Table 12 The computational results of the death 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) |
|---|---|---|---|---|---|---|---|
01/22/2020 | 9 | 9.0000 | 9.0000 | 9.0000 | 9.0000 | 12.3393 | 9.0000 |
01/23/2020 | 17 | 43.3505 | 43.5237 | 3.5662 | 3.5938 | 16.2047 | 16.6241 |
01/24/2020 | 25 | 53.3413 | 53.5946 | 17.0303 | 5.0240 | 24.6676 | 26.1427 |
01/25/2020 | 41 | 65.6348 | 65.9958 | 32.4983 | 7.0185 | 37.7280 | 39.5647 |
01/26/2020 | 56 | 80.7615 | 81.2664 | 50.2685 | 9.7958 | 55.3860 | 57.0369 |
01/27/2020 | 80 | 99.3744 | 100.0706 | 70.6835 | 13.6544 | 77.6415 | 78.7117 |
01/28/2020 | 106 | 122.2770 | 123.2258 | 94.1369 | 18.9982 | 104.4945 | 104.7470 |
01/29/2020 | 132 | 150.4579 | 151.7389 | 121.0809 | 26.3669 | 135.9451 | 135.3069 |
01/30/2020 | 170 | 185.1336 | 186.8495 | 152.0351 | 36.4658 | 171.9931 | 170.5615 |
01/31/2020 | 213 | 227.8010 | 230.0844 | 187.5962 | 50.1892 | 212.6387 | 210.6874 |
02/01/2020 | 259 | 280.3017 | 283.3233 | 228.4500 | 68.6193 | 257.8819 | 255.8677 |
02/02/2020 | 304 | 344.9022 | 348.8812 | 275.3842 | 92.9689 | 307.7225 | 306.2925 |
02/03/2020 | 361 | 424.3911 | 429.6083 | 329.3037 | 124.4206 | 362.1607 | 362.1591 |
02/04/2020 | 425 | 522.1995 | 529.0149 | 391.2482 | 163.8024 | 421.1964 | 423.6721 |
02/05/2020 | 490 | 642.5497 | 651.4229 | 462.4120 | 211.0520 | 484.8297 | 491.0438 |
02/06/2020 | 563 | 790.6366 | 802.1549 | 544.1674 | 264.5072 | 553.0604 | 564.4946 |
02/07/2020 | 636 | 972.8529 | 987.7645 | 638.0906 | 320.2373 | 625.8887 | 644.2531 |