https://github.com/cran/fields
Tip revision: 0ff92645c153fb370ec33a05dc34881dac7598a7 authored by Doug Nychka on 13 January 2003, 16:33:19 UTC
version 1.3
version 1.3
Tip revision: 0ff9264
krig.image.parameters.R
"krig.image.parameters" <-
function (out)
{
nt <- out$qr.T$rank
n <- length(out$yM)
delta <- qr.qy(out$qr.T, c(rep(0, nt), out$omega2))
temp <- out$yM - (out$cov.function(out$indexM, , delta, cov.obj = out$cov.obj) +
out$lambda * out$weightsM * delta)
beta <- qr.coef(out$qr.T, temp)
rhohat <- sum(delta * out$yM)/(n - nt)
rho <- rhohat
sigma2 <- rho * out$lambda
shat.MLE <- sqrt(rhohat * out$lambda)
return(beta, delta, rhohat, rho, sigma2, shat.MLE)
}