Matthias Pucher and Daniel Graeber developed a package for Parafac analyses of DOM spectroscopic data in R.

Pucher M, Wünsch U, Weigelhofer G, Murphy K, Hein T, Graeber D (2019 staRdom: Versatile Software for Analyzing Spectroscopic Data of Dissolved Organic Matter in R. Water 2019, 11, 2366; doi:10.3390/w11112366