R version 2.11.1 (2010-05-31)
Copyright (C) 2010 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> # fields, Tools for spatial data
> # Copyright 2004-2007, Institute for Mathematics Applied Geosciences
> # University Corporation for Atmospheric Research
> # Licensed under the GPL -- www.gpl.org/licenses/gpl.html
> 
> 
> 
> # tests of predict.se
> # against direct linear algebra 
> 
> library(fields)
Loading required package: spam
Package 'spam' is loaded. Spam version 0.15-5 (2009-08-08).
Type demo( spam) for some demos, help( Spam) for an overview
of this package.
Help for individual functions is optained byadding the
suffix '.spam' to the function name, e.g. 'help(chol.spam)'.

Attaching package: 'spam'

The following object(s) are masked from 'package:base':

    backsolve, forwardsolve, norm

 Use help(fields) for an overview of this library

library( fields, keep.source=TRUE) retains comments in the source code. 
> options( echo=FALSE)
testing:  Amatrix vs. predict
    PASSED test at tolerance  1e-08
testing:  Marginal predict.se
    PASSED test at tolerance  1e-08
testing:  comparing Omega
    PASSED test at tolerance  1e-08
    PASSED test at tolerance  1e-08
    PASSED test at tolerance  1e-08
testing:  test of formula with explicit d and c
    PASSED test at tolerance  1e-08
    PASSED test at tolerance  1e-08
testing:  new predict formula and direct formula
    PASSED test at tolerance  1e-08
testing:  New se _function_ and old one
    PASSED test at tolerance  1e-08
testing:  Benchmark of formula
    PASSED test at tolerance  1e-08
testing:  Benchmark of formula mKrig coefs
    PASSED test at tolerance  1e-08
testing:  test function with several locations Krig mKrig functions
    PASSED test at tolerance  1e-08