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###################################################################
# #
# Kriging Funktionen (nur f?r den gebrauch innerhalb von #
# f.kriging.method #
# ch: 22.2.2009 #
# #
###################################################################
#
#
# UK
###################################################################
f.uk.pred <- function(t.lin.trend.est, t.cov.beta.coef, t.weighted.resid,
t.uk.mspe, t.bb.covmat, t.pred.designmat,
t.orth.designmat, t.pred.covmat.ichol.trans)
{
return(
list( t.lin.trend.est + t.weighted.resid,
sqrt( t.uk.mspe[1,1] )) )
}
# CK
###################################################################
f.ck.pred <- function( t.lin.trend.est, t.cov.beta.coef, t.weighted.resid,
t.uk.mspe, t.bb.covmat, t.pred.designmat,
t.orth.designmat, t.pred.covmat.ichol.trans)
{
## simple kriging preditcor covarinace
### t.skvar <- t(t.C) %*% t.inv.Sigma %*% t.C
t.skvar <- tcrossprod( t.pred.covmat.ichol.trans, t.pred.covmat.ichol.trans )
### ordinary case
if( dim(t.cov.beta.coef)[1] == 1){t.pred.designmat<- t( t.pred.designmat )}
# Berechnung der P Matrix
t.calc.P <- f.calc.P( t.bb.covmat = t.bb.covmat,
t.pred.designmat = t.pred.designmat,
t.cov.beta.coef = t.cov.beta.coef)
# Berechnung der Q Matrix
t.calc.Q <- f.calc.Q( t.skvar = t.skvar,
t.pred.covmat.ichol.trans = t.pred.covmat.ichol.trans,
t.orth.designmat = t.orth.designmat,
t.cov.beta.coef = t.cov.beta.coef)
# Berechnug von K
if( is.na( t.calc.P$P1 ) | t.calc.Q$Q1 == 0)
{
t.ck.pred <- NaN
t.ck.mspe <- NaN
t.K <- NaN
warning("CK predictor does not exist !!! \n Prediction is set to NaN.")
}
else
{
t.K <- t.calc.P$P1 / t.calc.Q$Q1
# CK Vorhersage
t.ck.pred <- t.lin.trend.est + t.K * t.weighted.resid
t.ck.mspe <- t.uk.mspe + (t.calc.P$P1 - t.calc.Q$Q1)^2
}
return(list( t.ck.pred , sqrt( t.ck.mspe ), t.calc.P$P1, t.calc.Q$Q1, t.K ) )
}
# CMCK
###################################################################
f.cmck.pred <- function(t.lin.trend.est, t.cov.beta.coef, t.weighted.resid,
t.uk.mspe, t.bb.covmat, t.pred.designmat,
t.orth.designmat, t.pred.covmat.ichol.trans)
{
## simple kriging preditcor covarinace
### t.skvar <- t(t.C) %*% t.inv.Sigma %*% t.C
t.skvar <- tcrossprod( t.pred.covmat.ichol.trans, t.pred.covmat.ichol.trans)
### ordinary case
#if( dim(t.cov.beta.coef)[1] == 1){t.pred.designmat <- t( t.pred.designmat )}
# Berechnung der P Matrix
t.calc.P <- f.calc.P( t.bb.covmat = t.bb.covmat,
t.pred.designmat = t.pred.designmat,
t.cov.beta.coef = t.cov.beta.coef)
# Berechnung der Q Matrix
t.calc.Q <- f.calc.Q( t.skvar = t.skvar,
t.pred.covmat.ichol.trans = t.pred.covmat.ichol.trans,
t.orth.designmat = t.orth.designmat,
t.cov.beta.coef = t.cov.beta.coef)
# Berechnung der K Marix
t.K.cmck <- tcrossprod( t.calc.Q$iQ1 , t.calc.P$P1)
## Warnung falls Matrix K nicht existiert
if( sum(is.nan(t.K.cmck)) > 0 )
{
warning("CMCK predictor does not exist !!! \n Prediction is set to NaN.")
}
# CMCK Vorhersage
# Xm beta + K'C'Sigma Resid
t.CMCK.PRED <- t.lin.trend.est + crossprod( t.K.cmck, t.weighted.resid )
# CMCK Quadrierter Vorhersagefehler
t.cmck.mspe <- t.uk.mspe + (t.calc.P$P1 - t.calc.Q$Q1) %*% (t.calc.P$P1 - t.calc.Q$Q1)
return(list( t.CMCK.PRED,
t.cmck.mspe ,
t.calc.P$P1,
t.calc.Q$Q1,
t.K.cmck ) )
}
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