Table 3 Variables selected by random forest-recursive feature elimination (RFE) with tenfold cross-validation
Species | Indexes selected for RF |
|---|---|
Pine | “ME_NIR”, “EN_Red”, “ME_SWIR2”, “TCT_B”, “ME_SWIR1”, “SK_Red”, “TCT_W”, “EVI”, “SK_SWIR1”, “SK_SWIR2”, “ME_Red”, “VA_Red”, “SK_NIR”, “VA_SWIR1”, “EN_NIR”, “DR_SWIR2” “VA_NIR”, “EN_SWIR1”, “GRVI”, “GNDVI”, “TCT_G” |
Chinese fir | “ME_SWIR1”, “ME_NIR”, “ME_SWIR2”, “SK_SWIR2”, “TCT_B”, “SK_SWIR1”, “SK_NIR”, “ME_Red”, “EN_Red”, “DR_SWIR1” “SK_Red”, “VA_Red” |
Oak | “ME_NIR”, “ME_SWIR2”, “SK_SWIR2”, “ME_SWIR1”, “VA_SWIR1”, “TCT_B”, “ME_Red”, “SK_NIR”, “SK_SWIR1”, “TCT_W”, “EN_Red” “TCT_G”, “VA_Red”, “SK_Red”, “DR_SWIR1”, “EN_SWIR1” “EN_NIR”, “EN_SWIR2”, “VA_SWIR2”, “VA_NIR”, “DR_SWIR2”, “DR_NIR”, “EVI”, “DR_Red” |