WoodburyMatrix

0.0.4

Fast Matrix Operations via the Woodbury Matrix Identity

0packages depend

3.2Kdownloads / year

100.0%test coverage

13/13checks pass

Overview

About

Maintained by Michael BertolacciFirst published 2020-08-104 releasesCRAN page ↗GitHub ↗

A hierarchy of classes and methods for manipulating matrices formed implicitly from the sums of the inverses of other matrices, a situation commonly encountered in spatial statistics and related fields. Enables easy use of the Woodbury matrix identity and the matrix determinant lemma to allow computation (e.g., solving linear systems) without having to form the actual matrix. More information on the underlying linear algebra can be found in Harville, D. A. (1997) doi:10.1007/b98818.

Install

R (CRAN)pak (dev)Ubuntu (r2u)openSUSE (OBS)

install.packages("WoodburyMatrix", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("mbertolacci/WoodburyMatrix")

Development version from mbertolacci/WoodburyMatrix. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-woodburymatrix

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-WoodburyMatrix

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 2.1 min · r-oldrel-windows-x86_64

Check history

OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

Documentation signals are not tracked yet for this package.

Downloads

3.2K

CRAN downloads in the past year

Rank #12,557 · ~9/day · ~264/mo

WoodburyMatrix Releases R versions

Daily download trend is not available in this view yet.

34730 days

83190 days

3.2K1 year

Compare downloads with other packages →

Also on190 r2u31 autocran

Repository

GitHub ↗ mbertolacci/woodburymatrix

3Stars

0Forks

1Open issues

0Open PRs

0Releases

43Commits

1Contributors

43 commits · Last activity 2025-09-02

Repository practices

Upstream repositoryBeta

3 development-tooling and community-health practices detected across 3 families in the upstream repository

Checks run against github.com/mbertolacci/woodburymatrix on 2026-07-19.

Continuous integration (1)

GitHub Actions

CRAN release process (1)

cran-comments.md

Lint, format, editor (1)

lintr

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

5 external dependencies (excludes base and recommended)

Depends (0)

none

Imports (2)

Matrixmethods

LinkingTo (0)

none

Suggests (5)

covr lintr testthat knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

People & History

People (1)

Maintainer (1)

Michael Bertolacci

Author, Maintainer, Copyright holder

Authors (1)

Michael Bertolacci

Author, Maintainer, Copyright holder

Michael Bertolacci

Author, Maintainer, Copyright holder

Package Timeline

4 releases. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
0.0.4Latest
2025-09-02 · current release · diff ↗
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
0.0.3
2023-06-19 · diff ↗
R
R 4.3.0 released · 2023-04-21
0.0.2
2022-09-13 · diff ↗
R
R 4.2.0 released · 2022-04-22
R
R 4.1.0 released · 2021-05-18
0.0.1
2020-08-10
R
R 4.0.0 released · 2020-04-24

Package metadata

First published: 2020-08-10
Total releases: 4 / 6 yrs
License: MIT + file LICENSE OSI
Download size: 132 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Report a problem with this page →