https://github.com/cran/RandomFields
Revision bd298816a60ec4ca975f1289dc6ad3475d6247bf authored by Martin Schlather on 09 January 2016, 13:56:44 UTC, committed by cran-robot on 09 January 2016, 13:56:44 UTC
1 parent f97a3a6
Tip revision: bd298816a60ec4ca975f1289dc6ad3475d6247bf authored by Martin Schlather on 09 January 2016, 13:56:44 UTC
version 3.1.8
version 3.1.8
Tip revision: bd29881
basic.fctns.R
## Authors
## Martin Schlather, schlather@math.uni-mannheim.de
##
##
## Copyright (C) 2015 Martin Schlather
##
## 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 3
## 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 this program; if not, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
earth_coordinate_names<- function(names) {
## Earth coordinates + possibly radius
n <- substr(tolower(names), 1, 6)
nc <- nchar(n)
lon <- lat <- logical(length(n))
for (i in 1:length(n)) {
lon[i] <- substr("longit", 1, nc[i]) == n[i]
lat[i] <- substr("latitu", 1, nc[i]) == n[i]
}
lonORlat <- lon | lat
earth <- all(nc[lonORlat] >= 2) && sum(lon==1) && sum(lat == 1)
return(if (length(names)==2 | !earth) earth else
if ( (lo <- which(lon)) < (la <- which(lat)))
which(lonORlat[]))
}
cartesian_coordinate_names <- function(names) {
n <- substr(tolower(names), 1, 1)
coords <- c("T", "x", "y", "z")
Txyz <- outer(n, coords, "==")
cs <- colSums(Txyz)
if (any(cs > 1) || sum(cs[1:2]) == 0 || any(diff(cs[-1]) > 0))
return (integer(0))
Txyz <- Txyz[, c(2:4, 1), drop=FALSE]
ord <- apply(Txyz, 2, function(x) which(x > 0))
ord <- order(unlist(ord))
rs <- which(rowSums(Txyz) > 0)
return(rs[ord])
}
general_coordinate_names <- function(names) {
n <- substr(tolower(names), 1, 5)
return(which(n == "coord"))
}
data.columns <- function(data, xdim=0, force=FALSE, halt=TRUE) {
# Print("data.col", data)
if (length(xdim) == 0) xdim <- 0
if (xdim>0 && xdim >= ncol(data)) stop("not enough columns in 'data'.")
RFopt <- RFoptions()
info <- RFoptions()$coords
cn <- colnames(data)
if (all(is.na(info$varnames))) {
if (all(is.na(info$coordnames))) {
if (is.null(cn)) {
if (force) return(list(data=(xdim+1):ncol(data), x=1:xdim))
if (halt)
stop('colnames of data argument must contain "data" or "variable"')
else return(NULL);
}
is.data <- (tolower(substr(cn, 1, 4)) == "data" |
tolower(substr(cn, 1, 4)) == "value" |
tolower(substr(cn, 1, 8)) == "variable")
if (!any(is.data)) {
if (force) return(list(data=(xdim+1):ncol(data), x=1:xdim))
if (halt) stop('no colname starts with "data" or "variable"')
else return(NULL);
}
is.data <- which(is.data)
if (is.data[1] > 1) is.data <- is.data[1] : ncol(data)# coord am Anfang
## dann wird Rest alles als data angenommen, egal welcher Name
}
} else {
if (is.numeric(info$varnames)) {
is.data <- rep(info$varnames, length.out=2)
if (is.na(is.data[1])) is.data[1] <- 1
if (is.na(is.data[2])) is.data[2] <- ncol(data)
is.data <- is.data[1] : is.data[2]
} else {
if (RFopt$general$vdim_close_together)
stop("'vdim_close_together' must be FALSE")
l <- list()
vdim <- length(info$varnames)
for (v in 1:vdim)
l[[v]] <-
substring(cn, 1, nchar(info$varnames[v])) == info$varnames[v]
repet <- sapply(l, sum)
if (repet[1] == 0) stop("data names could not be detected")
if (any(repet != repet[1]))
stop("detected repetitions are not equal for all components")
m <- matrix(unlist(l), ncol=vdim)
if (any(rowSums(m) > 1))
stop("names of multivariate components not unique")
is.data <- as.vector(t(apply(m, 2, which)))
}
}
if (all(is.na(info$coordnames))) {
is.x <- (1:ncol(data))[-is.data]
if (xdim > 0) {
if (length(is.x) < xdim)
stop("not enough columns for coordinates found ")
if (xdim < length(is.x) &&
RFopt$general$printLevel >= PL_SUBIMPORTANT)
message("column(s) '", paste(is.x[-1:-xdim], collapse=","),
"' not used.\n")
is.x <- is.x[1:xdim]
}
} else {
if (is.numeric(info$coordnames)) {
is.x <- rep(info$coordnames, length.out=2)
if (is.na(is.x[1])) is.x[1] <- 1
if (is.na(is.x[2])) is.x[2] <- ncol(data)
is.x <- is.x[1] : is.x[2]
} else {
l <- list()
len <- length(info$coordnames)
for (i in 1:len)
l[[v]] <-
substring(cn, 1, nchar(info$coordnames[v])) == info$coordnames[v]
is.x <- unlist(l)
if (xdim > 0 && xdim != length(l))
stop("expected dimension of coordinates does not match the found coordinates")
}
if (all(is.na(info$varnames))) {
is.data <- (1:ncol(data))[-is.x]
if (length(is.data) == 0) stop("no columns for data found")
} else {
if (any(is.x %in% is.data))
stop("column names and data names overlap.")
if (length(is.x) + length(is.data) < ncol(data) &&
RFopt$general$printLevel >= PL_SUBIMPORTANT)
message("column(s) '",
paste(1:ncol[c(-is.x, -is.data)], collapse=","),
"' not used.\n")
}
}
return(list(data=is.data, x=is.x) )
}
GetDataNames <- function(model, coords=NULL, locinfo) {#, data=NULL) {
# if (length(data) > 0) {
# cd <- try(Check Data(model=model, given=coords, data=data))
# if (class(cd) != "try-error")
# return(list(coordnames=cd$coordnames, varnames=cd$varnames))
# }
# Print(missing(model), missing(coords), missing(locinfo))
# Print(model); str(coords); Print(coords); Print(locinfo)
varnames <- extractVarNames(model)
coordnames <-
if (!is.null(coords) && is.matrix(coords)) colnames(coords) else NULL
# gets response part of model, if model is a formula
Zeit <- locinfo$Zeit
# Print(locinfo)
tsdim <- locinfo$spatialdim + locinfo$Zeit
# Print(tsdim)
if (is.null(coordnames)) {
system <- RFoptions()$coords$coord_system
if (system == "earth") {
coordnames <- if (tsdim == 4) ZF_EARTHCOORD_NAMES
else if (tsdim == 2) ZF_EARTHCOORD_NAMES[1:2]
else if (tsdim == 3) c(ZF_EARTHCOORD_NAMES[1:2], "HeightOrTime")
} else if (system == "cartesian" && tsdim <= 4) {
coords <- ZF_CARTCOORD_NAMES[1:tsdim]
if (Zeit) coordnames[tsdim] <- ZF_CARTCOORD_NAMES[4]
} else {
coordnames <- paste(ZF_GENERAL_COORD_NAME[1], 1:tsdim, sep="")
if (Zeit) coordnames[tsdim] <- ZF_GENERAL_COORD_NAME[2]
}
}
return(list(coordnames=coordnames, varnames=varnames))
}
search.model.name <- function(cov, name, level) {
if (length(name) == 0 || length(cov) ==0) return(cov);
if (!is.na(pmatch(name[1], cov))) return(search.model.name(cov, name[-1], 1))
for (i in 1:length(cov$submodels)) {
found <- search.model.name(cov$submodels[[i]], name, 1)
if (!is.null(found)) return(found)
}
found <- search.model.name(cov$internal, name, 1)
if (!is.null(found)) return(found)
if (level == 0) stop("model name not found")
return(NULL)
}
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