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

TABLE 3. Russia: Numerical Validation of the LM Fitting Algorithm Using the Different Weight Functions.

Weight Function MAE NRMSE SMAPE MRAE Inline graphic
Piecewise 89476.19 0.78 3.13 1.12 0.862
Linear 68215.24 0.43 2.98 0.86 0.903
Exponential 44215.39 0.21 1.22 0.58 0.947