Description Introduction UP Distribution Methods Applications See Also Examples
UP
is a package that provides universal method for surrogate models: A package with extensible options and various
UP-based algorithms for optimization, refienment and inversion.
Universal Prediction Distribution for surrogate models is an efficient too for adaptive designs. It allows the extension of many algorithms defined for the Gaussian case for all types of surrogates
UP
of a surogate model is given by the prediction of its submodels defined by a resampling technique.
The package also contains several algorihms that uses the UP distribution such as:
upego
, upsmart
, upinverse
and ga
model selection.
UP
applications are diverse. We can cite mainely: sequential sampling, optimization and model selection.
UP
is always useful when one uses surrogate modeling paradigm.
1 2 3 4 5 6 7 8 9 | library(UP)
x <- as.matrix(c(-2.6,-0.2, 1.7,-1.4,1.2,3))
y <- c(0.8, 0.5, 0.1, 0.3, 0, 0.4)
xverif <- seq(-3, 3, length.out =300)
krig <- krigingsm$new()
resampling <- UPClass$new(x, y, Scale =TRUE)
upsm <- UPSM$new(sm= krig, UP= resampling)
prediction <- upsm$uppredict(xverif)
plotUP1D(xverif, prediction, x, y)
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