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laGP (version 1.1-3)

Local Approximate Gaussian Process Regression

Description

Performs approximate GP regression for large computer experiments and spatial datasets. The approximation is based on finding small local designs for prediction (independently) at particular inputs. OpenMP and SNOW parallelization are supported for prediction over a vast out-of-sample testing set; GPU acceleration is also supported for an important subroutine. OpenMP and GPU features may require special compilation. An interface to lower-level (full) GP inference and prediction is also provided, as are associated wrapper routines for blackbox optimization under constraints via an augmented Lagrangian scheme, and large scale computer model calibration

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Version

Install

install.packages('laGP')

Monthly Downloads

3,679

Version

1.1-3

License

LGPL

Maintainer

Robert Gramacy

Last Published

October 31st, 2014

Functions in laGP (1.1-3)

laGP

Localized Approximate GP Prediction At a Single Input Location
mleGP

Inference for GP correlation parameters
distance

Calculate Euclidean distance between pairs of points
deleteGP

Delete C-side Gaussian Process Objects
optim.auglag

Optimize a linear objective function under multiple blackbox constraints
fcalib

Objective function for performing large scale computer model calibration via optimization
predGP

GP Prediction/Kriging
llikGP

Calculate a GP log likelihood
alcGP

Improvement statistics for sequential or local design
darg

Generate Priors for GP correlation
aGP

Localized Approximate GP Regression For Many Predictive Locations
discrep.est

Estimate Discrepency in Calibration Model
newGP

Create A New GP Object