Tools for Pre-Processing Emission-Excitation-Matrix (EEM) Fluorescence Data R package eemR version 1.0.2 Provides various tools for preprocessing Emission-Excitation-Matrix (EEM) for Parallel Factor Analysis (PARAFAC). Different methods are also provided to calculate common metrics such as humification index and fluorescence index. Software Depends: R (>= 3.2.1) Imports: stringr, dplyr, R.matlab, pracma, stats, rlist, viridis, purrr, assertthat Suggests: cdom, magrittr, testthat (>= 2.1.0), knitr, rmarkdown, ggplot2, plot3D, extrafont, tidyr, shiny, DT, MBA, here, covr Philippe Massicotte <pmassicotte@hotmail.com> Comprehensive R Archive Network (CRAN) Philippe Massicotte [aut, cre] GPL (>= 2) 2025-03-24 application/tgz https://CRAN.R-project.org/package=eemR doi:10.32614/CRAN.package.eemR