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Table 2 The sample codes for tobacco leaves of eight categories

From: Auto-classification of biomass through characterization of their pyrolysis behaviors using thermogravimetric analysis with support vector machine algorithm: case study for tobacco

Categories Typea,b Sample code
Training set Validation set Testing set
1 FJ-B 1–3, 6, 7 4 5
2 FJ-X 8–10   
3 FJ-C1 11, 13–18, 20 19 12
4 FJ-C2 21, 22, 24–27, 29, 30, 32, 33, 35 23, 28, 31, 34
5 YN-B 36–39, 42–44 41 40
6 YN-X 46, 48–50 47 45
7 YN-C1 53–56, 58–61, 63, 64 51, 52 57, 62
8 YN-C2 65–68, 70, 72, 74, 76, 77, 81–87 78, 79, 80, 88 69, 71, 73, 75
  1. aFJ represents Fujian province and YN represents Yunnan province
  2. bB, X, and C correspond to the upper, lower, and middle portions of tobacco stalk, respectively