swh:1:snp:33a53053e50f7abe7d281cc0c803be827debf4a3
Tip revision: 0d54c223814f3b1cd7515490af55d9e099a134f4 authored by Edzer J. Pebesma on 13 April 2007, 14:45:18 UTC
version 0.9-38
version 0.9-38
Tip revision: 0d54c22
krige.R
# $Id: krige.q,v 1.14 2007-02-27 22:09:32 edzer Exp $
if (!isGeneric("krige"))
setGeneric("krige", function(formula, locations, ...)
standardGeneric("krige"))
"krige.locations" <-
function (formula, locations, data = sys.frame(sys.parent()),
newdata, model = NULL, ..., beta = NULL, nmax = Inf, nmin = 0,
maxdist = Inf, block = numeric(0), nsim = 0, indicators = FALSE,
na.action = na.pass, debug.level = 1)
{
g = gstat(formula = formula, locations = locations, data = data,
model = model, beta = beta, nmax = nmax, nmin = nmin,
maxdist = maxdist, ...)
predict.gstat(g, newdata = newdata, block = block, nsim = nsim,
indicators = indicators, na.action = na.action, debug.level = debug.level)
}
setMethod("krige", c("formula", "formula"), krige.locations)
krige.spatial <- function(formula, locations, newdata, model = NULL, ...,
beta = NULL, nmax = Inf, nmin = 0, maxdist = Inf, block = numeric(0),
nsim = 0, indicators = FALSE, na.action = na.pass, debug.level = 1)
{
# locations = coordinates(arg2)
g = gstat(formula = formula, # locations = locations,
data = locations,
model = model, beta = beta, nmax = nmax, nmin = nmin,
maxdist = maxdist, ...)
predict.gstat(g, newdata = newdata, block = block, nsim = nsim,
indicators = indicators, na.action = na.action, debug.level = debug.level)
}
setMethod("krige", c("formula", "Spatial"), krige.spatial)
setMethod("krige", c("formula", "NULL"), krige.spatial)
if (!isGeneric("idw"))
setGeneric("idw", function(formula, locations, ...)
standardGeneric("idw"))
idw.locations <-
function (formula, locations, data = sys.frame(sys.parent()),
newdata, nmax = Inf, nmin = 0, maxdist = Inf, block = numeric(0),
na.action = na.pass, idp = 2.0) {
krige(formula, locations, data, newdata, nmax = nmax, nmin = nmin,
maxdist = maxdist, block = block, na.action = na.action,
set = list(idp = idp))
}
setMethod("idw", c("formula", "formula"), idw.locations)
idw.spatial <-
function (formula, locations,
newdata, nmax = Inf, nmin = 0, maxdist = Inf, block = numeric(0),
na.action = na.pass, idp = 2.0) {
krige(formula, locations, newdata, nmax = nmax, nmin = nmin,
maxdist = maxdist, block = block, na.action = na.action,
set = list(idp = idp), model = NULL)
}
setMethod("idw", c("formula", "Spatial"), idw.spatial)