Function reference • dgpsi

Initalization

The function to initiate the underlying Python environment.

init_py(): 'python' environment initialization

Basic Nodes

Functions to customize stuctures of GP and DGP emulators.

kernel(): Initialize a Gaussian process node

Hetero(): Initialize a heteroskedastic Gaussian likelihood node

Poisson(): Initialize a Poisson likelihood node

NegBin(): Initialize a negative Binomial likelihood node

GP, DGP, and Linked (D)GP Emulations

Functions to train, validate, and make predictions from GP, DGP, and Linked (D)GP emulators.

gp(): Gaussian process emulator construction

dgp(): Deep Gaussian process emulator construction

lgp(): Linked (D)GP emulator construction

continue(): Continue the training of a DGP emulator

combine(): Combine layers

predict(<dgp>) predict(<lgp>) predict(<gp>): Predictions from GP, DGP, or linked (D)GP emulators

validate(): Validate a constructed GP, DGP, or linked (D)GP emulator

plot(<dgp>) plot(<lgp>) plot(<gp>): Validation plots of a constructed GP, DGP, or linked (D)GP emulator

prune(): Static pruning of a DGP emulator

Sequential Design

Functions to implement sequential designs for (D)GP and bundles of (D)GP emulators.

design(): Sequential design of a (D)GP emulator or a bundle of (D)GP emulators

alm(): Locate the next design point for a (D)GP emulator or a bundle of (D)GP emulators using ALM

mice(): Locate the next design point for a (D)GP emulator or a bundle of (D)GP emulators using MICE

vigf(): Locate the next design point for a (D)GP emulator or a bundle of (D)GP emulators using VIGF

pei(): Locate the next design point for a (D)GP emulator or a bundle of (D)GP emulators using PEI

update(): Update a GP or DGP emulator

draw(): Validation plots of a sequential design

pack(): Pack GP and DGP emulators into a bundle

unpack(): Unpack a bundle of (D)GP emulators

Helpers

summary(<gp>) summary(<dgp>) summary(<lgp>): Summary of a constructed GP, DGP, or linked (D)GP emulator

write(): Save the constructed emulator

read(): Load the stored emulator

set_seed(): Random seed generator

set_linked_idx(): Set linked indices

set_imp(): Reset number of imputations for a DGP emulator

window(): Trim the sequences of model parameters of a DGP emulator

trace_plot(): Plot of DGP model parameter traces

nllik(): Calculate negative predicted log-likelihood