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SPEV: Unsmoothed and Smoothed Penalized PCA using Nesterov Smoothing

We provide functionality to implement penalized PCA with an option to smooth the objective function using Nesterov smoothing. Two functions are available to compute a user-specified number of eigenvectors. The function unsmoothed_penalized_EV() computes a penalized PCA without smoothing and has three parameters (the input matrix, the Lasso penalty, and the number of desired eigenvectors). The function smoothed_penalized_EV() computes a smoothed penalized PCA using the same parameters and additionally requires the specification of a smoothing parameter. Both functions return a matrix having the desired eigenvectors as columns.

Version: 1.0.0
Imports: stats
Published: 2023-08-17
DOI: 10.32614/CRAN.package.SPEV
Author: Rebecca Hurwitz [aut, cre], Georg Hahn [ctb]
Maintainer: Rebecca Hurwitz <rebeccahurwitz at hsph.harvard.edu>
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
NeedsCompilation: no
CRAN checks: SPEV results

Documentation:

Reference manual: SPEV.pdf

Downloads:

Package source: SPEV_1.0.0.tar.gz
Windows binaries: r-devel: SPEV_1.0.0.zip, r-release: SPEV_1.0.0.zip, r-oldrel: SPEV_1.0.0.zip
macOS binaries: r-release (arm64): SPEV_1.0.0.tgz, r-oldrel (arm64): SPEV_1.0.0.tgz, r-release (x86_64): SPEV_1.0.0.tgz, r-oldrel (x86_64): SPEV_1.0.0.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.