Table 3: Ranking of the evaluated One variable correlation radio refractivity models for osogbo based on the statistical tests.

Models R2 MBE RMSE MPE NSE IA Total
Eqn.16a 4 4 4 4 4 4 24
Eqn.16b 3 3 3 2 3 3 17
Eqn.16c 1 2 1 1 1 1 7
Eqn.16d 2 1 2 3 2 2 12