https://github.com/cran/fields
Tip revision: 04279c16ce718b82025aae97f6fcd30ba3a8b1c5 authored by Doug Nychka on 05 September 2011, 20:18:33 UTC
version 6.6
version 6.6
Tip revision: 04279c1
summary.Krig.R
# fields, Tools for spatial data
# Copyright 2004-2011, Institute for Mathematics Applied Geosciences
# University Corporation for Atmospheric Research
# Licensed under the GPL -- www.gpl.org/licenses/gpl.html
"summary.Krig" <- function(object, digits = 4, ...) {
x <- object
# lambda est may not be available if lambda has been supplied by user.
if (!is.na(x$lambda.est[1])) {
l.est <- x$lambda.est
}
else {
l.est <- NA
}
summary <- list(call = x$call, num.observation = length(x$residuals),
enp = x$eff.df, nt = x$nt, df.drift = sum(x$ind.drift),
res.quantile = quantile(x$residuals, seq(0, 1, 0.25)),
shat.MLE = x$shat.MLE, shat.GCV = x$shat.GCV, rhohat = x$rhohat,
m = x$m, lambda = x$lambda, cost = x$cost, rho = x$rho,
sigma2 = x$sigma2, num.uniq = length(x$yM), knot.model = x$knot.model,
np = x$np, method = x$method, lambda.est = l.est, shat.pure.error = x$shat.pure.error,
args = x$args)
class(summary) <- "summary.Krig"
summary$covariance <- cor(x$fitted.values * sqrt(x$weights),
(x$y) * sqrt(x$weights))^2
hold <- (sum((x$y - mean(x$y))^2) - sum(x$residuals^2))/(sum((x$y -
mean(x$y))^2))
summary$adjr2 <- 1 - ((length(x$residuals) - 1)/(length(x$residuals) -
x$eff.df)) * (1 - hold)
summary$digits <- digits
summary$cov.function <- as.character(x$cov.function.name)
summary$correlation.model <- x$correlation.model
summary$sum.gcv.lambda <- summary.gcv.Krig(x, x$lambda)
summary
}