1. RpeakChrom::col
    Parameters data frame for columnar measurements.
  2. RpeakChrom::parameters_col_metoxi
    Parameters data frame for sulphadimetoxine columnar measurements.
  3. RpeakChrom::parameters_dead
    Parameters data frame for dead marker measurements.
  4. RpeakChrom::parameters_ext
    Parameters data frame for Kbr extracolumnar measurements.
  5. RpeakChrom::peak
    Peak read using readChrom function.