Research Article
Competition Equilibrium Analysis of China’s Luxury Car Market Based on Three-Dimensional Grey Lotka–Volterra Model
Table 3
Grey transformation data of Audi car sales.
| Year-month | X(0) (k) | X(S) (k) | X(1) (k) | X(CG) (k) | ARMA | Year-month | X(0) (k) | X(S) (k) | X(1) (k) | X(CG) (k) | ARMA |
| 2016-1 | 55285 | | | | | | | | | | | 2016-2 | 32994 | | 41006 | | 54906 | 2018-8 | 55781 | 45431 | 49093 | 50102 | 38383 | 2016-3 | 49537 | 45939 | 41253 | 45576 | 32627 | 2018-9 | 61015 | 51850 | 49388 | 54084 | 55401 | 2016-4 | 47440 | 43324 | 41501 | 44088 | 49161 | 2018-10 | 46988 | 54595 | 49685 | 50423 | 60632 | 2016-5 | 46644 | 47874 | 41751 | 45423 | 47065 | 2018-11 | 51842 | 53282 | 49984 | 51703 | 46613 | 2016-6 | 44011 | 46032 | 42002 | 44015 | 46269 | 2018-12 | 52881 | 50570 | 50285 | 51245 | 51465 | 2016-7 | 43746 | 44800 | 42255 | 43600 | 43638 | 2019-1 | 50987 | 51903 | 50588 | 51159 | 52503 | 2016-8 | 45512 | 44423 | 42509 | 44148 | 43373 | 2019-2 | 30295 | 44721 | 50892 | 41969 | 50610 | 2016-9 | 46075 | 45111 | 42765 | 44650 | 45138 | 2019-3 | 48821 | 43368 | 51198 | 47796 | 29930 | 2016-10 | 43193 | 44927 | 43022 | 43714 | 45701 | 2019-4 | 40334 | 39817 | 51506 | 43886 | 48445 | 2016-11 | 54789 | 48019 | 43281 | 48696 | 42820 | 2019-5 | 37320 | 42158 | 51816 | 43765 | 39963 | 2016-12 | 27063 | 41682 | 43542 | 37429 | 54410 | 2019-6 | 50666 | 42773 | 52128 | 48522 | 36951 | 2017-1 | 51069 | 44307 | 43804 | 46393 | 26699 | 2019-7 | 53808 | 47265 | 52442 | 51171 | 50289 | 2017-2 | 28694 | 35609 | 44067 | 36123 | 50692 | 2019-8 | 55166 | 53213 | 52757 | 53712 | 53429 | 2017-3 | 41506 | 40423 | 44333 | 42087 | 28329 | 2019-9 | 62283 | 57086 | 53075 | 57481 | 54787 | 2017-4 | 42444 | 37548 | 44599 | 41530 | 41134 | 2019-10 | 63301 | 60250 | 53394 | 58982 | 61900 | 2017-5 | 44406 | 42785 | 44868 | 44020 | 42072 | 2019-11 | 65684 | 63756 | 53715 | 61052 | 62917 | 2017-6 | 43717 | 43522 | 45138 | 44126 | 44033 | 2019-12 | 60546 | 63177 | 54039 | 59254 | 65299 | 2017-7 | 48232 | 45452 | 45409 | 46364 | 43344 | 2020-1 | 53888 | 60039 | 54364 | 56097 | 60164 | 2017-8 | 52377 | 48109 | 45683 | 48723 | 47857 | 2020-2 | 8105 | 40846 | 54691 | 34547 | 53509 | 2017-9 | 59382 | 53330 | 45957 | 52890 | 51999 | 2020-3 | 34753 | 32249 | 55020 | 40674 | 7752 | 2017-10 | 51994 | 54584 | 46234 | 50937 | 59000 | 2020-4 | 55626 | 32828 | 55351 | 47935 | 34385 | 2017-11 | 57294 | 56223 | 46512 | 53343 | 51616 | 2020-5 | 56473 | 48951 | 55684 | 53703 | 55246 | 2017-12 | 30889 | 46726 | 46792 | 41469 | 56914 | 2020-6 | 56588 | 56229 | 56019 | 56279 | 56093 | 2018-1 | 62741 | 50308 | 47074 | 53374 | 30523 | 2020-7 | 58893 | 57318 | 56356 | 57522 | 56208 | 2018-2 | 32883 | 42171 | 47357 | 40804 | 62357 | 2020-8 | 60629 | 58703 | 56695 | 58676 | 58512 | 2018-3 | 53557 | 49727 | 47642 | 50309 | 32516 | 2020-9 | 72298 | 63940 | 57037 | 64425 | 60247 | 2018-4 | 46422 | 44287 | 47929 | 46213 | 53179 | 2020-10 | 63998 | 65642 | 57380 | 62340 | 71909 | 2018-5 | 45402 | 48460 | 48217 | 47360 | 46048 | 2020-11 | 66756 | 67684 | 57725 | 64055 | 63614 | 2018-6 | 41759 | 44528 | 48507 | 44931 | 45028 | 2020-12 | 50301 | 60352 | 58072 | 56242 | 66370 | 2018-7 | 38753 | 41971 | 48799 | 43174 | 41387 | 2021-1 | 80008 | 65688 | 58422 | 68039 | 49924 |
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