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twig: For Streamlining Decision and Economic Evaluation Models using Grammar of Modeling

Provides tools for building decision and cost-effectiveness analysis models. It enables users to write these models concisely, simulate outcomes—including probabilistic analyses—efficiently using optimized vectorized processes and parallel computing, and produce results. The package employs a Grammar of Modeling approach, inspired by the Grammar of Graphics, to streamline model construction. For an interactive graphical user interface, see 'DecisionTwig' at <https://www.dashlab.ca/projects/decision_twig/>. Comprehensive tutorials and vignettes are available at <https://hjalal.github.io/twig/>.

Version: 1.0.0.0
Imports: ggplot2, parallel, foreach, utils, stats, reshape2, abind, doParallel
Suggests: knitr, rmarkdown
Published: 2025-01-16
DOI: 10.32614/CRAN.package.twig
Author: Hawre Jalal ORCID iD [aut, cre]
Maintainer: Hawre Jalal <hjalal at uottawa.ca>
BugReports: https://github.com/hjalal/twig/issues
License: GPL (≥ 3)
URL: https://www.dashlab.ca/, https://hjalal.github.io/twig/, https://www.dashlab.ca/projects/decision_twig/
NeedsCompilation: no
Materials: README
CRAN checks: twig results

Documentation:

Reference manual: twig.pdf
Vignettes: Decision Tree Herpes Virus Encephalopathy (source, R code)
A Tutorial for Time Dependent Markov Model (source, R code)

Downloads:

Package source: twig_1.0.0.0.tar.gz
Windows binaries: r-devel: twig_1.0.0.0.zip, r-release: not available, r-oldrel: twig_1.0.0.0.zip
macOS binaries: r-release (arm64): twig_1.0.0.0.tgz, r-oldrel (arm64): twig_1.0.0.0.tgz, r-release (x86_64): twig_1.0.0.0.tgz, r-oldrel (x86_64): twig_1.0.0.0.tgz

Linking:

Please use the canonical form https://CRAN.R-project.org/package=twig 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.