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Table 9 Regression error statistics for chlorophyll traits using RF (with SPA + FDR)

From: A hyperspectral deep learning attention model for predicting lettuce chlorophyll content

Number of test sets

RMSE ↓

NRMSE ↓

R2 ↑

1

2.249

0.1146

0.681

2

2.133

0.1128

0.702

3

2.098

0.1050

0.659

4

2.661

0.1414

0.494

5

2.567

0.1346

0.714

Average

2.342

0.1217

0.650