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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
|
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 |
Reference manual: | emulator.pdf |
Vignettes: |
Emulex: a cookbook for the emulator package |
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 depends: | approximator, BACCO, calibrator, cmvnorm |
Reverse imports: | BayesianTools, lorentz, multivator, onion, RobinCar, splmm |
Reverse suggests: | elliptic |
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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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