Number added to design each batch
for now only on predictions
corr
Name of correlation function to use. Must be one of "CauchySQT",
"CauchySQ", "Cauchy", "Gaussian", "PowerExp", "Matern32", "Matern52".
grid_sizes
Size of grid refinements.
Xs
Supplemental X data
Ys
Supplemental Y data
HandlingSuppData
How should supplementary data be handled?
* Correct: full likelihood with grid and supplemental data
* Only: only use supplemental data
* Ignore: ignore supplemental data