > _______________________________________________ > R-sig-Geo mailing list > [email protected] > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > > [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-geo
