rqPen: Penalized Quantile Regression

Performs penalized quantile regression with LASSO, elastic net, SCAD and MCP penalty functions including group penalties. In addition, offers a group penalty that provides consistent variable selection across quantiles. Provides a function that automatically generates lambdas and evaluates different models with cross validation or BIC, including a large p version of BIC. Below URL provides a link to article in the R Journal.

Getting started

Package details

AuthorBen Sherwood [aut, cre], Shaobo Li [aut], Adam Maidman [aut]
MaintainerBen Sherwood <ben.sherwood@ku.edu>
LicenseMIT + file LICENSE
Version4.2
URL https://journal.r-project.org/articles/RJ-2025-017/
Package repositoryView on CRAN
Installation Install the latest version of this package by entering the following in R:
install.packages("rqPen")

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rqPen documentation built on Feb. 4, 2026, 9:07 a.m.