This function allows to manually specify either excitation or emission vector of wavelengths in EEMs. This function is mostly used with spectrophotometers such as Shimadzu that do not include excitation wavelengths in fluorescence files.
Examples
folder <- system.file("extdata/shimadzu", package = "eemR")
eem <- eem_read(folder, import_function = "shimadzu")
eem <- eem_set_wavelengths(eem, ex = seq(230, 450, by = 5))
plot(eem)