sparsestep: SparseStep Regression

Implements the SparseStep model for solving regression problems with a sparsity constraint on the parameters. The SparseStep regression model was proposed in Van den Burg, Groenen, and Alfons (2017) <>. In the model, a regularization term is added to the regression problem which approximates the counting norm of the parameters. By iteratively improving the approximation a sparse solution to the regression problem can be obtained. In this package both the standard SparseStep algorithm is implemented as well as a path algorithm which uses golden section search to determine solutions with different values for the regularization parameter.

Version: 1.0.0
Depends: R (≥ 3.0.0), Matrix (≥ 1.0-6)
Imports: graphics
Published: 2017-01-27
Author: Gertjan van den Burg [aut, cre], Patrick Groenen [ctb], Andreas Alfons [ctb]
Maintainer: Gertjan van den Burg <gertjanvandenburg at>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
Classification/MSC: 62J05, 62J07
Citation: sparsestep citation info
CRAN checks: sparsestep results


Reference manual: sparsestep.pdf
Package source: sparsestep_1.0.0.tar.gz
Windows binaries: r-devel:, r-release:, r-oldrel:
OS X binaries: r-release: sparsestep_1.0.0.tgz, r-oldrel: sparsestep_1.0.0.tgz


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