Table 2 Linear interpolation map performance across different depth intervals.

From: Geospatial modeling of near subsurface temperatures of the contiguous United States for assessment of materials degradation

Depth (m)

Validation set size

RMSE

MAE

Points outside 1 degree (%)

Points outside 2 degrees (%)

Points outside 5 degrees (%)

Points outside 10 degrees (%)

100

381

11.18

4.62

56.69

43.04

19.69

12.07

200

153

13.92

6.86

71.90

60.78

36.60

21.57

300

91

14.32

7.60

75.82

57.14

41.76

13.19

1500

199

8.05

5.68

86.93

71.86

38.69

16.58

2500

175

17.76

13.62

92.00

88.57

73.14

53.71

3500

48

25.22

19.59

95.83

91.67

79.17

68.75