neg_log_marginal_post_ref_ppgasp | R Documentation |
Negative natural logarithm of marginal posterior density (with regard to a specific parameterization) of the PP GaSP model with reference prior of inverse range parameter (beta parameterization) after marginalizing out the mean (trend) and variance parameters by the location-scale prior.
neg_log_marginal_post_ref_ppgasp(param, nugget, nugget.est
,R0, X, zero_mean,output, prior_choice,kernel_type, alpha)
param |
a vector of natural logarithm of inverse-range parameters and natural logarithm of the noise-variance ratio parameter. |
nugget |
the noise-variance ratio parameter if this parameter is fixed. |
nugget.est |
Boolean value of whether the nugget is estimated or fixed. |
R0 |
a list of matrix where the j-th matrix is an absolute difference matrix of the j-th input vector. |
X |
the mean basis function i.e. the trend function. |
zero_mean |
the mean basis function is zero or not. |
output |
the output matrix. |
prior_choice |
parameterization: |
kernel_type |
type of kernel. |
alpha |
roughness parameters in the kernel functions. |
The negative natural logarithm of marginal posterior density with reference prior with regard to a specific parameterization.
Mengyang Gu [aut, cre], Jesus Palomo [aut], James Berger [aut]
Maintainer: Mengyang Gu <mengyang@pstat.ucsb.edu>
M. Gu. and J.O. Berger (2016). Parallel partial Gaussian process emulation for computer models with massive output. Annals of Applied Statistics, 10(3), 1317-1347.
M. Gu. (2016). Robust Uncertainty Quantification and Scalable Computation for Computer Models with Massive Output. Ph.D. thesis. Duke University.
M. Gu (2018), Jointly Robust Prior for Gaussian Stochastic Process in Emulation, Calibration and Variable Selection, arXiv:1804.09329.
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