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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Fig. 7 | Journal of Wood Science

Fig. 7

From: Identification of Pinus species related to historic architecture in Korea using NIR chemometric approaches

Fig. 7

Histograms of class value computed by partial least squares discriminant analysis (PLS-DA) in the second derivative spectra based on wood block and tablet samples. a P. densiflora for. erecta and P. sylvestris grown in Russia in factor 5, b P. densiflora for. erecta and P. sylvestris grown in Germany in factor 6, c P. densiflora and P. sylvestris grown in Russia in factor 5, d P. densiflora and P. sylvestris grown in Germany in factor 5, e All P. densiflora and all P. sylvestris in factor 4

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