lorentz

1.1-3

The Lorentz Transformation in Relativistic Physics

1packages depend

3.1Kdownloads / year

90.4%test coverage

12/13checks pass

Overview

About

Maintained by Robin K. S. HankinFirst published 2018-10-087 releasesCRAN page ↗GitHub ↗

The Lorentz transformation in special relativity; also the gyrogroup structure of three-velocities. Performs active and passive transformations and has the ability to use units in which the speed of light is not unity. Includes some experimental functionality for celerity and rapidity. For general relativity, see the 'schwarzschild' package.

Install

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

install.packages("lorentz", 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("RobinHankin/lorentz")

Development version from RobinHankin/lorentz. 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-lorentz

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-lorentz

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

Health

CRAN checks

1NOTE12OK

Failing flavors

NOTE r-devel-linux-x86_64-debian-clang

Slowest check: 2.1 min · r-release-macos-x86_64

Code health

Yes

Tests · ratio 0.19

90.4%

Coverage · measured lines

Dependencies · direct

Check history

NOTE2026-07-11
12 OK · 1 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
OK2026-06-27
13 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE
WARNING2026-06-14
12 OK · 0 NOTE · 1 WARNING · 0 ERROR · 0 FAILURE
OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 410 wordsVignettesYes · dynamicpkgdown siteNoNEWSYes · 67% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: not tracked
Return-value docs: not tracked
References docs: 13%

Downloads

3.1K

CRAN downloads in the past year

Rank #13,596 · ~9/day · ~261/mo

Releases R versions

Daily download trend is not available in this view yet.

28730 days

77890 days

3.1K1 year

Compare downloads with other packages →

Also on91 r2u43 autocran

Repository

GitHub ↗ robinhankin/lorentz

4Stars

1Forks

10Open issues

0Open PRs

1Releases

628Commits

3Contributors

License GPL-3.0 · 628 commits · Last activity 2026-07-20

Stars over time

2024-04-04 · 42026-07-07 · 4

Repository practices

Upstream repositoryBeta

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

Checks run against github.com/robinhankin/lorentz on 2026-07-19.

Continuous integration (1)

GitHub Actions

Docs source (1)

README.Rmd

Lint, format, editor (1)

RStudio project

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

Dependencies

Declared dependencies

8 external dependencies (excludes base and recommended)

Depends (1)

R >= 4.1.0

Imports (4)

quadform tensor magic magrittr

LinkingTo (0)

none

Suggests (4)

knitr testthat rmarkdown covr

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

1direct

0indirect

clifford

Code & Tests

People & History

People (1)

Maintainer (1)

Robin K. S. Hankin

Author, Maintainer

Authors (1)

Robin K. S. Hankin

Author, Maintainer

Listed in earlier versions (1)

Hankin

no longer listed · 1.0-2 to 1.1-3

Package Timeline

7 releases. Pick two to compare their code metrics. R releases are shown for context.

1.1-3Latest
2026-07-20 · current release · diff ↗
R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
1.1-2
2025-01-23 · diff ↗
R
R 4.4.0 released · 2024-04-24
1.1-1
2024-04-02 · 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
1.0-5
2020-09-24 · diff ↗
R
R 4.0.0 released · 2020-04-24
R
R 3.6.0 released · 2019-04-26
1.0-2
2019-03-21 · diff ↗
1.0-1
2019-01-24 · diff ↗
1.0-0
2018-10-08
R
R 3.5.0 released · 2018-04-23

Package metadata

First published: 2018-10-08
Total releases: 7 / 8 yrs
License: GPL-3 OSI
Minimum R: ≥ 4.1.0
Download size: 441 KB
Installed size: not tracked yet
With dependencies: not tracked yet

Appears in task views

Chemometrics and Computational Physics

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