Table 15 The computational results of the recovered cases of COVID-19 of China.
From: A new grey quadratic polynomial model and its application in the COVID-19 in China
date | data | GM(1,1) | DGM(1,1) | NGM(1,1,k,c) | GVM(1,1) | PR(2) | GMQP(1,1) |
|---|---|---|---|---|---|---|---|
01/23/2020 | 34 | 34.0000 | 34.0000 | 34.0000 | 34.0000 | 103.0464 | 34.0000 |
01/24/2020 | 38 | 26.2967 | 26.5439 | 23.0438 | 13.5607 | 49.7041 | 44.3017 |
01/25/2020 | 49 | 35.8201 | 36.2471 | 32.2317 | 18.9614 | 17.6929 | 44.9811 |
01/26/2020 | 51 | 48.7923 | 49.4974 | 44.7177 | 26.5053 | 7.0126 | 51.2829 |
01/27/2020 | 60 | 66.4624 | 67.5913 | 61.6854 | 37.0357 | 17.6635 | 64.8046 |
01/28/2020 | 103 | 90.5316 | 92.2996 | 84.7437 | 51.7208 | 49.6453 | 87.5974 |
01/29/2020 | 124 | 123.3176 | 126.0400 | 116.0788 | 72.1723 | 102.9582 | 122.2954 |
01/30/2020 | 171 | 167.9769 | 172.1143 | 158.6615 | 100.6009 | 177.6022 | 172.2811 |
01/31/2020 | 243 | 228.8096 | 235.0313 | 216.5292 | 140.0143 | 273.5772 | 241.8978 |
02/01/2020 | 328 | 311.6728 | 320.9477 | 295.1684 | 194.4569 | 390.8832 | 336.7231 |
02/02/2020 | 475 | 424.5448 | 438.2711 | 402.0350 | 269.2765 | 529.5203 | 463.9190 |
02/03/2020 | 632 | 578.2933 | 598.4826 | 547.2611 | 371.3702 | 689.4885 | 632.6827 |
02/04/2020 | 892 | 787.7216 | 817.2598 | 744.6160 | 509.3095 | 870.7876 | 854.8239 |
02/05/2020 | 1153 | 1072.9942 | 1116.0117 | 1012.8110 | 693.1414 | 1073.4179 | 1145.5082 |
02/06/2020 | 1540 | 1461.5780 | 1523.9734 | 1377.2742 | 933.5335 | 1297.3791 | 1524.2097 |
02/07/2020 | 2050 | 1990.8871 | 2081.0667 | 1872.5608 | 1239.7818 | 1542.6714 | 2015.9351 |
02/08/2021 | 2649 | 2711.8848 | 2841.8073 | 2545.6297 | 1616.1719 | 1809.2948 | 2652.7965 |