This package provides the 2014 version of the CODATA internationally recommended values of the fundamental physical constants for their use within the R language.
Mohr, P. J., Newell, D. B. and Taylor, B. N. (2016). CODATA recommended values of the fundamental physical constants: 2014. Rev. Mod. Phys., 88, 035009. 10.1103/RevModPhys.88.035009.
Mohr, P. J., Newell, D. B. and Taylor, B. N. (2016). CODATA recommended values of the fundamental physical constants: 2014. J. Phys. Chem. Ref. Data, 45, 043102. 10.1063/1.4954402.