Support for painless automatic units and uncertainty propagation in numerical
operations. Both units and errors are integrated into a complete
quantity calculus system within the R language. R vectors, matrices and arrays
automatically propagate those attributes when you operate with quantities
objects.
References
Edzer Pebesma, Thomas Mailund and James Hiebert (2016). Measurement Units in R. The R Journal, 8(2), 486--494. doi:10.32614/RJ-2016-061
Iñaki Ucar, Edzer Pebesma and Arturo Azcorra (2018). Measurement Errors in R. The R Journal, 10(2), 549--557. doi:10.32614/RJ-2018-075