Table 7 RMS vector field differences i,j R in units nT/yr between SV-2015-2020 candidate models and also between these and the mean model M and the median model M med. The final row labelled “Mean Diff” is the mean \({~}_{i}\!\,\overline {R}\) of the i,j R for each candidate or mean model
From: Evaluation of candidate geomagnetic field models for IGRF-12
i,j R in nT/yr | A | B | C | D | E | F | G | H | I | M | M med |
|---|---|---|---|---|---|---|---|---|---|---|---|
A | 0.0 | 9.7 | 14.2 | 16.6 | 11.0 | 10.9 | 11.6 | 10.7 | 14.1 | 8.4 | 8.8 |
B | 9.7 | 0.0 | 9.0 | 13.7 | 5.2 | 6.4 | 12.2 | 9.9 | 10.4 | 4.2 | 3.4 |
C | 14.2 | 9.0 | 0.0 | 15.6 | 8.9 | 10.1 | 19.0 | 12.3 | 13.3 | 9.3 | 8.4 |
D | 16.6 | 13.7 | 15.6 | 0.0 | 14.1 | 12.1 | 20.0 | 15.0 | 12.3 | 11.6 | 12.3 |
E | 11.0 | 5.2 | 8.9 | 14.1 | 0.0 | 7.5 | 13.6 | 10.8 | 11.3 | 5.6 | 4.8 |
F | 10.9 | 6.4 | 10.1 | 12.1 | 7.5 | 0.0 | 14.1 | 9.1 | 10.7 | 5.1 | 5.2 |
G | 11.6 | 12.2 | 19.0 | 20.0 | 13.6 | 14.1 | 0.0 | 14.4 | 15.6 | 11.8 | 12.1 |
H | 10.7 | 9.9 | 12.3 | 15.0 | 10.8 | 9.1 | 14.4 | 0.0 | 9.9 | 7.2 | 7.8 |
I | 14.1 | 10.4 | 13.3 | 12.3 | 11.3 | 10.7 | 15.6 | 9.9 | 0.0 | 8.1 | 8.9 |
Mean diff | 12.3 | 9.6 | 12.8 | 14.9 | 10.3 | 10.1 | 15.1 | 11.5 | 12.2 | 7.9 | 8.0 |