search for: ertrag

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2009 Oct 08
1
variogram
Hello everybody, I want to run the following R-code, but it does'nt work. > res.vgm = variogram(ertrag ~ rep, # !!! + loc = ~ xpos + ypos, # !!! + width = start.range / 10, + data = d) Error in vector("double", length) : element 2 is empty; the part of the args list of '.Internal' being evaluated was: (mode, length)...