Nothing
# $Id: fit.variogram.reml.q,v 1.14 2009-11-02 21:33:17 edzer Exp $
"fit.variogram.reml" <-
function (formula, locations, data, model, debug.level = 1, set, degree = 0)
{
if (missing(formula))
stop("nothing to fit to")
if (!inherits(formula, "formula"))
stop("first argument should be of class formula")
if (!missing(locations)) {
if (inherits(locations, "formula"))
coordinates(data) = locations
else if (is(locations, "Spatial"))
data = as(locations, "SpatialPointsDataFrame")
}
if (!is(data, "SpatialPointsDataFrame"))
stop("data should (now) be of class SpatialPointsDataFrame")
if (missing(model))
stop("no model to fit")
if (!inherits(model, "variogramModel"))
stop("model should be of class variogramModel (use vgm)")
fit.sills = rep(TRUE, length(model$model))
fit.ranges = rep(FALSE, length(model$model))
.Call(gstat_init, as.integer(debug.level))
ret = gstat.formula(formula, data)
ret$y <- residuals(lm(formula, data))
.Call(gstat_new_data, as.double(ret$y), as.double(ret$locations),
as.double(ret$X), as.integer(1), double(0), as.integer(-1),
as.integer(0), as.double(-1), as.integer(0), as.integer(1),
double(0), double(0), as.integer(degree),
as.integer(is.projected(data)), as.integer(0),
as.double(1.0), as.integer(0))
load.variogram.model(model)
if (!missing(set))
gstat.load.set(set)
ret = .Call(gstat_fit_variogram, as.integer(5),
as.integer(fit.sills), as.integer(fit.ranges))
.Call(gstat_exit, 0)
model$psill = ret[[1]]
model$range = ret[[2]]
model
}
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