Afun | R Documentation |
Returns the matrix of correlations of code output at each level evaluated at points on the design matrix.
Afun(level, Di, Dj, hpa)
level |
The level. This enters via the correlation scales |
Di |
First set of points |
Dj |
Second set of points |
hpa |
Hyperparameter object |
This is essentially a convenient wrapper for function
corr.matrix
. It is not really intended for the end user.
Robin K. S. Hankin
M. C. Kennedy and A. O'Hagan 2000. “Predicting the output from a complex computer code when fast approximations are available” Biometrika, 87(1): pp1-13
corr
,c_fun
data(toyapps)
D2 <- D1.toy[subsets.toy[[2]],]
D3 <- D1.toy[subsets.toy[[3]],]
Afun(1,D2,D3,hpa.toy)
Afun(2,D2,D3,hpa.toy)
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