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Table 1 Summary of calibration and cross-validation statistics of mPLS models used for the prediction of biomass quality traits

From: Genetic complexity of miscanthus cell wall composition and biomass quality for biofuels

  Calibration Cross-validation
Constituent # Samples SECV # Samples Chemical analysis NIRS prediction r2 SEP
Mean Min Max Mean Min Max
NDF (g/kg dm) 510 8.08 162 880.36 799.98 928.23 880.62 814.19 923.73 0.94 6.15
ADF (g/kg dm) 512 10.54 162 552.73 478.13 632.17 553.35 488.74 629.97 0.85 9.39
ADL (g/kg dm) 491 9.63 162 66.09 40.71 112.18 66.42 43.19 105.86 0.85 8.04
KL (%ndf) 116 0.78 135 13.89 11.05 17.59 13.88 11.76 16.06 0.62 0.95
ARA (%ndf) 249 0.20 249 2.81 1.97 3.57 2.81 2.33 3.38 0.50 0.22
XYL (%ndf) 245 1.22 245 31.10 25.96 36.48 31.16 26.15 35.88 0.78 1.24
GLU (%ndf) 250 2.01 250 51.08 44.36 56.64 51.10 47.02 54.40 0.30 2.04
CC (%) 413 3.07 158 40.14 28.33 52.94 40.38 29.90 46.31 0.73 3.26
HC (%) 408 0.39 158 22.20 17.87 27.03 21.97 19.98 23.40 0.37 1.60
GC (%) 157 3.61 157 47.75 35.50 61.40 47.81 34.60 55.50 0.49 3.80
XC (%) 158 1.83 158 28.61 33.60 22.60 28.59 25.60 31.20 0.28 1.90
  1. SECV = standard error of cross-validation in the set of calibration samples, r 2 = coefficient of determination between biochemical data and NIRS predicted data; SEP = standard error of prediction