Measurement Units in R

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Authors Edzer Pebesma, Thomas Mailund, James Hiebert
Journal/Conference Name R Journal
Paper Category
Paper Abstract We briefly review SI units, and discuss R packages that deal with measurement units, their compatibility and conversion. Built upon udunits2 and the UNIDATA udunits library, we introduce the package units that provides a class for maintaining unit metadata. When used in expression, it automatically converts units, and simplifies units of results when possible; in case of incompatible units, errors are raised. The class flexibly allows expansion beyond predefined units. Using units may eliminate a whole class of potential scientific programming mistakes. We discuss the potential and limitations of computing with explicit units.
Date of publication 2016
Code Programming Language R
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