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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
"cat.matrix" <- function(mat, digits = 8) {
nc <- ncol(mat)
temp <- matrix(match(c(signif(mat, digits)), unique(c(signif(mat,
digits)))), ncol = nc)
temp2 <- format(temp[, 1])
if (nc > 1) {
for (k in 2:nc) {
temp2 <- paste(temp2, temp[, k], sep = "X")
}
}
match(temp2, unique(temp2))
}
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