Dakota Reference Manual  Version 6.4
Large-Scale Engineering Optimization and Uncertainty Analysis
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emulator


Use an emulator or surrogate model to evaluate the likelihood function

Specification

Alias: none

Argument(s): none

Required/Optional Description of Group Dakota Keyword Dakota Keyword Description
Required
(Choose One)
emulator type (Group 1) gaussian_process

Gaussian Process surrogate model

pce

Polynomial Chaos Expansion surrogate model

sc

Stochastic Collocation polynomial surrogate model

Optional use_derivatives

Use derivative data to construct surrogate models

Description

This keyword describes the type of emulator used when calculating the likelihood function for the Bayesian calibration. The emulator can be a Gaussian process, polynomial chaos expansion, or stochastic collocation.