quadrupen: Sparse and Group Sparse Linear Models

Fits the solution paths of classical sparse regression models with efficient active set algorithms by solving small sub-problems. Include LASSO, SCAD, MCP, (Sparse) Group-LASSO, Cooperative-LASSO, (Group) LAVA, (Generalized) Fused-Lasso and (Generalized) Elastic-Net. Also provides methods for model selection purpose (information criteria, cross-validation, stability selection).

Package details

AuthorJulien Chiquet [aut, cre] (ORCID: <https://orcid.org/0000-0002-3629-3429>)
MaintainerJulien Chiquet <julien.chiquet@inrae.fr>
LicenseGPL (>= 3)
Version1.1-0
URL https://github.com/jchiquet/quadrupen  https://jchiquet.github.io/quadrupen/ 
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("quadrupen")

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quadrupen documentation built on Sept. 18, 2026, 1:06 a.m.