R Observatory: Metrics for MatrixExtra version 0.1.15

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

MatrixExtra

0.1.15Package record

Extra Methods for Sparse Matrices

4packages dependsuggested by 4

201.8Kdownloads / year

70.0%test coverage

13/13flavors OK

Overview

About

Maintained by David CortesCRAN page ↗GitHub ↗Issues ↗

Extends sparse matrix and vector classes from the 'Matrix' package by providing: (a) Methods and operators that work natively on CSR formats (compressed sparse row, a.k.a. 'RsparseMatrix') such as slicing/sub-setting, assignment, rbind(), mathematical operators for CSR and COO such as addition ("+") or sqrt(), and methods such as diag(); (b) Multi-threaded matrix multiplication and cross-product for many <sparse, dense> types, including the 'float32' type from 'float'; (c) Coercion methods between pairs of classes which are not present in 'Matrix', such as 'dgCMatrix' -> 'ngRMatrix', as well as convenience conversion functions; (d) Utility functions for sparse matrices such as sorting the indices or removing zero-valued entries; (e) Fast transposes that work by outputting in the opposite storage format; (f) Faster replacements for many 'Matrix' methods for all sparse types, such as slicing and elementwise multiplication. (g) Convenience functions for sparse objects, such as 'mapSparse' or a shorter 'show' method.

Install

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

install.packages("MatrixExtra", 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("david-cortes/MatrixExtra")

Development version from david-cortes/MatrixExtra. 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-matrixextra

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled. We list this channel from recorded r2u download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

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

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-MatrixExtra

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# 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-MatrixExtra

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed). We list this channel from recorded autoCRAN download activity rather than from a live index of the repository, so treat it as last known rather than guaranteed.

Health

CRAN checks

13OK

CRAN check page ↗

Slowest check: 6.9 min · r-oldrel-windows-x86_64

Status changes

OK13 OK2026-09-08
ERROR12 OK, 1 ERROR2026-09-07
OK13 OK2026-08-05
NOTE12 OK, 1 NOTE2026-08-01
OK12 OK2026-04-25

Show 3 earlier changesHide 3 earlier changes

NOTE12 OK, 2 NOTE2026-04-22
ERROR11 OK, 2 NOTE, 1 ERROR2026-04-18
NOTE12 OK, 2 NOTE2026-03-10

Advisories

none known

How this is measured·How advisories are found

Documentation

In release 0.1.15

README· In the repository, left out of the releaseVignettesYes · 1 · dynamicNEWSNoCitation fileNoWebsitenot declared in DESCRIPTION

Help pages: 21includes a package overview page
Examples that run: 100%14 run in a plain check
Exported functions with examples: 55%
Documented parameters: 100%
Return-value docs: 100%
Help pages citing references: 0%

Vignettes (1)

Introducing_MatrixExtra HTML

How these are measured

Downloads

201.8K

CRAN downloads in the past year

Rank #1,642 · ~553/day · ~16.8K/mo

Releases R versions

Daily download trend is not available in this view yet.

4.2K30 days

13.6K90 days

201.8K1 year

Compare downloads with other packages →

Also on924 r2u5 autocran3.9K conda_forge120 c2d4u

How downloads are counted

Repository

david-cortes/matrixextra ↗Account: david-cortes

23Stars

4Forks

2Open issues

0Open PRs

0Releases

109Commits

4Commit identities

sparse-matrixcsrr

License file reads as GPL-3.0 · 109 commits · Last activity 2026-06-15 · 0% stars, 30d

Responsiveness

How these are sampled

PRs merged (all time): 100%
Median days to close, 50 most recently updated closed issues: 0
Median days to close, 50 most recently updated closed PRs: 0

Stars over time

2025-05-28 · 232026-07-07 · 23

How these are measured

PracticesBeta

2 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/david-cortes/matrixextra on 2026-10-11.

Lint, format, editor (1)

RStudio project

Git structural (1)

Submodules

How this is detected·Detection ruleset v3 (2026-09-26)

Dependencies

Declared dependencies

8 external dependencies (excludes base and recommended)

Installing MatrixExtra adds 3 packages (3 with compiled code, 3.1 MB of source tarballs). Heaviest: Rcpp 1.8 MB, float 1.3 MB, RhpcBLASctl 41 KB.

Depends (2)

Matrixmethods

Imports (3)

Rcpp RhpcBLASctl float

LinkingTo (1)

Rcpp

Suggests (4)

testthat data.table knitr rmarkdown

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

4direct

22indirect

Depends 1 · Imports 3

Suggested by 4

Depends, Imports or LinkingTo, most downloaded first

rsparse CareDensity recometrics PlotNormTest

Suggests, most downloaded first

cmfrec readsparse RcppBlaze rpc

How these are counted

Code & Tests

People & History

People (6)

David Cortes

Robert Gentleman

Copyright holder · added in 0.1.10

Copyright holder of mathematical functions used by base R which were copied

Thibaut Goetghebuer-Planchon

Copyright holder · added in 0.1.6

Copyright holder of included robinmap library

Ross Ihaka

Copyright holder · added in 0.1.10

Copyright holder of mathematical functions used by base R which were copied

Martin Maechler

Copyright holder · added in 0.1.8

Copyright holder of 'Matrix' package from which some code was taken

Dmitry Selivanov

Copyright holder

Releases (14)

Pick two releases to compare their code metrics.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
R
R 4.4.0 released · 2024-04-24
0.1.15Latest
record
2024-01-22 · current release · diff ↗
0.1.14
record
2023-08-20 · diff ↗
R
R 4.3.0 released · 2023-04-21
0.1.13
record
2022-09-07 · diff ↗
0.1.12
record
2022-08-16 · diff ↗
0.1.11
record
2022-08-06 · diff ↗
0.1.10
record
2022-05-15 · diff ↗
R
R 4.2.0 released · 2022-04-22
0.1.9-1
record
2021-12-19 · diff ↗
0.1.9
record
2021-12-15 · diff ↗
0.1.8
record
2021-10-29 · diff ↗
0.1.7
record
2021-09-26 · diff ↗
0.1.6
record
2021-07-26 · diff ↗ ·
added 3 exports
emptySparse, filterSparse, mapSparse

Show 5 earlier eventsHide 5 earlier events

0.1.5
record
2021-06-22 · diff ↗
0.1.4
record
2021-05-18 · diff ↗
R
R 4.1.0 released · 2021-05-18
0.1.2
record
2021-05-13
R
R 4.0.0 released · 2020-04-24

Package metadata

First published: 2021-05-13
Total releases: 14 / 5 yrs
License: GPL (>= 2) OSI
Download size: 208 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("MatrixExtra")

Format

Cortes, D., Gentleman, R., Goetghebuer-Planchon, T., Ihaka, R., Maechler, M., & Selivanov, D. (2024). MatrixExtra: Extra Methods for Sparse Matrices (Version 0.1.15) [Computer software]. https://doi.org/10.32614/CRAN.package.MatrixExtra

This package has no citation file, so citation() returns this entry built from DESCRIPTION.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for MatrixExtra version 0.1.15 [Data set]. HJJB, LLC. Data release v2026-10-18. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-18, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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