Number of channels: 4 Channel number Wavenumber (cm-1) Mean StDv RMSE Max(abs) 1 2702.235990 0.015005 0.060624 0.062454 0.518587 2 1460.544610 0.543254 0.289948 0.615788 2.160726 3 928.986340 -0.016968 0.049047 0.051899 0.213956 4 833.960350 -0.017905 0.048775 0.051958 0.246639