https://github.com/cran/fields
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Tip revision: 0ff92645c153fb370ec33a05dc34881dac7598a7 authored by Doug Nychka on 13 January 2003, 16:33:19 UTC
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)
}
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