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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> ############################################################################
> #      Begin tests of Matern covaraince parameter estimate
> # Note that in all tests the smoohtness (nu) is fixed
> # and only theta (range), sill ( rho) and nugget (sigma2) are considered. 
> ##########################################################################
> 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:  check REML rho
    PASSED test at tolerance  2e-05
testing:  check REML theta
    PASSED test at tolerance  2e-05
testing:   check REML sigma2
    PASSED test at tolerance  5e-06
testing:  check REML rho
    PASSED test at tolerance  0.001
testing:  check REML theta
    PASSED test at tolerance  0.001
testing:   check REML sigma2
    PASSED test at tolerance  2e-04
testing:  Profile likelihoods from Krig and optim
    PASSED test at tolerance  1e-08
testing:  Profile likelihoods from Krig and golden search
    PASSED test at tolerance  1e-08
done with Matern REML estimator tests where smoothness is fixed
>