Number of channels: 4 Channel number Wavenumber (cm-1) Mean StDv RMSE Max(abs) 1 2548.401134 0.043249 0.127149 0.134303 0.633153 2 1454.379893 0.269704 0.191838 0.330972 1.401607 3 925.084143 -0.012602 0.048739 0.050341 0.217552 4 837.366378 -0.021482 0.048860 0.053374 0.253795