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iterLap: Approximate Probability Densities by Iterated Laplace Approximations

The iterLap (iterated Laplace approximation) algorithm approximates a general (possibly non-normalized) probability density on R^p, by repeated Laplace approximations to the difference between current approximation and true density (on log scale). The final approximation is a mixture of multivariate normal distributions and might be used for example as a proposal distribution for importance sampling (eg in Bayesian applications). The algorithm can be seen as a computational generalization of the Laplace approximation suitable for skew or multimodal densities.

Version: 1.1-4
Depends: quadprog, randtoolbox, parallel, R (≥ 2.15)
Published: 2023-09-30
DOI: 10.32614/CRAN.package.iterLap
Author: Bjoern Bornkamp
Maintainer: Bjoern Bornkamp <bbnkmp at mail.de>
License: GPL-2 | GPL-3 [expanded from: GPL]
NeedsCompilation: yes
Citation: iterLap citation info
In views: Bayesian
CRAN checks: iterLap results

Documentation:

Reference manual: iterLap.pdf

Downloads:

Package source: iterLap_1.1-4.tar.gz
Windows binaries: r-devel: iterLap_1.1-4.zip, r-release: iterLap_1.1-4.zip, r-oldrel: iterLap_1.1-4.zip
macOS binaries: r-release (arm64): iterLap_1.1-4.tgz, r-oldrel (arm64): iterLap_1.1-4.tgz, r-release (x86_64): iterLap_1.1-4.tgz, r-oldrel (x86_64): iterLap_1.1-4.tgz
Old sources: iterLap archive

Linking:

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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.