version 16.2

cran · Jun 28, 2024 · 800e82d · 800e82d
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diff --git a/DESCRIPTION b/DESCRIPTION
@@ -1,6 +1,6 @@
 Package: fields
-Version: 15.2
-Date: 2023-08-17
+Version: 16.2
+Date: 2024-06-27
 Title: Tools for Spatial Data
 Authors@R: c( person("Douglas", "Nychka", role = c("aut", "cre"),
                email = "douglasnychka@gmail.com"),
@@ -13,9 +13,9 @@ Authors@R: c( person("Douglas", "Nychka", role = c("aut", "cre"),
 	     person("Florian", "Gerber", role = "aut",
                email = "flora.fauna.gerber@gmail.com"),
 	     person("Matthew", "Iverson", role = "aut",
-               email = "miverson@mymail.mines.edu"),
-	       person("University Corporation for Atmospheric Research",
-	       role="cph", email="nychka@ucar.edu")
+               email = "miverson@mines.edu"),
+	     person("Rider", "Johnson", role = "aut",
+               email = "riderjohnson.mines.edu")
 	       ) 
 Maintainer: Douglas Nychka <douglasnychka@gmail.com>
 Description: For curve, surface and function fitting with an emphasis
@@ -48,12 +48,12 @@ Depends: R (>= 3.5.0), methods, spam, viridisLite
 Imports: maps
 NeedsCompilation: yes
 Repository: CRAN
-Packaged: 2023-08-17 14:57:28 UTC; nychka
+Packaged: 2024-06-27 20:13:47 UTC; nychka
 Author: Douglas Nychka [aut, cre],
   Reinhard Furrer [aut],
   John Paige [aut],
   Stephan Sain [aut],
   Florian Gerber [aut],
   Matthew Iverson [aut],
-  University Corporation for Atmospheric Research [cph]
-Date/Publication: 2023-08-17 21:02:31 UTC
+  Rider Johnson [aut]
+Date/Publication: 2024-06-27 21:10:02 UTC
diff --git a/MD5 b/MD5
diff --git a/R/BD.R b/R/BD.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/ChicagoO3.R b/R/ChicagoO3.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Exponential.R b/R/Exponential.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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
@@ -19,25 +19,29 @@
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 # or see http://www.r-project.org/Licenses/GPL-2
 ##END HEADER
-"Exponential" <- function(d, range = 1, alpha = 1/range, phi = 1.0,
-                          theta=NULL) {
+"Exponential" <- function(d, aRange=1.0,  phi = 1.0,
+                          theta=NULL, range=NULL) {
     #
     # Matern covariance function transcribed from Stein's book page 31
     # nu==smoothness==.5, alpha ==  1/range
     # 
     # GeoR parameters map to kappa==smoothness and phi == range
-    # to make old code from Fuentes and also the package SEHmodel
+    # to make old code from Fuentes and also the package SEHmodel work
     # phi is accepted as the marginal variance of the process (see below)
-    # within fields this parameter is "sigma"
-
-                                        #
+    # within fields this parameter is "sigma2" and is a standard notation
+                               #
     # check for negative distances
-    # theta argument has been depreciated.
-    if( !is.null( theta)){
-        aRange<- theta
+    #
+    # fill in other arguments as aRange.
+    # Note that the theta argument has been depreciated.
+    if( !is.null(theta)){  
+     aRange<- theta
+    }
+    if( !is.null(range)){  
+     aRange<- range
     }
     if (any(d < 0)) 
         stop("distance argument must be nonnegative")
     #
-    return(phi*exp(-d * alpha))
+    return(phi*exp(-d/aRange))
 }
diff --git a/R/ExponentialUpper.R b/R/ExponentialUpper.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Krig.R b/R/Krig.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Krig.family.R b/R/Krig.family.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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
@@ -141,7 +141,8 @@ Krig.check.xY <- function(x, Y, Z, weights, na.rm,
     #
     if (out$decomp == "WBW") {
         # pad u with zeroes that corresond to null space basis functions
-        # this makes it compatible with the DR decomposition.
+        # this makes it compatible with the Demmler Reisch decomposition.
+        # from an older version of this code
         u <- rbind(matrix(0, nrow = out$nt, ncol = ndata), t(out$matrices$V) %*% 
             qr.q2ty(out$matrices$qr.T, out$W2 %d*% temp.yM))
         #
@@ -179,6 +180,9 @@ Krig.check.xY <- function(x, Y, Z, weights, na.rm,
         tauHat.pure.error = out2$tauHat.pure.error, pure.ss = out2$pure.ss))
 }
 
+# brute force way to find the smoother matrix:
+# yhat = A(lambda) y
+# trace of A(lambda) is the effective degrees of freedom
 Krig.Amatrix <- function(object, x0 = object$x, lambda = NULL, 
     eval.correlation.model = FALSE, ...) {
     if (is.null(lambda)) {
@@ -202,6 +206,7 @@ Krig.Amatrix <- function(object, x0 = object$x, lambda = NULL,
     }
     return(out)
 }
+
 "Krig.df.to.lambda" <- function(df, D, guess = 1, 
     tol = 1e-05) {
     if (is.list(D)) {

diff --git a/R/KrigFindLambda.R b/R/KrigFindLambda.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Matern.R b/R/Matern.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Matern.parameters.R b/R/Matern.parameters.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Paciorek.cov.R b/R/Paciorek.cov.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/QSreg.R b/R/QSreg.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/QTps.R b/R/QTps.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/RMprecip.R b/R/RMprecip.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/RadialBasis.R b/R/RadialBasis.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/RdistEarth.R b/R/RdistEarth.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/SUBSCRIPTINGSpatialDesign.R b/R/SUBSCRIPTINGSpatialDesign.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/Tps.R b/R/Tps.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/US.R b/R/US.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/add.image.R b/R/add.image.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/addColorBarTriangle.R b/R/addColorBarTriangle.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/addLegend.R b/R/addLegend.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/addMarginsGridList.R b/R/addMarginsGridList.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/arrow.plot.R b/R/arrow.plot.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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

diff --git a/R/as.image.R b/R/as.image.R
@@ -1,9 +1,9 @@
 #
 # fields  is a package for analysis of spatial data written for
 # the R software environment.
-# Copyright (C) 2022 Colorado School of Mines
+# Copyright (C) 2024 Colorado School of Mines
 # 1500 Illinois St., Golden, CO 80401
-# Contact: Douglas Nychka,  douglasnychka@gmail.edu,
+# Contact: Douglas Nychka,  douglasnychka@gmail.com,
 #
 # 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