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# LatticeKrig is a package for analysis of spatial data written for
# the R software environment .
# Copyright (C) 2016
# 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.
#
# You should have received a copy of the GNU General Public License
# along with the R software environment if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# or see http://www.r-project.org/Licenses/GPL-2
print.LatticeKrig <- function(x, digits = 4, ...) {
LKinfo <- x$LKinfo
if (is.matrix(x$residuals)) {
n <- nrow(x$residuals)
NData <- ncol(x$residuals)
} else {
n <- length(x$residuals)
NData <- 1
}
c1 <- "Number of Observations:"
c2 <- n
if (NData > 1) {
c1 <- c(c1, "Number of data sets fit:")
c2 <- c(c2, NData)
}
c1 <- c(c1, "Number of parameters in the fixed component")
c2 <- c(c2, x$nt)
if (x$nZ > 0) {
c1 <- c(c1, "Number of covariates")
c2 <- c(c2, x$nZ)
}
if (!is.na(x$eff.df)) {
c1 <- c(c1, " Effective degrees of freedom (EDF)")
c2 <- c(c2, signif(x$eff.df, digits))
c1 <- c(c1, " Standard Error of EDF estimate: ")
c2 <- c(c2, signif(x$trA.SE, digits))
}
if (NData == 1) {
c1 <- c(c1, "MLE sigma ")
c2 <- c(c2, signif(x$sigma.MLE, digits))
c1 <- c(c1, "MLE rho")
c2 <- c(c2, signif(x$rho.MLE, digits))
}
else {
c1 <- c(c1, "Combined MLE sigma ")
c2 <- c(c2, signif(x$sigma.MLE.FULL, digits))
c1 <- c(c1, "Combined MLE rho")
c2 <- c(c2, signif(x$rho.MLE.FULL, digits))
}
if( x$findAwght){
c1 <- c(c1, "MLE a.wght")
c2 <- c(c2, signif(x$MLE$a.wght.MLE, digits))
}
c1 <- c(c1, "MLE lambda = sigma^2/rho ")
c2 <- c(c2, signif(x$lambda, digits))
sum <- cbind(c1, c2)
dimnames(sum) <- list(rep("", dim(sum)[1]), rep("", dim(sum)[2]))
cat("Call:\n")
dput(x$call)
if( x$inverseModel){
cat("NOTE: This is an 'inverse' model because U and X matrices are supplied", fill=TRUE)}
cat(" ", fill = TRUE)
print(sum, quote = FALSE)
cat(" ", fill = TRUE)
if (is.null(x$LKinfo$fixedFunction)) {
cat("No fixed part of model", fill = TRUE)
} else {
if (x$LKinfo$fixedFunction == "LKrigDefaultFixedFunction") {
cat("Fixed part of model is a polynomial of degree", x$LKinfo$fixedFunctionArgs$m -
1, "(m-1)", fill = TRUE)
} else {
cat("Fixed part of model uses the function:", x$LKinfo$fixedFunction,
fill = TRUE)
cat("with the argument list:", fill = TRUE)
print(x$LKinfo$fixedFunctionArgs)
}
}
cat("Basis function : ", LKinfo$basisInfo$BasisType,
fill = TRUE)
cat("Basis function used: ", LKinfo$basisInfo$BasisFunction,
fill = TRUE)
cat("Distance metric: ", LKinfo$distance.type, fill = TRUE)
cat(" ", fill = TRUE)
cat("Lattice summary:", fill = TRUE)
cat(LKinfo$nlevel, " Level(s)", LKinfo$latticeInfo$m, "basis functions",
"with overlap of ", LKinfo$basisInfo$overlap, "(lattice units)",
fill = TRUE)
cat(" ", fill = TRUE)
#
temp <- cbind(1:LKinfo$nlevel, LKinfo$latticeInfo$mLevel, LKinfo$latticeInfo$delta)
dimnames(temp) <- list(rep("", LKinfo$nlevel), c("Level", "Lattice points",
"Spacing"))
print(temp)
cat(" ", fill = TRUE)
cat("Nonzero entries in Ridge regression matrix", x$nonzero.entries,
fill = TRUE)
#
return()
cat(" ", fill = TRUE)
if (length(LKinfo$alpha[[1]]) == 1) {
cat("Value(s) for alpha: ", unlist(LKinfo$alpha), fill = TRUE)
} else {
cat("alpha values passed as a vector for each level", fill = TRUE)
}
#
cat(" ", fill = TRUE)
if (length(LKinfo$a.wght[[1]]) == 1) {
a.wght <- unlist(LKinfo$a.wght)
cat("Value(s) for lattice dependence (a.wght): ", a.wght, fill = TRUE)
} else {
cat("Value(s) for weighting in GMRF (a.wght): ", unlist(LKinfo$alpha),
fill = TRUE)
}
#
cat(" ", fill = TRUE)
if (LKinfo$normalize) {
cat("Basis functions normalized so marginal process variance is stationary",
fill = TRUE)
}
if( !x$findAwght){
cat("\n", "NOTE: sigma and rho found by maximum likelihood for ", fill = TRUE)
cat("fixed values of alpha and a.wght", fill = TRUE)
cat("\n"," Summary of MLE computation from optim:", fill=TRUE)
print( x$MLE$summary)
cat(" ", fill = TRUE)
}
else{
cat("\n", "NOTE: parameters sigma, rho, and the a.wght found ", fill = TRUE)
cat("by maximum likelihood for fixed values of alpha", fill = TRUE)
cat(" Summary of MLE computation from optim:", fill=TRUE)
print( x$MLE$summary)
cat(" ", fill = TRUE)
}
#
invisible(x)
}
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