Table 1 Number of covariates and hyper-parameters for each depth model

From: Spatio-temporal mapping reveals changes in soil organic carbon stocks across the contiguous United States since 1955

Depth

Number of covariates

ntree

mtry

0–15 cm

23

200

4

15–30 cm

47

150

6

30–60 cm

54

200

7

60–100 cm

49

200

7

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