Skip to content

madness

0.2.9Package record

Automatic Differentiation of Multivariate Operations

1packages depend
4.1Kdownloads / year
98.5%test coverage
13/13flavors OK

Overview

About

An object that supports automatic differentiation of matrix- and multidimensional-valued functions with respect to multidimensional independent variables. Automatic differentiation is via 'forward accumulation'.

Install

Health

CRAN checks
13OK
Slowest check: 3.3 min · r-release-macos-x86_64
Status changes
  • OK13 OK2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK13 OK2026-07-18
  • NOTE12 OK, 1 NOTE2026-07-12
  • OK14 OK2026-03-10
Advisories

none known

Documentation

In release 0.2.9
READMEYes · 1,189 wordsVignettesYes · 1 · dynamicNEWSNoCitation fileYes · computed when R runs itWebsitenot declared in DESCRIPTION
Help pages
34 (1 internal)includes a package overview page
Examples that run
100%16 run in a plain check
Exported functions with examples
89%
Documented parameters
96%
Return-value docs
100%
Help pages citing references
9%

Downloads

4.1K
CRAN downloads in the past year
Rank #7,167 · ~11/day · ~344/mo
Daily download trend is not available in this view yet.
47530 days
1.2K90 days
4.1K1 year
Compare downloads with other packages →
Also on100 r2u3 autocran31 c2d4u

Repository

31Stars
0Forks
12Open issues
0Open PRs
0Releases
153Commits
3Commit identities
License file reads as LGPL-3.0 · 153 commits · Last activity 2026-07-14 · 0% stars, 30d
Responsiveness
How these are sampled
PRs merged (all time)
100%
Median days to close, 50 most recently updated closed issues
15
Median days to close, 50 most recently updated closed PRs
0

Stars over time

2024-01-18 · 302026-07-07 · 31
PracticesBeta

8 development-tooling and community-health practices detected across 5 families in the upstream repository

Checks run against github.com/shabbychef/madness on 2026-10-21.

Continuous integration (2)
GitHub ActionsR CMD check workflow

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

Docs source (1)
README.Rmd
Coverage (1)
Coverage reporting
Reproducibility and dev environment (2)
data-raw/Makefile
Show all practicesHide 1 practice
Git structural (2)
.gitattributesSubmodules
How this is detected·Detection ruleset v4 (2026-10-20)

Dependencies

Declared dependencies
10 external dependencies (excludes base and recommended)

Installing madness adds 2 packages (1 with compiled code, 175 KB of source tarballs). Heaviest: expm 145 KB, matrixcalc 30 KB.

Depends (1)
R >= 3.2.0
Imports (4)
Matrixmatrixcalcexpmmethods
LinkingTo (0)
none
Enhances (0)
none
Reverse dependencies
1direct
1indirect
Imports 1
Depends, Imports or LinkingTo, most downloaded first

Datasets

People & History

People (1)
Author, Maintainer since 0.1.0 (2015)
Listed in earlier versions (1)
Steven E.
no longer listed · 0.1.0 to 0.2.9
Releases (11)

Pick two releases to compare their code metrics.

  • 0.2.9Latest
    record
    2026-07-14 · current release · diff ↗
  • 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
  • 0.2.8
    record
    2023-08-21 · diff ↗
  • R
    R 4.3.0 released · 2023-04-21
  • R
    R 4.2.0 released · 2022-04-22
  • R
    R 4.1.0 released · 2021-05-18
  • R
    R 4.0.0 released · 2020-04-24
  • 0.2.7
    record
    2020-02-08 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • 0.2.6
    record
    2019-04-19 · diff ↗
  • 0.2.5
    record
    2018-08-29 · diff ↗
  • 0.2.4
    record
    2018-08-27 · diff ↗
  • R
    R 3.5.0 released · 2018-04-23
  • unarchivedReturned to CRAN
    2018-02-16
Show 9 earlier eventsHide 9 earlier events
  • 0.2.3
    record
    2018-02-16 · diff ↗
  • archivedRemoved from CRAN
    2018-02-12
    check errors were not corrected despite reminders ATLAS, MKL, OpenBLAS
  • 0.2.2
    record
    2017-04-26 · diff ↗
  • R
    R 3.4.0 released · 2017-04-21
  • 0.2.1
    record
    2017-04-14 · diff ↗ ·
    added 1 export
    %o%
  • R
    R 3.3.0 released · 2016-05-03
  • 0.2.0
    record
    2016-01-20 · diff ↗ ·
    added 1 export
    to_objective
  • 0.1.0
    record
    2015-12-15
  • R
    R 3.2.0 released · 2015-04-16

Package metadata

First published
2015-12-15
Total releases
11 / 11 yrs
License
LGPL-3 OSI
Minimum R
≥ 3.2.0
Bundled data
74 KB / 2 files
Download size
720 KB

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("madness")

The package provides a citation file that builds its entry when R runs it. Run citation() to see it.

Cite the R Observatory

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

APA

Balamuta, J. J. (2026). R Observatory: Metrics for madness version 0.2.9 [Data set]. HJJB, LLC. Data release v2026-10-25. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-25, which the citation names so these numbers can be found later. More on citing and the projects behind them.

Report a problem with this page →

Privacy choices

These apply to this browser and are stored on this device only. Nothing about your choice is sent to us.

Read the privacy policy