Table 2.
Performance of the selected 3-15-1 network and Kriging interpolation of observed points at 50 cm, 100 cm, 140 cm, 215 cm and 290 cm from the floor. MAE, mean after all errors made positive and RMSE, square root of mean squared predicted electromagnetic power minus observed electromagnetic power.
| Data set | Interpolation method | RMSE (dB) | MAE (dB) |
|---|---|---|---|
| 50 cm height | ANN | 1.48 | 1.13 |
| Kriging | 1.02 | 0.78 | |
|
| |||
| 100 cm height | ANN | 1.51 | 1.16 |
| Kriging | 1.04 | 0.80 | |
|
| |||
| 140 cm height | ANN | 1.52 | 1.17 |
| Kriging | 1.05 | 0.81 | |
|
| |||
| 215 cm height | ANN | 1.55 | 1.22 |
| Kriging | 1.07 | 0.85 | |
|
| |||
| 290 cm height | ANN | 1.56 | 1.24 |
| Kriging | 1.08 | 0.87 | |