Graphic Yearbook 2014
Tab. 8 Parameters of SO2 maps
| Linear regression model + interpolation of residuals | 4th highest daily average | Annual average | Winter average | |||
| rural areas | urban background | rural areas | urban background | rural areas | urban background | |
| c (constant) | 17.6 | 12.9 | 5.1 | 3.0 | 4.1 | 3.1 |
| a1 (model SYMOS) | 1.81 | 2.71 | 0.44 | 0.82 | 0.65 | 1.03 |
| weight IDW | 1.4 | 2 | 1 | 1 | 1 | 1 |
| RMSE [µg.m-3] | 11.7 | 6.8 | 3.8 | 3.1 | 3.2 | 3.1 |
| relat. RMSE [%] | 45 | 28 | 53 | 47 | 44 | 42 |
