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Table 7 Regression error statistics for chlorophyll traits using RF (with SPA)

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

Number of test sets

RMSE ↓

NRMSE ↓

R2 ↑

1

2.194

0.1119

0.697

2

2.463

0.1303

0.603

3

2.310

0.1155

0.587

4

2.418

0.1284

0.583

5

2.837

0.1487

0.651

Average

2.444

0.1270

0.624