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units  

Measurement Units for R Vectors
View on CRAN: Click here


Download and install units package within the R console
Install from CRAN:
install.packages("units")

Install from Github:
library("remotes")
install_github("cran/units")

Install by package version:
library("remotes")
install_version("units", "1.0-0")



Attach the package and use:
library("units")
Maintained by
Edzer Pebesma
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2016-06-09
Latest Update: 2025-03-11
Description:
Support for measurement units in R vectors, matrices and arrays: automatic propagation, conversion, derivation and simplification of units; raising errors in case of unit incompatibility. Compatible with the POSIXct, Date and difftime classes. Uses the UNIDATA udunits library and unit database for unit compatibility checking and conversion. Documentation about 'units' is provided in the paper by Pebesma, Mailund & Hiebert (2016, <doi:10.32614/RJ-2016-061>), included in this package as a vignette; see 'citation("units")' for details.
How to cite:
Edzer Pebesma (2016). units: Measurement Units for R Vectors. R package version 1.0-0, https://cran.r-project.org/web/packages/units. Accessed 05 Jun. 2026.
Previous versions and publish date:
0.1 (2016-06-09 15:19), 0.2 (2016-06-20 07:55), 0.3 (2016-09-17 00:38), 0.4-1 (2016-12-09 13:13), 0.4-2 (2017-01-13 15:40), 0.4-3 (2017-03-25 12:11), 0.4-4 (2017-04-21 01:40), 0.4-5 (2017-06-15 02:08), 0.4-6 (2017-08-27 18:21), 0.4 (2016-11-21 12:02), 0.5-0 (2018-01-07 23:53), 0.5-1 (2018-01-08 15:03), 0.6-0 (2018-06-09 21:52), 0.6-1 (2018-09-21 23:40), 0.6-2 (2018-12-05 11:00), 0.6-3 (2019-05-03 23:50), 0.6-4 (2019-08-22 08:30), 0.6-5 (2019-10-08 13:40), 0.6-6 (2020-03-16 18:30), 0.6-7 (2020-06-13 17:30), 0.7-0 (2021-02-25 10:30), 0.7-1 (2021-03-16 14:40), 0.7-2 (2021-06-08 17:00), 0.8-0 (2022-02-05 01:50), 0.8-1 (2022-12-10 16:10), 0.8-2 (2023-04-27 18:40), 0.8-3 (2023-08-11 01:10), 0.8-4 (2023-09-13 19:10), 0.8-5 (2023-11-28 17:10), 0.8-6 (2025-03-08 01:40), 0.8-7 (2025-03-12 00:40), 1.0-0 (2025-10-09 12:40)
Other packages that cited units R package
View units citation profile
Other R packages that units depends, imports, suggests or enhances
Complete documentation for units
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