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Table 1 Fourteen ANN-based models to predict the COVID-19 outbreak

From: Application of artificial neural networks to predict the COVID-19 outbreak

Models

Equations

1st model

Ct = f1(Ct − 1)

2nd model

Ct = f2(Ct − 1, Ct − 2)

3th model

Ct = f3(Ct − 1, Ct − 2, Ct − 3)

4th model

Ct = f4(Ct − 1, Ct − 2, Ct − 3, Ct − 4)

5th model

Ct = f5(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5)

6th model

Ct = f6(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6)

7th model

Ct = f7(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7)

8th model

Ct = f8(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8)

9th model

Ct = f9(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9)

10th model

Ct = f10(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9, Ct − 10)

11th model

Ct = f11(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9, Ct − 10, Ct − 11)

12th model

Ct = f12(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9, Ct − 10, Ct − 11, Ct − 12)

13th model

Ct = f13(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9, Ct − 10, Ct − 11, Ct − 12, Ct − 13)

14th model

Ct = f14(Ct − 1, Ct − 2, Ct − 3, Ct − 4, Ct − 5, Ct − 6, Ct − 7, Ct − 8, Ct − 9, Ct − 10, Ct − 11, Ct − 12, Ct − 13, Ct − 14)