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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. Hankin ORCID 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.pdf
Vignettes: Emulex: a cookbook for the emulator package

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, cmvnorm
Reverse imports: BayesianTools, lorentz, multivator, onion, RobinCar, splmm
Reverse suggests: elliptic

Linking:

Please use the canonical form https://CRAN.R-project.org/package=emulator to link to this page.

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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