Research Article
An Improved Nonhomogeneous Grey Model with Fractional-Order Accumulation and Its Application
Table 5
The predicted values of original domain by employing the competing models in Case
2.
| Year | Data | NGM | FHGM | FDNGM | PR(3) | ONGM |
| 2001 | 274.30 | 274.30 | 284.70 | 274.30 | 274.65 | 274.30 | 2002 | 291.84 | 277.46 | 257.51 | 291.84 | 292.53 | 256.33 | 2003 | 339.08 | 338.03 | 324.11 | 334.30 | 334.02 | 322.79 | 2004 | 396.72 | 406.77 | 398.27 | 396.72 | 396.39 | 396.81 | 2005 | 467.63 | 484.77 | 480.87 | 476.36 | 476.94 | 479.23 | 2006 | 561.41 | 573.27 | 572.85 | 571.12 | 572.95 | 571.03 | 2007 | 705.23 | 673.70 | 675.29 | 679.23 | 681.71 | 673.27 | 2008 | 812.94 | 787.66 | 789.38 | 799.18 | 800.52 | 787.13 | 2009 | 895.20 | 916.98 | 916.44 | 929.63 | 926.65 | 913.93 | 2010 | 1069.41 | 1063.71 | 1057.94 | 1069.41 | 1057.40 | 1055.14 | 2011 | 1305.30 | 1230.22 | 1215.52 | 1217.48 | 1190.06 | 1212.41 | 2012 | 1463.00 | 1419.15 | 1391.02 | 1372.92 | 1321.91 | 1387.56 | 2013 | 1705.37 | 1633.55 | 1586.48 | 1534.92 | 1450.24 | 1582.61 | 2014 | 1868.94 | 1876.82 | 1804.14 | 1702.73 | 1572.35 | 1799.84 | 2015 | 1931.75 | 2152.87 | 2046.56 | 1875.73 | 1685.51 | 2041.77 | 2016 | 2078.06 | 2466.12 | 2316.53 | 2053.32 | 1787.02 | 2311.19 | 2017 | 2393.70 | 2821.56 | 2617.19 | 2235.00 | 1874.16 | 2611.25 |
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