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Table 3 Training Set and Validation Set of the Epidemic Trends in the Major Epidemic Areas

From: The prediction for development of COVID-19 in global major epidemic areas through empirical trends in China by utilizing state transition matrix model

Countries

South Korea

Italy

Iran

 

Actual

Forecast

Actual

Forecast

Actual

Forecast

Date

 

S1

S2

S3

 

S1

S2

S3

 

S1

S2

S3

2020/3/5

5766

5766

5766

5766

3089

3089

3089

3089

2922

2922

2922

2922

2020/3/6

6284

6199

6221

6239

3858

3794

3844

3852

3513

3613

3678

3687

2020/3/7

6767

6612

6683

6741

4636

4609

4795

4830

4747

4396

4630

4672

2020/3/8

7134

6990

7142

7268

5883

5515

5965

6064

5823

5250

5806

5921

2020/3/9

7382

7323

7589

7811

7375

6485

7374

7598

6566

6147

7224

7480

  1. S1: optimistic scenario; S2: cautiously optimistic scenario; S3: relatively pessimistic scenario; Inc.: increment