R version 3.5.3 (2019-03-11) -- "Great Truth"
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> # fields is a package for analysis of spatial data written for
> # the R software environment .
> # Copyright (C) 2018
> # University Corporation for Atmospheric Research (UCAR)
> # Contact: Douglas Nychka, nychka@ucar.edu,
> # National Center for Atmospheric Research,
> # PO Box 3000, Boulder, CO 80307-3000
> #
> # This program is free software; you can redistribute it and/or modify
> # it under the terms of the GNU General Public License as published by
> # the Free Software Foundation; either version 2 of the License, or
> # (at your option) any later version.
> # This program is distributed in the hope that it will be useful,
> # but WITHOUT ANY WARRANTY; without even the implied warranty of
> # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> # GNU General Public License for more details.
> 
> # tests of SEs from the Omega matrix 
> # using Monte Carlo
> 
> suppressMessages(library(fields))
> options( echo=FALSE)
PASSED test at tolerance  0.05
> proc.time()
   user  system elapsed 
  0.797   0.085   0.869