Table 1 Best RF model accuracy performances under train and test datasets.

From: Baseline high-resolution maps of soil nutrients in Morocco to support sustainable agriculture

Data

R2

LCCC

RMSE (ppm)

MAE (ppm)

RPIQ

Train_K2O

0.95

0.97

34

23

4.96

Test_K2O

0.80

0.88

67

50

2.48

Train_P2O5

0.95

0.97

17

10

3.84

Test_P2O5

0.78

0.87

35

22

1.90

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