Constrained B-Splines (Sparse Matrix Based) R package cobs version 1.3-9-1 Qualitatively Constrained (Regression) Smoothing Splines via Linear Programming and Sparse Matrices. Software Imports: SparseM (>= 1.6), quantreg (>= 4.65), grDevices, graphics, splines, stats, methods Suggests: Matrix Martin Maechler <maechler@stat.math.ethz.ch> Comprehensive R Archive Network (CRAN) Pin T. Ng [aut], Martin Maechler [aut, cre] (ORCID: <https://orcid.org/0000-0002-8685-9910>) GPL (>= 2) 2025-07-02 application/tgz https://CRAN.R-project.org/package=cobs doi:10.32614/CRAN.package.cobs