[R-sig-Geo] spplot help, please

[Marvin Sharma]

Hi,I wanted to plot the spplot of my model residuals. The plot works fine, but the state map does not appear. Code is given below and the data are attached. I would greatly appreciate any help in this.
Marvin

library(spgwr)library(spdep)library(maps)library(maptools)data<-read.csv("try.csv",header=TRUE)coords=cbind(data$Longitude,data$Latitude)g.adapt.gauss <- gwr.sel(y~x, data,coords,adapt=TRUE)res.adpt <- gwr(y~x, data,coords, adapt=g.adapt.gauss)brks <- c(-0.25, 0, 0.01, 0.025, 0.075)cols <- grey(5:2/6)res.adpt$SDF$ols.e <- residuals(lm(y~x, data))spplot(res.adpt$SDF, c("ols.e","gwr.e"),main="Residuals")
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