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Table 6 Results of mature bamboo fractions predicted by identification models based on PLS-DA

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

Wavelength (nm) Fractions No. of prediction samples Correct no. Accuracy (%)
400–780 (n = 100) B 8 8 100
I 8 8 100
K 8 7 87.50
M 8 8 100
O 8 8 100
780–2500 (n = 100) B 8 8 100
I 8 8 100
K 8 8 100
M 8 8 100
O 8 8 100
400–2500 (n = 100) B 8 8 100
I 8 8 100
K 8 8 100
M 8 8 100
O 8 8 100
  1. Three regions of wavelength were selected to establish models, and these spectra came from original data. The number of sample sets was 100. (B bamboo branch, I bamboo yellow, K bamboo node, M bamboo timber, O bamboo green)