https://github.com/cran/fields
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Tip revision: 6769ffc81115fbf0bf7d9c566cf7ac81be0049dc authored by Doug Nychka on 25 July 2005, 00:00:00 UTC
version 3.04
Tip revision: 6769ffc
Krig.fgcv.model.r
"Krig.fgcv.model" <-
function(lam, obj)
{
	lD <- obj$matrices$D * lam
	MSE <- sum(((obj$matrices$u * lD)/(1 + lD))^2)/length(lD)
	trA <- sum(1/(1 + lD))
	den <- (1 - (obj$cost * (trA - obj$nt - obj$offset) + obj$nt)/length(
		lD))
	ifelse(den > 0, obj$shat.pure.error^2 + MSE/den^2, NA)
}
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