Research Article
Improving the Classification Accuracy for Near-Infrared Spectroscopy of Chinese Salvia miltiorrhiza Using Local Variable Selection
Table 1
Geographical origins and planting conditions of the Salvia miltiorrhiza observations.
| | Number of classes | Geographical origin | Planting condition | Number of samples |
| | Class 1 | Shandong, Li village | Wild (digging) | 14 | | Class 2 | Shandong, Shimen village | Cultivated for 1 year (digging) | Five | | Class 3 | Shandong, Shimen village | Cultivated for 2 years (digging) | 21 | | Class 4 | Shandong, Yishui | Wild (buy) | Five | | Class 5 | Shandong, Yishui | Cultivated (buy) | Five | | Class 6 | Henan, Lushi Mopanhe | Wild (digging) | Seven | | Class 7 | Henan, Lushi | Wild (buy) | Four | | Class 8 | Henan, Lingbao | Wild (digging) | Seven | | Class 9 | Henan, Lingbao | Cultivated (digging) | 10 | | Class 10 | Sichuan, Zhongjiang | Cultivated (buy, first level) | Four | | Class 11 | Sichuan, Zhongjiang | Cultivated (buy, second level) | Four | | Class 12 | Hebei, Anguo | Cultivated (digging) | Four | | Class 13 | Yunnan, Luxi | Wild (buy) | Four |
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