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BsplineQuantReg: 'Constrained Quantile Regression with Cubic B-Splines'

Quantile regression with cubic B-splines under monotonicity and convexity constraints using the Karlin-Studden SOCP formulation. The method is described in Abbes (2026) <doi:10.5281/zenodo.17427913>. This R implementation is intended for demonstration and prototyping; all B-spline and polynomial functions have been rewritten for consistency. A faster version written in 'Python' is available at <https://github.com/alexandreabbes/Constrained-Quantile-Regression-with-cubic-splines>.

Version: 0.1.0
Depends: R (≥ 3.5.0)
Imports: CVXR
Suggests: cobs, quantreg, pracma
Published: 2026-06-23
DOI: 10.32614/CRAN.package.BsplineQuantReg
Author: Alexandre Abbes [aut, cre]
Maintainer: Alexandre Abbes <alexandre.abbes at proton.me>
BugReports: https://github.com/alexandreabbes/BsplineQuantReg/issues
License: GPL-3
URL: https://github.com/alexandreabbes/BsplineQuantReg, https://doi.org/10.5281/zenodo.17427913
NeedsCompilation: no
Citation: BsplineQuantReg citation info
Materials: README
CRAN checks: BsplineQuantReg results

Documentation:

Reference manual: BsplineQuantReg.html , BsplineQuantReg.pdf

Downloads:

Package source: BsplineQuantReg_0.1.0.tar.gz
Windows binaries: r-devel: BsplineQuantReg_0.1.0.zip, r-release: BsplineQuantReg_0.1.0.zip, r-oldrel: BsplineQuantReg_0.1.0.zip
macOS binaries: r-release (arm64): BsplineQuantReg_0.1.0.tgz, r-oldrel (arm64): BsplineQuantReg_0.1.0.tgz, r-release (x86_64): BsplineQuantReg_0.1.0.tgz, r-oldrel (x86_64): BsplineQuantReg_0.1.0.tgz

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.
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