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. 2021 Jan 18;9:13266–13285. doi: 10.1109/ACCESS.2021.3051929

TABLE 4. Numerical Validation of the LM Fitting Algorithm Using the Exponential Weight Function for Russia, Italy, and Brazil.

Country MAE NRMSE SMAPE MRAE Inline graphic
Russia 44215.39 0.21 1.22 0.58 0.947
Brazil 62419.17 0.277 1.12 0.34 0.995
Italy 9769.24 1.81 1.3 0.94 0.951