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multivar: Penalized Estimation of Multiple-Subject Vector Autoregressive Models

Simulate, estimate, and forecast vector autoregressive (VAR) models for multiple-subject data using structured penalization. Decomposes dynamics into shared (common) and subject-specific (unique) components via adaptive LASSO with FISTA optimization. Supports cross-validation and extended BIC model selection and subgroup detection, and time-varying parameters.

Version: 1.4.0
Depends: R (≥ 3.5.0)
Imports: methods, stats, utils, MASS, Rcpp (≥ 1.0.3), Matrix, ggplot2, vars, reshape2, glmnet, igraph, viridis, scales
LinkingTo: Rcpp, RcppArmadillo
Published: 2026-03-30
DOI: 10.32614/CRAN.package.multivar
Author: Zachary Fisher [aut, cre], Christopher Crawford [aut], Younghoon Kim [ctb], Vladas Pipiras [ctb]
Maintainer: Zachary Fisher <fish.zachary at gmail.com>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: yes
Materials: README
CRAN checks: multivar results

Documentation:

Reference manual: multivar.html , multivar.pdf

Downloads:

Package source: multivar_1.4.0.tar.gz
Windows binaries: r-devel: multivar_1.4.0.zip, r-release: multivar_1.4.0.zip, r-oldrel: multivar_1.3.0.zip
macOS binaries: r-release (arm64): multivar_1.4.0.tgz, r-oldrel (arm64): multivar_1.3.0.tgz, r-release (x86_64): multivar_1.4.0.tgz, r-oldrel (x86_64): multivar_1.4.0.tgz
Old sources: multivar 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.