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. 2021 May 21;16(5):e0252147. doi: 10.1371/journal.pone.0252147

Table 3. Summary of the MAPE results for 187 countries and at the aggregated level of the world.

Weeks Ahead Statistic Forecasting Method
ARIMA ETS RWF With Drift RWF Without Drift
1 Min. 0.11 0.10 1.46 0.08
Max. 7.83 8.34 10.98 12.47
Average 2.24 2.37 4.60 5.69
St. Dev. 1.35 1.41 1.59 2.21
2 Min. 0.24 0.21 2.44 0.14
Max. 11.81 13.44 18.5 21.01
Average 3.96 4.18 7.89 9.80
St. Dev. 2.07 2.24 2.61 3.72
3 Min. 0.37 0.34 3.23 0.16
Max. 16.01 17.45 24.69 27.93
Average 5.78 6.06 10.84 13.38
St. Dev. 2.75 2.98 3.49 5.03
4 Min. 0.52 0.48 3.94 0.18
Max. 20.01 20.55 29.79 33.62
Average 7.65 7.97 13.54 16.58
St. Dev. 3.42 3.69 4.29 6.20