Hyperparameter object. If NULL, use the internal
(true but unknown) hyperparameter object
betas
Regression coefficients. If NULL, use the internal
(true but unknown) regression coefficients
export.truth
Boolean, with default FALSE meaning to
return synthetic observations and TRUE meaning to return the
actual hyperparameters and coefficients.
Author
Robin K. S. Hankin
References
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