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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