Number of channels: 4 Channel number Wavenumber (cm-1) Mean StDv RMSE Max(abs) 1 2553.921158 0.019433 0.065564 0.068383 0.365361 2 1486.078907 0.283730 0.193045 0.343175 1.515289 3 936.238978 -0.014224 0.049345 0.051354 0.222316 4 830.739753 -0.018729 0.048985 0.052443 0.255703