I've been trying to fit variogram models using the REML method in the gstat package. Every time the Windows GUI crashes. For example
library(gstat) data(meuse) x <- variogram(zinc ~ 1, ~x + y, meuse) v <- vgm(140000, "Sph", 800, nug = 10000) plot(x, model = fit.variogram(x, model = v, fit.method=5))
Other fit methods are non problematic (eg. fit.method=7 for WLS or fit.method=1 for OLS)
I've tried the code on Windows XP, 98 and NT and all fail, how about non-Windows platforms?
Any suggestions?
Many thanks Dave
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