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emulator: Bayesian Emulation of Computer Programs

Allows one to estimate the output of a computer program, as a function of the input parameters, without actually running it. The computer program is assumed to be a Gaussian process, whose parameters are estimated using Bayesian techniques that give a PDF of expected program output. This PDF is conditional on a training set of runs, each consisting of a point in parameter space and the model output at that point. The emphasis is on complex codes that take weeks or months to run, and that have a large number of undetermined input parameters; many climate prediction models fall into this class. The emulator essentially determines Bayesian posterior estimates of the PDF of the output of a model, conditioned on results from previous runs and a user-specified prior linear model. The package includes functionality to evaluate quadratic forms efficiently.

Version:1.2-24
Depends:R (≥ 3.0.1),mvtnorm
Suggests:knitr,rmarkdown
Published:2024-03-22
DOI:10.32614/CRAN.package.emulator
Author:Robin K. S. HankinORCID iD [aut, cre]
Maintainer:Robin K. S. Hankin <hankin.robin at gmail.com>
BugReports:https://github.com/RobinHankin/emulator/issues
License:GPL-2 |GPL-3 [expanded from: GPL]
URL:https://github.com/RobinHankin/emulator
NeedsCompilation:no
Citation:emulator citation info
Materials:README
CRAN checks:emulator results

Documentation:

Reference manual:emulator.html ,emulator.pdf
Vignettes:Emulex: a cookbook for the emulator package (source,R code)

Downloads:

Package source: emulator_1.2-24.tar.gz
Windows binaries: r-devel:emulator_1.2-24.zip, r-release:emulator_1.2-24.zip, r-oldrel:emulator_1.2-24.zip
macOS binaries: r-release (arm64):emulator_1.2-24.tgz, r-oldrel (arm64):emulator_1.2-24.tgz, r-release (x86_64):emulator_1.2-24.tgz, r-oldrel (x86_64):emulator_1.2-24.tgz
Old sources: emulator archive

Reverse dependencies:

Reverse depends:approximator,BACCO,calibrator
Reverse imports:BayesianTools,cmvnorm,multivator,onion,RobinCar,splmm
Reverse suggests:clifford,elliptic

Linking:

Please use the canonical formhttps://CRAN.R-project.org/package=emulatorto link to this page.


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