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plgp (version 1.0)

Particle Learning of Gaussian Processes

Description

Sequential Monte Carlo inference for fully Bayesian Gaussian process (GP) regression and classification models by particle learning (PL). The sequential nature of inference and the active learning (AL) hooks provided facilitate thrifty sequential design (by entropy) and optimization (by improvement) for classification and regression models, respectively. This package essentially provides a generic PL interface, and functions (arguments to the interface) which implement the GP models and AL heuristics. Functions for a special, linked, regression/classification GP model and an integrated expected conditional improvement (IECI) statistic is provides for optimization in the presence of unknown constraints. See the examples section of ?plgp and demo(package="plgp") for an index of examples

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Version

Install

install.packages('plgp')

Monthly Downloads

335

Version

1.0

License

LGPL

Maintainer

Robert Gramacy

Last Published

May 1st, 2010

Functions in plgp (1.0)

propagate.GP

PL propagate rule for GPs
pred.GP

Prediction for GPs
papply

Extending apply to particles
PL

Particle Learning Skeleton Method
plgp-internal

Internal Monomvn Functions
addpall.GP

Add data to pall
prior.GP

Generate priors for GP models
lpredprob.GP

Log-Predictive Probability Calculation for GPs
plgp-package

Particle Learning of Gaussian Processes
draw.GP

Metropolis-Hastings draw for GP parameters
data.GP

Supply GP data to PL
rectscale

Un/Scale data in a bounding rectangle
exp2d.C

2-d Exponential Hessian Data
params.GP

Extract parameters from GP particles
init.GP

Initialize particles for GPs