R version 4.0.0 (2020-04-24) -- "Arbor Day"
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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.
>
> suppressMessages(library(fields))
> options( echo=FALSE)
Warning:
Grid searches over lambda (nugget and sill variances) with minima at the endpoints:
(REML) Restricted maximum likelihood
minimum at right endpoint lambda = 0.003053154 (eff. df= 14.25 )
Testing: d coef diag W fixed lam
PASSED test at tolerance 1e-08
Testing: d coef diag W
PASSED test at tolerance 1e-08
Testing: c coef diag W fixed lam
PASSED test at tolerance 1e-08
Testing: c coef diag W
PASSED test at tolerance 1e-08
Warning:
Grid searches over lambda (nugget and sill variances) with minima at the endpoints:
(REML) Restricted maximum likelihood
minimum at right endpoint lambda = 0.002794267 (eff. df= 14.24999 )
Testing: sqrt of W
PASSED test at tolerance 1e-08
Warning:
Grid searches over lambda (nugget and sill variances) with minima at the endpoints:
(REML) Restricted maximum likelihood
minimum at right endpoint lambda = 0.002794267 (eff. df= 14.24999 )
Testing: Test of passing W explicitly
PASSED test at tolerance 1e-08
Testing: d coef full W
PASSED test at tolerance 1e-08
Testing: c coef full W
PASSED test at tolerance 1e-08
Testing: A matrix
PASSED test at tolerance 1e-08
Testing: check trace of A
PASSED test at tolerance 1e-08
Testing: GCV one
PASSED test at tolerance 5e-08
all done testing off diag W case
>
> proc.time()
user system elapsed
0.601 0.060 0.651