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#
# fields is a package for analysis of spatial data written for
# the R software environment.
# Copyright (C) 2024 Colorado School of Mines
# 1500 Illinois St., Golden, CO 80401
# 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
# 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
##END HEADER
"summaryGCV.sreg" <- function(object, lambda, cost = 1,
nstep.cv = 20, offset = 0, verbose = TRUE, ...) {
out <- object
tauHat.pure.error <- out$tauHat.pure.error
pure.ss <- out$pure.ss
nt <- 2
np <- out$np
N <- out$N
out$cost <- cost
out$offset <- offset
lambda.est <- rep(NA, 6)
names(lambda.est) <- c("lambda", "trA", "GCV", "GCV.one",
"GCV.model", "tauHat")
#
# fill in stuff for this lambda
lambda.est[1] <- lambda
temp <- sreg.fit(lambda, out)
lambda.est[2] <- temp$trace
lambda.est[3] <- temp$gcv
lambda.est[4] <- temp$gcv.one
if (!is.na(tauHat.pure.error)) {
lambda.est[5] <- temp$gcv.model
}
lambda.est[6] <- temp$tauHat
lambda.est
}
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