Table 2 Spatial interpolation error metrics for the monthly erosivity mapping using a combination of Geographically Weighted Principal Component Analysis (GWPCA)-Geographically Weighted Regression (GWR) from the calibration dataset (n = 1950 hourly and monthly stations) when applied to the test dataset (n = 836 hourly and monthly stations).
From: Identifying monthly rainfall erosivity patterns using hourly rainfall data across India
Months | Median PE | R2 | RMSE |
|---|---|---|---|
January | + 11.5 | 0.73 | 12 |
February | − 3.0 | 0.72 | 28 |
March | − 6.8 | 0.89 | 39 |
April | − 12.9 | 0.89 | 88 |
May | − 18 | 0.88 | 243 |
June | − 6.9 | 0.88 | 263 |
July | − 9.1 | 0.90 | 499 |
August | − 4.4 | 0.93 | 482 |
September | − 2.5 | 0.91 | 336 |
October | − 4.2 | 0.98 | 171 |
November | − 2.6 | 0.95 | 50 |
December | + 4.9 | 0.92 | 23 |
