[R-sig-Geo] How to plot a variogram where the unit of lag distance would be in kilometer?

Uzzal uzzal at gist.ac.kr
Mon Jan 25 11:39:38 CET 2016


I have a dataset contains hourly PM10 concentrations (?g/m3 ) for 1 hour of 83 location. Please download from here. I have plotted semivariogram with these dataset. In semivariogram (Semivariance Vs Distance), the unit of distance is in meter(m) But I want semivariogram in which the unit of distance would be in kilometer(Km). How can I do this?   my R code:seoul032801  coordinates(seoul032801) #variogram modeling
seoul032801_var model032801   #give the parameters
plot(seoul032801_var,model=model032801, col="black", pch=16,cex = 1.3,
     xlab="Distance (m)", ylab = ~ "Semivariance ( " * mu * g^2 / m^3 * ")",
     main=" Semivariogram for 032801") Orpheus 




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