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Official Journal of the Japan Wood Research Society

Table 4 Prediction accuracy of RF and KNN models for Phoebe zhennan samples based on their GC–MS full-spectrum data

From: Geographical origin classification of Phoebe zhennan and Phoebe bournei by solid phase micro-extraction and gas chromatography-mass spectrometry

Geographical origins

RF

KNN

Training set

Test set

Training set

Test set

Hubei

100 (15/15)

100 (7/7)

100 (15/15)

100 (7/7)

Sichuan

100 (29/29)

100 (13/13)

100 (29/29)

100 (13/13)

Yunnan

71 (10/14)

50 (3/6)

57 (8/14)

50 (3/6)

Guizhou

88 (28/32)

79 (11/14)

81 (26/32)

79 (11/14)

  1. The number of correct/total classifications appears in parentheses (in percent)