Table 2 Mean Error (ME, unit: mm), Mean absolute error (MAE, unit: mm), root mean square error (RMSE, unit: mm) and Relative RMSE (RRMSE, unit: %) of daily and monthly precipitation interpolation surfaces through cross-validation.

From: Long-term spatio-temporal precipitation variations in China with precipitation surface interpolated by ANUSPLIN

  

Annual

Dry

Wet

Spring

Summer

Autumn

Winter

ME (unit: mm)

Daily data set

−0.48

−0.17

−0.79

−0.40

−1.07

−0.36

−0.09

Monthly data set

−2.09

−1.09

−3.09

−1.88

−3.82

−1.93

−0.73

RMSE (unit: mm)

Daily data set

4.30

1.75

6.81

3.88

8.66

3.59

1.01

Monthly data set

31.17

14.23

48.12

28.06

59.57

28.09

8.97

MAE (unit: mm)

Daily data set

1.45

0.54

2.35

1.26

3.15

1.07

0.30

Monthly data set

18.48

7.51

29.45

15.74

38.07

15.57

4.55

RRMSE (unit: %)

Daily data set

6.76%

6.30%

7.21%

6.60%

7.39%

6.67%

6.37%

Monthly data set

8.21%

8.28%

8.13%

7.60%

8.63%

8.07%

8.52%

Back to article page