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Table 3 Results of calibration and prediction models for discriminating mature bamboo and juvenile bamboo

From: Rapid determination of chemical composition and classification of bamboo fractions using visible–near infrared spectroscopy coupled with multivariate data analysis

Wavelength (nm) Sample sets Factors R 2 SEC/SEV Factors R 2 SEC/SEV
400–780 (n = 160) Calibration 10 0.96 0.10 10 0.96 0.10
Validation 0.94 0.12 0.94 0.12
780–2500 (n = 160) Calibration 7 0.98 0.08 7 0.98 0.08
Validation 0.96 0.09 0.96 0.09
400–2500 (n = 160) Calibration 9 0.98 0.07 9 0.98 0.07
Validation 0.97 0.09 0.97 0.09
  1. Three regions of wavelength were selected to establish models, and these spectra came from original data. The number of juvenile bamboo and mature bamboo samples were 60 and 100, respectively