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stablespec: Stable Specification Search in Structural Equation Models

An exploratory and heuristic approach for specification search in Structural Equation Modeling. The basic idea is to subsample the original data and then search for optimal models on each subset. Optimality is defined through two objectives: model fit and parsimony. As these objectives are conflicting, we apply a multi-objective optimization methods, specifically NSGA-II, to obtain optimal models for the whole range of model complexities. From these optimal models, we consider only the relevant model specifications (structures), i.e., those that are both stable (occur frequently) and parsimonious and use those to infer a causal model.

Version: 0.3.0
Depends: R (≥ 3.1.0)
Imports: ggm, matrixcalc, sem, nsga2R, graph, Rgraphviz, methods, polycor, foreach
Suggests: testthat
Published: 2017-04-05
DOI: 10.32614/CRAN.package.stablespec
Author: Ridho Rahmadi [aut, cre], Perry Groot [aut, ths], Tom Heskes [aut, ths], Christoph Stich [ctb]
Maintainer: Ridho Rahmadi <r.rahmadi at cs.ru.nl>
BugReports: https://github.com/rahmarid/stablespec/issues
License: MIT + file LICENSE
URL: https://github.com/rahmarid/stablespec
NeedsCompilation: no
CRAN checks: stablespec results

Documentation:

Reference manual: stablespec.pdf

Downloads:

Package source: stablespec_0.3.0.tar.gz
Windows binaries: r-devel: stablespec_0.3.0.zip, r-release: stablespec_0.3.0.zip, r-oldrel: stablespec_0.3.0.zip
macOS binaries: r-release (arm64): stablespec_0.3.0.tgz, r-oldrel (arm64): stablespec_0.3.0.tgz, r-release (x86_64): stablespec_0.3.0.tgz, r-oldrel (x86_64): stablespec_0.3.0.tgz
Old sources: stablespec 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.